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Rotating front pinon on YJ
Hello Jeepers,
I'd like to correct the pinon angle on the Dana 30 in front of my '93 YJ. It has a 4" SUA lift and has some vibration while in 4 wheel drive. I don't want to use any degree shims and mess up the stering geometry. I'm thinking about drilling out the welds that hold the axle tubes in place, rotating the pumpkin to desired angle and weld the holes back in place. Would this be the easiest way to go about this? If so, what do I use to drill out the welds. Is there something better than colbalt drill bits and lots of cutting oil? Any tips or advice would be greatly appreciated. TIA, David |
Re: Rotating front pinon on YJ
David,
A small shim would probably not hurt your castor enough to cause a steering issue. I'm curious where you're using 4wd that you can feel a driveline vibe? I did a spring over on my 89 YJ, when I did the front I tipped the pinion up 2 degrees. Ended up with around 7" of lift when it was all said and done, no driveline vibes, no driveability problems. Carl <zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > |
Re: Rotating front pinon on YJ
David,
A small shim would probably not hurt your castor enough to cause a steering issue. I'm curious where you're using 4wd that you can feel a driveline vibe? I did a spring over on my 89 YJ, when I did the front I tipped the pinion up 2 degrees. Ended up with around 7" of lift when it was all said and done, no driveline vibes, no driveability problems. Carl <zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > |
Re: Rotating front pinon on YJ
David,
A small shim would probably not hurt your castor enough to cause a steering issue. I'm curious where you're using 4wd that you can feel a driveline vibe? I did a spring over on my 89 YJ, when I did the front I tipped the pinion up 2 degrees. Ended up with around 7" of lift when it was all said and done, no driveline vibes, no driveability problems. Carl <zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > |
Re: Rotating front pinon on YJ
David,
A small shim would probably not hurt your castor enough to cause a steering issue. I'm curious where you're using 4wd that you can feel a driveline vibe? I did a spring over on my 89 YJ, when I did the front I tipped the pinion up 2 degrees. Ended up with around 7" of lift when it was all said and done, no driveline vibes, no driveability problems. Carl <zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > |
Re: Rotating front pinon on YJ
Carl,
I'm moving too slow on the trail to notice any vibrations, but when I hit 4 hi on the snow covered streets, the vibrations make me cringe so bad that I don't even use the 4wd. I have a different Dana 30 that I'm switching in for better gearing and I thought while I had it on the ground it would be a good time to make any adjustments needed to correct the driveline angle. Thanks, David On Aug 19, 8:44 pm, "Carl S" <carlsai...@REMOVE.hotmail.com> wrote: > David, > > A small shim would probably not hurt your castor enough to cause a > steering issue. I'm curious where you're using 4wd that you can feel a > driveline vibe? > > I did a spring over on my 89 YJ, when I did the front I tipped the > pinion up 2 degrees. Ended up with around 7" of lift when it was all said > and done, no driveline vibes, no driveability problems. > > Carl > > <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David- Hide quoted text - > > - Show quoted text - |
Re: Rotating front pinon on YJ
Carl,
I'm moving too slow on the trail to notice any vibrations, but when I hit 4 hi on the snow covered streets, the vibrations make me cringe so bad that I don't even use the 4wd. I have a different Dana 30 that I'm switching in for better gearing and I thought while I had it on the ground it would be a good time to make any adjustments needed to correct the driveline angle. Thanks, David On Aug 19, 8:44 pm, "Carl S" <carlsai...@REMOVE.hotmail.com> wrote: > David, > > A small shim would probably not hurt your castor enough to cause a > steering issue. I'm curious where you're using 4wd that you can feel a > driveline vibe? > > I did a spring over on my 89 YJ, when I did the front I tipped the > pinion up 2 degrees. Ended up with around 7" of lift when it was all said > and done, no driveline vibes, no driveability problems. > > Carl > > <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David- Hide quoted text - > > - Show quoted text - |
Re: Rotating front pinon on YJ
Carl,
I'm moving too slow on the trail to notice any vibrations, but when I hit 4 hi on the snow covered streets, the vibrations make me cringe so bad that I don't even use the 4wd. I have a different Dana 30 that I'm switching in for better gearing and I thought while I had it on the ground it would be a good time to make any adjustments needed to correct the driveline angle. Thanks, David On Aug 19, 8:44 pm, "Carl S" <carlsai...@REMOVE.hotmail.com> wrote: > David, > > A small shim would probably not hurt your castor enough to cause a > steering issue. I'm curious where you're using 4wd that you can feel a > driveline vibe? > > I did a spring over on my 89 YJ, when I did the front I tipped the > pinion up 2 degrees. Ended up with around 7" of lift when it was all said > and done, no driveline vibes, no driveability problems. > > Carl > > <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David- Hide quoted text - > > - Show quoted text - |
