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Jeep CJ-7 driveshaft and clutch?
So Here is my problem...
I have a 1985 Jeep CJ-7 with the inline 6 4.2... About 2 weeks ago I developed a vibration when accelerating in 1st and 3rd around 2500-3000 RPM. I could not figure it out!! I thought i might have had an alignment problem or something to do with recently greased joints...Well today My driveshaft dropped from the rear-end side. The bolts in the connector snapped off. I am thinking either from the harmonic balancer or maybe one bolt broke and then the vibrations broke the other. Well I decided I would just pull the driveshaft, throw it into 4 wheel drive and limp it home like a FWD. Well first I could not get the driveshaft off...could not pull it from the transmission, and could not loosen the bolts. I decided to try and tie it up so it would spin freely without hurting anything else(yeah ghetto I know). But when I put it into 4WD I could shift through the gears without hitting the clutch, and the car would not move...?? Am i missing something? I thought for sure this would work. I also know that my 4WD works. Did I burn out my clutch somehow too? Any ideas here...my poor baby is sitting on the highway...I'd rather tow it to my house than a mechanic!! Thanks for the help Jeremy |
Re: Jeep CJ-7 driveshaft and clutch?
<jelwell1982@yahoo.com> wrote in message news:1193800961.257613.57190@o38g2000hse.googlegro ups.com... > So Here is my problem... > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > About 2 weeks ago I developed a vibration when accelerating in 1st > and > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > might have had an alignment problem or something to do with recently > greased joints...Well today My driveshaft dropped from the rear-end > side. The bolts in the connector snapped off. I am thinking either > from the harmonic balancer or maybe one bolt broke and then the > vibrations broke the other. Well I decided I would just pull the > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > Well first I could not get the driveshaft off...could not pull it > from > the transmission, and could not loosen the bolts. I decided to try > and > tie it up so it would spin freely without hurting anything else(yeah > ghetto I know). But when I put it into 4WD I could shift through the > gears without hitting the clutch, and the car would not move...?? > Am i missing something? I thought for sure this would work. I also > know that my 4WD works. Did I burn out my clutch somehow too? Any > ideas here...my poor baby is sitting on the highway...I'd rather tow > it to my house than a mechanic!! > Thanks for the help > Jeremy > If you are certain that your 4WD system works, but you could shift through the gears without the clutch and without going anywhere, I would suspect that the TCase was in neutral, possibly from being busted. I would see if you are getting any rotation from the driveshaft that is hanging at the rear when you put it in gear. |
Re: Jeep CJ-7 driveshaft and clutch?
<jelwell1982@yahoo.com> wrote in message news:1193800961.257613.57190@o38g2000hse.googlegro ups.com... > So Here is my problem... > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > About 2 weeks ago I developed a vibration when accelerating in 1st > and > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > might have had an alignment problem or something to do with recently > greased joints...Well today My driveshaft dropped from the rear-end > side. The bolts in the connector snapped off. I am thinking either > from the harmonic balancer or maybe one bolt broke and then the > vibrations broke the other. Well I decided I would just pull the > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > Well first I could not get the driveshaft off...could not pull it > from > the transmission, and could not loosen the bolts. I decided to try > and > tie it up so it would spin freely without hurting anything else(yeah > ghetto I know). But when I put it into 4WD I could shift through the > gears without hitting the clutch, and the car would not move...?? > Am i missing something? I thought for sure this would work. I also > know that my 4WD works. Did I burn out my clutch somehow too? Any > ideas here...my poor baby is sitting on the highway...I'd rather tow > it to my house than a mechanic!! > Thanks for the help > Jeremy > If you are certain that your 4WD system works, but you could shift through the gears without the clutch and without going anywhere, I would suspect that the TCase was in neutral, possibly from being busted. I would see if you are getting any rotation from the driveshaft that is hanging at the rear when you put it in gear. |
Re: Jeep CJ-7 driveshaft and clutch?
