Re: Speedo cable & 4WD Knocking noise
Thanks Mike,
Your help was very useful and much appreciated! Adam On Nov 19, 11:01 am, Mike Romain <roma...@sympatico.ca> wrote: > Your t-case is a 'shift on the fly' one for 4 high. You can shift into > and out of 4 high at any legal speed. I treat it just like any other > shift in my Jeeps. When I see a snowy patch coming on the highway, I > shift, then when I see clear again I shift back to 2 wheel drive. I > also find 4x4 is nasty when turning left at a slushy intersection > because one front wheel has to scuff so it gets up on top and wants to > go straight so I shift to 2 wheel drive for that, then back to 4x4 as I > come out of the turn. > > Your 4 low can only be shifted when either stopped or rolling along at 2 > mph or so. Most like to be moving slowly for the best shift, but they > pretty much always clunk a bit. > > The knocking in 4x4 is not a good thing. I would be checking the 5 > front u-joints out for a bad one. The driveshaft has 3 and there are > one at each axle end. > > If you have a bad engine mount, the engine can slide over and the front > Yoke can hit the exhaust making a good knock or grind. The driver's > side one seems to go first. > > Your front axle locks via a vacuum motor when you shift to 4x4. If this > is leaky, it might not allow a front lock which can be noisy. > > The speedo cable goes into the back side of the t-case. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > 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) > > General Pathology wrote: > > > Thanks for your suggestions...I will keep you posted... > > > I stop the vehicle...shift into 4H...then reverse 5 feet to > > engage.....then drive.....??? > > > On Nov 18, 10:14 pm, "Micah" <mgoodenb...@gmail.com> wrote: > > > Speedometer cable goes to the driver's side of the transfer case. It's > > > pretty hard to miss, should be pretty simple to replace. > > > > Is the Jeep moving when you shift into 4WD? > > > > General Pathology wrote: > > > > Hey Guys, > > > > > I just bought a 88 YJ after only owning an 04 TJ...whole new > > > > can'o'worms. First the speedo cable needs replacing...where does the > > > > cable run to? Transmission or transfer case? > > > > > Second, driving in 2wd is fine but when I switch to 4H or 4L I get a > > > > loud knocking noise. Should I start by replacing the fluid, or would > > > > this be pointless and I am looking at a much larger problem? > > > > > Thanks, > > > > > Adam |
Re: Speedo cable & 4WD Knocking noise
Thanks Mike,
Your help was very useful and much appreciated! Adam On Nov 19, 11:01 am, Mike Romain <roma...@sympatico.ca> wrote: > Your t-case is a 'shift on the fly' one for 4 high. You can shift into > and out of 4 high at any legal speed. I treat it just like any other > shift in my Jeeps. When I see a snowy patch coming on the highway, I > shift, then when I see clear again I shift back to 2 wheel drive. I > also find 4x4 is nasty when turning left at a slushy intersection > because one front wheel has to scuff so it gets up on top and wants to > go straight so I shift to 2 wheel drive for that, then back to 4x4 as I > come out of the turn. > > Your 4 low can only be shifted when either stopped or rolling along at 2 > mph or so. Most like to be moving slowly for the best shift, but they > pretty much always clunk a bit. > > The knocking in 4x4 is not a good thing. I would be checking the 5 > front u-joints out for a bad one. The driveshaft has 3 and there are > one at each axle end. > > If you have a bad engine mount, the engine can slide over and the front > Yoke can hit the exhaust making a good knock or grind. The driver's > side one seems to go first. > > Your front axle locks via a vacuum motor when you shift to 4x4. If this > is leaky, it might not allow a front lock which can be noisy. > > The speedo cable goes into the back side of the t-case. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > 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) > > General Pathology wrote: > > > Thanks for your suggestions...I will keep you posted... > > > I stop the vehicle...shift into 4H...then reverse 5 feet to > > engage.....then drive.....??? > > > On Nov 18, 10:14 pm, "Micah" <mgoodenb...@gmail.com> wrote: > > > Speedometer cable goes to the driver's side of the transfer case. It's > > > pretty hard to miss, should be pretty simple to replace. > > > > Is the Jeep moving when you shift into 4WD? > > > > General Pathology wrote: > > > > Hey Guys, > > > > > I just bought a 88 YJ after only owning an 04 TJ...whole new > > > > can'o'worms. First the speedo cable needs replacing...where does the > > > > cable run to? Transmission or transfer case? > > > > > Second, driving in 2wd is fine but when I switch to 4H or 4L I get a > > > > loud knocking noise. Should I start by replacing the fluid, or would > > > > this be pointless and I am looking at a much larger problem? > > > > > Thanks, > > > > > Adam |
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