Re: Rotating front pinon on YJ
Carl,
I'm moving too slow on the trail to notice any vibrations, but when I hit 4 hi on the snow covered streets, the vibrations make me cringe so bad that I don't even use the 4wd. I have a different Dana 30 that I'm switching in for better gearing and I thought while I had it on the ground it would be a good time to make any adjustments needed to correct the driveline angle. Thanks, David On Aug 19, 8:44 pm, "Carl S" <carlsai...@REMOVE.hotmail.com> wrote: > David, > > A small shim would probably not hurt your castor enough to cause a > steering issue. I'm curious where you're using 4wd that you can feel a > driveline vibe? > > I did a spring over on my 89 YJ, when I did the front I tipped the > pinion up 2 degrees. Ended up with around 7" of lift when it was all said > and done, no driveline vibes, no driveability problems. > > Carl > > <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David- Hide quoted text - > > - Show quoted text - |
Re: Re: Rotating front pinon on YJ
On Sun, 19 Aug 2007 20:31:43 -0700, "zstasch@yahoo.com"
<zstasch@yahoo.com> wrote: >I'm moving too slow on the trail to notice any vibrations, but when I >hit 4 hi on the snow covered streets, the vibrations make me cringe so >bad that I don't even use the 4wd. Why not simply install a aftermarket CV in fron drive shaft where it connects to pinion? Given short drive shaft it is a viable long term solution. Though some do it is is not advisable to rotate axle forward and remove positive caster to improve drive angle a bit. ----------------- TheSnoMan.com |
Re: Re: Rotating front pinon on YJ
On Sun, 19 Aug 2007 20:31:43 -0700, "zstasch@yahoo.com"
<zstasch@yahoo.com> wrote: >I'm moving too slow on the trail to notice any vibrations, but when I >hit 4 hi on the snow covered streets, the vibrations make me cringe so >bad that I don't even use the 4wd. Why not simply install a aftermarket CV in fron drive shaft where it connects to pinion? Given short drive shaft it is a viable long term solution. Though some do it is is not advisable to rotate axle forward and remove positive caster to improve drive angle a bit. ----------------- TheSnoMan.com |
Re: Re: Rotating front pinon on YJ
On Sun, 19 Aug 2007 20:31:43 -0700, "zstasch@yahoo.com"
<zstasch@yahoo.com> wrote: >I'm moving too slow on the trail to notice any vibrations, but when I >hit 4 hi on the snow covered streets, the vibrations make me cringe so >bad that I don't even use the 4wd. Why not simply install a aftermarket CV in fron drive shaft where it connects to pinion? Given short drive shaft it is a viable long term solution. Though some do it is is not advisable to rotate axle forward and remove positive caster to improve drive angle a bit. ----------------- TheSnoMan.com |
Re: Re: Rotating front pinon on YJ
On Sun, 19 Aug 2007 20:31:43 -0700, "zstasch@yahoo.com"
<zstasch@yahoo.com> wrote: >I'm moving too slow on the trail to notice any vibrations, but when I >hit 4 hi on the snow covered streets, the vibrations make me cringe so >bad that I don't even use the 4wd. Why not simply install a aftermarket CV in fron drive shaft where it connects to pinion? Given short drive shaft it is a viable long term solution. Though some do it is is not advisable to rotate axle forward and remove positive caster to improve drive angle a bit. ----------------- TheSnoMan.com |
Re: Rotating front pinon on YJ
<zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > This is asking the obvious, but just in case: Have you checked the front driveshaft if it is balanced? The front driveshaft on the YJ isn't real short and I can't think that a 4" lift is going to be enough to create vibes. I would check out the driveshaft being balanced as well as the condition of the ujoints. |
Re: Rotating front pinon on YJ
<zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > This is asking the obvious, but just in case: Have you checked the front driveshaft if it is balanced? The front driveshaft on the YJ isn't real short and I can't think that a 4" lift is going to be enough to create vibes. I would check out the driveshaft being balanced as well as the condition of the ujoints. |
Re: Rotating front pinon on YJ
<zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > This is asking the obvious, but just in case: Have you checked the front driveshaft if it is balanced? The front driveshaft on the YJ isn't real short and I can't think that a 4" lift is going to be enough to create vibes. I would check out the driveshaft being balanced as well as the condition of the ujoints. |
Re: Rotating front pinon on YJ