<jelwell1982@yahoo.com> wrote in message news:1193800961.257613.57190@o38g2000hse.googlegro ups.com... > So Here is my problem... > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > About 2 weeks ago I developed a vibration when accelerating in 1st > and > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > might have had an alignment problem or something to do with recently > greased joints...Well today My driveshaft dropped from the rear-end > side. The bolts in the connector snapped off. I am thinking either > from the harmonic balancer or maybe one bolt broke and then the > vibrations broke the other. Well I decided I would just pull the > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > Well first I could not get the driveshaft off...could not pull it > from > the transmission, and could not loosen the bolts. I decided to try > and > tie it up so it would spin freely without hurting anything else(yeah > ghetto I know). But when I put it into 4WD I could shift through the > gears without hitting the clutch, and the car would not move...?? > Am i missing something? I thought for sure this would work. I also > know that my 4WD works. Did I burn out my clutch somehow too? Any > ideas here...my poor baby is sitting on the highway...I'd rather tow > it to my house than a mechanic!! > Thanks for the help > Jeremy > If you are certain that your 4WD system works, but you could shift through the gears without the clutch and without going anywhere, I would suspect that the TCase was in neutral, possibly from being busted. I would see if you are getting any rotation from the driveshaft that is hanging at the rear when you put it in gear. |
Re: Jeep CJ-7 driveshaft and clutch?
First off your u-joint went bad and the vibrations caused the bolts to
blow out of the rear pinion. You now likely need a rear pinion, new seals for that and at least a new u-joint. You also might need pinion bearings depending on how long it was vibrating for. You 'cannot' drive it with the driveshaft still in place. It will not work, the driveshaft will act like a propeller and take out things like the exhaust, brake lines and gas lines, let along the holes it punches in the floor pan..... You will need to unbolt the front of the driveshaft and put it inside. Then you need to 'lock your front hubs' before putting it into 4 high for the drive home.... You also need to be very careful when pulling away at a corner so you don't stress out the front u-joints too much. My CJ7 will run fine up to 60 or 65 mph on front wheel drive with no issues. If yours vibrates at speed, Slow Down or you will blow a front u-joint. Then go looking for the bad front one after you limp home. (only if it vibrates) 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... jelwell1982@yahoo.com wrote: > So Here is my problem... > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > About 2 weeks ago I developed a vibration when accelerating in 1st > and > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > might have had an alignment problem or something to do with recently > greased joints...Well today My driveshaft dropped from the rear-end > side. The bolts in the connector snapped off. I am thinking either > from the harmonic balancer or maybe one bolt broke and then the > vibrations broke the other. Well I decided I would just pull the > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > Well first I could not get the driveshaft off...could not pull it > from > the transmission, and could not loosen the bolts. I decided to try > and > tie it up so it would spin freely without hurting anything else(yeah > ghetto I know). But when I put it into 4WD I could shift through the > gears without hitting the clutch, and the car would not move...?? > Am i missing something? I thought for sure this would work. I also > know that my 4WD works. Did I burn out my clutch somehow too? Any > ideas here...my poor baby is sitting on the highway...I'd rather tow > it to my house than a mechanic!! > Thanks for the help > Jeremy > |
Re: Jeep CJ-7 driveshaft and clutch?
First off your u-joint went bad and the vibrations caused the bolts to
blow out of the rear pinion. You now likely need a rear pinion, new seals for that and at least a new u-joint. You also might need pinion bearings depending on how long it was vibrating for. You 'cannot' drive it with the driveshaft still in place. It will not work, the driveshaft will act like a propeller and take out things like the exhaust, brake lines and gas lines, let along the holes it punches in the floor pan..... You will need to unbolt the front of the driveshaft and put it inside. Then you need to 'lock your front hubs' before putting it into 4 high for the drive home.... You also need to be very careful when pulling away at a corner so you don't stress out the front u-joints too much. My CJ7 will run fine up to 60 or 65 mph on front wheel drive with no issues. If yours vibrates at speed, Slow Down or you will blow a front u-joint. Then go looking for the bad front one after you limp home. (only if it vibrates) 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... jelwell1982@yahoo.com wrote: > So Here is my problem... > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > About 2 weeks ago I developed a vibration when accelerating in 1st > and > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > might have had an alignment problem or something to do with recently > greased joints...Well today My driveshaft dropped from the rear-end > side. The bolts in the connector snapped off. I am thinking either > from the harmonic balancer or maybe one bolt broke and then the > vibrations broke the other. Well I decided I would just pull the > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > Well first I could not get the driveshaft off...could not pull it > from > the transmission, and could not loosen the bolts. I decided to try > and > tie it up so it would spin freely without hurting anything else(yeah > ghetto I know). But when I put it into 4WD I could shift through the > gears without hitting the clutch, and the car would not move...?? > Am i missing something? I thought for sure this would work. I also > know that my 4WD works. Did I burn out my clutch somehow too? Any > ideas here...my poor baby is sitting on the highway...I'd rather tow > it to my house than a mechanic!! > Thanks for the help > Jeremy > |
Re: Jeep CJ-7 driveshaft and clutch?
First off your u-joint went bad and the vibrations caused the bolts to
blow out of the rear pinion. You now likely need a rear pinion, new seals for that and at least a new u-joint. You also might need pinion bearings depending on how long it was vibrating for. You 'cannot' drive it with the driveshaft still in place. It will not work, the driveshaft will act like a propeller and take out things like the exhaust, brake lines and gas lines, let along the holes it punches in the floor pan..... You will need to unbolt the front of the driveshaft and put it inside. Then you need to 'lock your front hubs' before putting it into 4 high for the drive home.... You also need to be very careful when pulling away at a corner so you don't stress out the front u-joints too much. My CJ7 will run fine up to 60 or 65 mph on front wheel drive with no issues. If yours vibrates at speed, Slow Down or you will blow a front u-joint. Then go looking for the bad front one after you limp home. (only if it vibrates) 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... jelwell1982@yahoo.com wrote: > So Here is my problem... > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > About 2 weeks ago I developed a vibration when accelerating in 1st > and > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > might have had an alignment problem or something to do with recently > greased joints...Well today My driveshaft dropped from the rear-end > side. The bolts in the connector snapped off. I am thinking either > from the harmonic balancer or maybe one bolt broke and then the > vibrations broke the other. Well I decided I would just pull the > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > Well first I could not get the driveshaft off...could not pull it > from > the transmission, and could not loosen the bolts. I decided to try > and > tie it up so it would spin freely without hurting anything else(yeah > ghetto I know). But when I put it into 4WD I could shift through the > gears without hitting the clutch, and the car would not move...?? > Am i missing something? I thought for sure this would work. I also > know that my 4WD works. Did I burn out my clutch somehow too? Any > ideas here...my poor baby is sitting on the highway...I'd rather tow > it to my house than a mechanic!! > Thanks for the help > Jeremy > |
Re: Jeep CJ-7 driveshaft and clutch?
"Tie [the rear driveshaft] up so it would spin freely without
hurting anything else" .... LMAO!!! It sounds as if he forgot to lock the front hubs, yep. But wait, no smashing against the floor pan when he lets out the clutch. I know it is unlikely, but it sounds as if the clutch, transmission or shift mechanism got damaged in the fracas too. Cheers, Earle "Mike Romain" <romainm@sympatico.ca> wrote in message news:4728936f$0$31567$9a6e19ea@unlimited.newshosti ng.com... > First off your u-joint went bad and the vibrations caused the bolts to > blow out of the rear pinion. You now likely need a rear pinion, new > seals for that and at least a new u-joint. You also might need pinion > bearings depending on how long it was vibrating for. > > You 'cannot' drive it with the driveshaft still in place. It will not > work, the driveshaft will act like a propeller and take out things like > the exhaust, brake lines and gas lines, let along the holes it punches > in the floor pan..... > > You will need to unbolt the front of the driveshaft and put it inside. > > Then you need to 'lock your front hubs' before putting it into 4 high > for the drive home.... > > You also need to be very careful when pulling away at a corner so you > don't stress out the front u-joints too much. > > My CJ7 will run fine up to 60 or 65 mph on front wheel drive with no > issues. If yours vibrates at speed, Slow Down or you will blow a front > u-joint. Then go looking for the bad front one after you limp home. > (only if it vibrates) > > 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... > > jelwell1982@yahoo.com wrote: > > So Here is my problem... > > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > > About 2 weeks ago I developed a vibration when accelerating in 1st > > and > > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > > might have had an alignment problem or something to do with recently > > greased joints...Well today My driveshaft dropped from the rear-end > > side. The bolts in the connector snapped off. I am thinking either > > from the harmonic balancer or maybe one bolt broke and then the > > vibrations broke the other. Well I decided I would just pull the > > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > > Well first I could not get the driveshaft off...could not pull it > > from > > the transmission, and could not loosen the bolts. I decided to try > > and > > tie it up so it would spin freely without hurting anything else(yeah > > ghetto I know). But when I put it into 4WD I could shift through the > > gears without hitting the clutch, and the car would not move...?? > > Am i missing something? I thought for sure this would work. I also > > know that my 4WD works. Did I burn out my clutch somehow too? Any > > ideas here...my poor baby is sitting on the highway...I'd rather tow > > it to my house than a mechanic!! > > Thanks for the help > > Jeremy > > -- Posted via a free Usenet account from http://www.teranews.com |
Re: Jeep CJ-7 driveshaft and clutch?