<zstasch@yahoo.com> wrote in message news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > Hello Jeepers, > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > drive. I don't want to use any degree shims and mess up the stering > geometry. > > I'm thinking about drilling out the welds that hold the axle tubes in > place, rotating the pumpkin to desired angle and weld the holes back > in place. Would this be the easiest way to go about this? If so, > what do I use to drill out the welds. Is there something better than > colbalt drill bits and lots of cutting oil? > > Any tips or advice would be greatly appreciated. > > TIA, > David > This is asking the obvious, but just in case: Have you checked the front driveshaft if it is balanced? The front driveshaft on the YJ isn't real short and I can't think that a 4" lift is going to be enough to create vibes. I would check out the driveshaft being balanced as well as the condition of the ujoints. |
Re: Rotating front pinon on YJ
On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote:
> <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David > > This is asking the obvious, but just in case: > Have you checked the front driveshaft if it is balanced? > The front driveshaft on the YJ isn't real short and I can't think that a 4" > lift is going to be enough to create vibes. I would check out the > driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > - Show quoted text - I agree the balance should be checked first along with the general condition of the u-joints. A lot of jeeps have 4 inch lifts without these vibrations coming up so there is a strong chance something else is going on. |
Re: Rotating front pinon on YJ
On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote:
> <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David > > This is asking the obvious, but just in case: > Have you checked the front driveshaft if it is balanced? > The front driveshaft on the YJ isn't real short and I can't think that a 4" > lift is going to be enough to create vibes. I would check out the > driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > - Show quoted text - I agree the balance should be checked first along with the general condition of the u-joints. A lot of jeeps have 4 inch lifts without these vibrations coming up so there is a strong chance something else is going on. |
Re: Rotating front pinon on YJ
On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote:
> <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David > > This is asking the obvious, but just in case: > Have you checked the front driveshaft if it is balanced? > The front driveshaft on the YJ isn't real short and I can't think that a 4" > lift is going to be enough to create vibes. I would check out the > driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > - Show quoted text - I agree the balance should be checked first along with the general condition of the u-joints. A lot of jeeps have 4 inch lifts without these vibrations coming up so there is a strong chance something else is going on. |
Re: Rotating front pinon on YJ
On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote:
> <zsta...@yahoo.com> wrote in message > > news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... > > > > > > > Hello Jeepers, > > > I'd like to correct the pinon angle on the Dana 30 in front of my '93 > > YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > > drive. I don't want to use any degree shims and mess up the stering > > geometry. > > > I'm thinking about drilling out the welds that hold the axle tubes in > > place, rotating the pumpkin to desired angle and weld the holes back > > in place. Would this be the easiest way to go about this? If so, > > what do I use to drill out the welds. Is there something better than > > colbalt drill bits and lots of cutting oil? > > > Any tips or advice would be greatly appreciated. > > > TIA, > > David > > This is asking the obvious, but just in case: > Have you checked the front driveshaft if it is balanced? > The front driveshaft on the YJ isn't real short and I can't think that a 4" > lift is going to be enough to create vibes. I would check out the > driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > - Show quoted text - I agree the balance should be checked first along with the general condition of the u-joints. A lot of jeeps have 4 inch lifts without these vibrations coming up so there is a strong chance something else is going on. |
Re: Rotating front pinon on YJ
nrs wrote:
> On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: >> <zsta...@yahoo.com> wrote in message >> >> news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... >> >> >> >> >> >>> Hello Jeepers, >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel >>> drive. I don't want to use any degree shims and mess up the stering >>> geometry. >>> I'm thinking about drilling out the welds that hold the axle tubes in >>> place, rotating the pumpkin to desired angle and weld the holes back >>> in place. Would this be the easiest way to go about this? If so, >>> what do I use to drill out the welds. Is there something better than >>> colbalt drill bits and lots of cutting oil? >>> Any tips or advice would be greatly appreciated. >>> TIA, >>> David >> This is asking the obvious, but just in case: >> Have you checked the front driveshaft if it is balanced? >> The front driveshaft on the YJ isn't real short and I can't think that a 4" >> lift is going to be enough to create vibes. I would check out the >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - >> >> - Show quoted text - > > I agree the balance should be checked first along with the general > condition of the u-joints. A lot of jeeps have 4 inch lifts without > these vibrations coming up so there is a strong chance something else > is going on. > > I am going to add a third to that! I would be inspecting the driveshaft, it's u-joints or even the axle u-joints behind the wheels. Front vibes 'caused' by a 4" lift, isn't something anyone has complained about on this group. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) |
Re: Rotating front pinon on YJ
nrs wrote:
> On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: >> <zsta...@yahoo.com> wrote in message >> >> news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... >> >> >> >> >> >>> Hello Jeepers, >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel >>> drive. I don't want to use any degree shims and mess up the stering >>> geometry. >>> I'm thinking about drilling out the welds that hold the axle tubes in >>> place, rotating the pumpkin to desired angle and weld the holes back >>> in place. Would this be the easiest way to go about this? If so, >>> what do I use to drill out the welds. Is there something better than >>> colbalt drill bits and lots of cutting oil? >>> Any tips or advice would be greatly appreciated. >>> TIA, >>> David >> This is asking the obvious, but just in case: >> Have you checked the front driveshaft if it is balanced? >> The front driveshaft on the YJ isn't real short and I can't think that a 4" >> lift is going to be enough to create vibes. I would check out the >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - >> >> - Show quoted text - > > I agree the balance should be checked first along with the general > condition of the u-joints. A lot of jeeps have 4 inch lifts without > these vibrations coming up so there is a strong chance something else > is going on. > > I am going to add a third to that! I would be inspecting the driveshaft, it's u-joints or even the axle u-joints behind the wheels. Front vibes 'caused' by a 4" lift, isn't something anyone has complained about on this group. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) |
Re: Rotating front pinon on YJ
nrs wrote:
> On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: >> <zsta...@yahoo.com> wrote in message >> >> news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... >> >> >> >> >> >>> Hello Jeepers, >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel >>> drive. I don't want to use any degree shims and mess up the stering >>> geometry. >>> I'm thinking about drilling out the welds that hold the axle tubes in >>> place, rotating the pumpkin to desired angle and weld the holes back >>> in place. Would this be the easiest way to go about this? If so, >>> what do I use to drill out the welds. Is there something better than >>> colbalt drill bits and lots of cutting oil? >>> Any tips or advice would be greatly appreciated. >>> TIA, >>> David >> This is asking the obvious, but just in case: >> Have you checked the front driveshaft if it is balanced? >> The front driveshaft on the YJ isn't real short and I can't think that a 4" >> lift is going to be enough to create vibes. I would check out the >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - >> >> - Show quoted text - > > I agree the balance should be checked first along with the general > condition of the u-joints. A lot of jeeps have 4 inch lifts without > these vibrations coming up so there is a strong chance something else > is going on. > > I am going to add a third to that! I would be inspecting the driveshaft, it's u-joints or even the axle u-joints behind the wheels. Front vibes 'caused' by a 4" lift, isn't something anyone has complained about on this group. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) |
Re: Rotating front pinon on YJ
nrs wrote:
> On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: >> <zsta...@yahoo.com> wrote in message >> >> news:1187577009.368403.201250@i13g2000prf.googlegr oups.com... >> >> >> >> >> >>> Hello Jeepers, >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel >>> drive. I don't want to use any degree shims and mess up the stering >>> geometry. >>> I'm thinking about drilling out the welds that hold the axle tubes in >>> place, rotating the pumpkin to desired angle and weld the holes back >>> in place. Would this be the easiest way to go about this? If so, >>> what do I use to drill out the welds. Is there something better than >>> colbalt drill bits and lots of cutting oil? >>> Any tips or advice would be greatly appreciated. >>> TIA, >>> David >> This is asking the obvious, but just in case: >> Have you checked the front driveshaft if it is balanced? >> The front driveshaft on the YJ isn't real short and I can't think that a 4" >> lift is going to be enough to create vibes. I would check out the >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - >> >> - Show quoted text - > > I agree the balance should be checked first along with the general > condition of the u-joints. A lot of jeeps have 4 inch lifts without > these vibrations coming up so there is a strong chance something else > is going on. > > I am going to add a third to that! I would be inspecting the driveshaft, it's u-joints or even the axle u-joints behind the wheels. Front vibes 'caused' by a 4" lift, isn't something anyone has complained about on this group. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) |
Re: Rotating front pinon on YJ
Thank you for all your responses! I assumed the problem was the pinon
angle because the vibes started at the same time I put the taller springs on but perhaps that just exaggerated some vibes I couldn't feel before. I'll check the u-joints and driveline balance to see if I can find the problem. Thanks again, your advice has been most helpful! Take care, David On Aug 21, 8:25 am, Mike Romain <roma...@sympatico.ca> wrote: > nrs wrote: > > On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: > >> <zsta...@yahoo.com> wrote in message > > >>news:1187577009.368403.201250@i13g2000prf.google groups.com... > > >>> Hello Jeepers, > >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 > >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > >>> drive. I don't want to use any degree shims and mess up the stering > >>> geometry. > >>> I'm thinking about drilling out the welds that hold the axle tubes in > >>> place, rotating the pumpkin to desired angle and weld the holes back > >>> in place. Would this be the easiest way to go about this? If so, > >>> what do I use to drill out the welds. Is there something better than > >>> colbalt drill bits and lots of cutting oil? > >>> Any tips or advice would be greatly appreciated. > >>> TIA, > >>> David > >> This is asking the obvious, but just in case: > >> Have you checked the front driveshaft if it is balanced? > >> The front driveshaft on the YJ isn't real short and I can't think that a 4" > >> lift is going to be enough to create vibes. I would check out the > >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > >> - Show quoted text - > > > I agree the balance should be checked first along with the general > > condition of the u-joints. A lot of jeeps have 4 inch lifts without > > these vibrations coming up so there is a strong chance something else > > is going on. > > I am going to add a third to that! > > I would be inspecting the driveshaft, it's u-joints or even the axle > u-joints behind the wheels. > > Front vibes 'caused' by a 4" lift, isn't something anyone has complained > about on this group. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590 > (More Off Road album links at bottom of the view page)- Hide quoted text - > > - Show quoted text - |
Re: Rotating front pinon on YJ
Thank you for all your responses! I assumed the problem was the pinon
angle because the vibes started at the same time I put the taller springs on but perhaps that just exaggerated some vibes I couldn't feel before. I'll check the u-joints and driveline balance to see if I can find the problem. Thanks again, your advice has been most helpful! Take care, David On Aug 21, 8:25 am, Mike Romain <roma...@sympatico.ca> wrote: > nrs wrote: > > On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: > >> <zsta...@yahoo.com> wrote in message > > >>news:1187577009.368403.201250@i13g2000prf.google groups.com... > > >>> Hello Jeepers, > >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 > >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > >>> drive. I don't want to use any degree shims and mess up the stering > >>> geometry. > >>> I'm thinking about drilling out the welds that hold the axle tubes in > >>> place, rotating the pumpkin to desired angle and weld the holes back > >>> in place. Would this be the easiest way to go about this? If so, > >>> what do I use to drill out the welds. Is there something better than > >>> colbalt drill bits and lots of cutting oil? > >>> Any tips or advice would be greatly appreciated. > >>> TIA, > >>> David > >> This is asking the obvious, but just in case: > >> Have you checked the front driveshaft if it is balanced? > >> The front driveshaft on the YJ isn't real short and I can't think that a 4" > >> lift is going to be enough to create vibes. I would check out the > >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > >> - Show quoted text - > > > I agree the balance should be checked first along with the general > > condition of the u-joints. A lot of jeeps have 4 inch lifts without > > these vibrations coming up so there is a strong chance something else > > is going on. > > I am going to add a third to that! > > I would be inspecting the driveshaft, it's u-joints or even the axle > u-joints behind the wheels. > > Front vibes 'caused' by a 4" lift, isn't something anyone has complained > about on this group. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590 > (More Off Road album links at bottom of the view page)- Hide quoted text - > > - Show quoted text - |
Re: Rotating front pinon on YJ
Thank you for all your responses! I assumed the problem was the pinon
angle because the vibes started at the same time I put the taller springs on but perhaps that just exaggerated some vibes I couldn't feel before. I'll check the u-joints and driveline balance to see if I can find the problem. Thanks again, your advice has been most helpful! Take care, David On Aug 21, 8:25 am, Mike Romain <roma...@sympatico.ca> wrote: > nrs wrote: > > On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: > >> <zsta...@yahoo.com> wrote in message > > >>news:1187577009.368403.201250@i13g2000prf.google groups.com... > > >>> Hello Jeepers, > >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 > >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > >>> drive. I don't want to use any degree shims and mess up the stering > >>> geometry. > >>> I'm thinking about drilling out the welds that hold the axle tubes in > >>> place, rotating the pumpkin to desired angle and weld the holes back > >>> in place. Would this be the easiest way to go about this? If so, > >>> what do I use to drill out the welds. Is there something better than > >>> colbalt drill bits and lots of cutting oil? > >>> Any tips or advice would be greatly appreciated. > >>> TIA, > >>> David > >> This is asking the obvious, but just in case: > >> Have you checked the front driveshaft if it is balanced? > >> The front driveshaft on the YJ isn't real short and I can't think that a 4" > >> lift is going to be enough to create vibes. I would check out the > >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > >> - Show quoted text - > > > I agree the balance should be checked first along with the general > > condition of the u-joints. A lot of jeeps have 4 inch lifts without > > these vibrations coming up so there is a strong chance something else > > is going on. > > I am going to add a third to that! > > I would be inspecting the driveshaft, it's u-joints or even the axle > u-joints behind the wheels. > > Front vibes 'caused' by a 4" lift, isn't something anyone has complained > about on this group. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590 > (More Off Road album links at bottom of the view page)- Hide quoted text - > > - Show quoted text - |
Re: Rotating front pinon on YJ
Thank you for all your responses! I assumed the problem was the pinon
angle because the vibes started at the same time I put the taller springs on but perhaps that just exaggerated some vibes I couldn't feel before. I'll check the u-joints and driveline balance to see if I can find the problem. Thanks again, your advice has been most helpful! Take care, David On Aug 21, 8:25 am, Mike Romain <roma...@sympatico.ca> wrote: > nrs wrote: > > On Aug 20, 9:49 am, "Raptor" <I_AM_Rap...@hotmail.com> wrote: > >> <zsta...@yahoo.com> wrote in message > > >>news:1187577009.368403.201250@i13g2000prf.google groups.com... > > >>> Hello Jeepers, > >>> I'd like to correct the pinon angle on the Dana 30 in front of my '93 > >>> YJ. It has a 4" SUA lift and has some vibration while in 4 wheel > >>> drive. I don't want to use any degree shims and mess up the stering > >>> geometry. > >>> I'm thinking about drilling out the welds that hold the axle tubes in > >>> place, rotating the pumpkin to desired angle and weld the holes back > >>> in place. Would this be the easiest way to go about this? If so, > >>> what do I use to drill out the welds. Is there something better than > >>> colbalt drill bits and lots of cutting oil? > >>> Any tips or advice would be greatly appreciated. > >>> TIA, > >>> David > >> This is asking the obvious, but just in case: > >> Have you checked the front driveshaft if it is balanced? > >> The front driveshaft on the YJ isn't real short and I can't think that a 4" > >> lift is going to be enough to create vibes. I would check out the > >> driveshaft being balanced as well as the condition of the ujoints.- Hide quoted text - > > >> - Show quoted text - > > > I agree the balance should be checked first along with the general > > condition of the u-joints. A lot of jeeps have 4 inch lifts without > > these vibrations coming up so there is a strong chance something else > > is going on. > > I am going to add a third to that! > > I would be inspecting the driveshaft, it's u-joints or even the axle > u-joints behind the wheels. > > Front vibes 'caused' by a 4" lift, isn't something anyone has complained > about on this group. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590 > (More Off Road album links at bottom of the view page)- Hide quoted text - > > - Show quoted text - |
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