"Tie [the rear driveshaft] up so it would spin freely without
hurting anything else" .... LMAO!!! It sounds as if he forgot to lock the front hubs, yep. But wait, no smashing against the floor pan when he lets out the clutch. I know it is unlikely, but it sounds as if the clutch, transmission or shift mechanism got damaged in the fracas too. Cheers, Earle "Mike Romain" <romainm@sympatico.ca> wrote in message news:4728936f$0$31567$9a6e19ea@unlimited.newshosti ng.com... > First off your u-joint went bad and the vibrations caused the bolts to > blow out of the rear pinion. You now likely need a rear pinion, new > seals for that and at least a new u-joint. You also might need pinion > bearings depending on how long it was vibrating for. > > You 'cannot' drive it with the driveshaft still in place. It will not > work, the driveshaft will act like a propeller and take out things like > the exhaust, brake lines and gas lines, let along the holes it punches > in the floor pan..... > > You will need to unbolt the front of the driveshaft and put it inside. > > Then you need to 'lock your front hubs' before putting it into 4 high > for the drive home.... > > You also need to be very careful when pulling away at a corner so you > don't stress out the front u-joints too much. > > My CJ7 will run fine up to 60 or 65 mph on front wheel drive with no > issues. If yours vibrates at speed, Slow Down or you will blow a front > u-joint. Then go looking for the bad front one after you limp home. > (only if it vibrates) > > 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... > > jelwell1982@yahoo.com wrote: > > So Here is my problem... > > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > > About 2 weeks ago I developed a vibration when accelerating in 1st > > and > > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > > might have had an alignment problem or something to do with recently > > greased joints...Well today My driveshaft dropped from the rear-end > > side. The bolts in the connector snapped off. I am thinking either > > from the harmonic balancer or maybe one bolt broke and then the > > vibrations broke the other. Well I decided I would just pull the > > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > > Well first I could not get the driveshaft off...could not pull it > > from > > the transmission, and could not loosen the bolts. I decided to try > > and > > tie it up so it would spin freely without hurting anything else(yeah > > ghetto I know). But when I put it into 4WD I could shift through the > > gears without hitting the clutch, and the car would not move...?? > > Am i missing something? I thought for sure this would work. I also > > know that my 4WD works. Did I burn out my clutch somehow too? Any > > ideas here...my poor baby is sitting on the highway...I'd rather tow > > it to my house than a mechanic!! > > Thanks for the help > > Jeremy > > -- Posted via a free Usenet account from http://www.teranews.com |
Re: Jeep CJ-7 driveshaft and clutch?
"Tie [the rear driveshaft] up so it would spin freely without
hurting anything else" .... LMAO!!! It sounds as if he forgot to lock the front hubs, yep. But wait, no smashing against the floor pan when he lets out the clutch. I know it is unlikely, but it sounds as if the clutch, transmission or shift mechanism got damaged in the fracas too. Cheers, Earle "Mike Romain" <romainm@sympatico.ca> wrote in message news:4728936f$0$31567$9a6e19ea@unlimited.newshosti ng.com... > First off your u-joint went bad and the vibrations caused the bolts to > blow out of the rear pinion. You now likely need a rear pinion, new > seals for that and at least a new u-joint. You also might need pinion > bearings depending on how long it was vibrating for. > > You 'cannot' drive it with the driveshaft still in place. It will not > work, the driveshaft will act like a propeller and take out things like > the exhaust, brake lines and gas lines, let along the holes it punches > in the floor pan..... > > You will need to unbolt the front of the driveshaft and put it inside. > > Then you need to 'lock your front hubs' before putting it into 4 high > for the drive home.... > > You also need to be very careful when pulling away at a corner so you > don't stress out the front u-joints too much. > > My CJ7 will run fine up to 60 or 65 mph on front wheel drive with no > issues. If yours vibrates at speed, Slow Down or you will blow a front > u-joint. Then go looking for the bad front one after you limp home. > (only if it vibrates) > > 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... > > jelwell1982@yahoo.com wrote: > > So Here is my problem... > > I have a 1985 Jeep CJ-7 with the inline 6 4.2... > > About 2 weeks ago I developed a vibration when accelerating in 1st > > and > > 3rd around 2500-3000 RPM. I could not figure it out!! I thought i > > might have had an alignment problem or something to do with recently > > greased joints...Well today My driveshaft dropped from the rear-end > > side. The bolts in the connector snapped off. I am thinking either > > from the harmonic balancer or maybe one bolt broke and then the > > vibrations broke the other. Well I decided I would just pull the > > driveshaft, throw it into 4 wheel drive and limp it home like a FWD. > > Well first I could not get the driveshaft off...could not pull it > > from > > the transmission, and could not loosen the bolts. I decided to try > > and > > tie it up so it would spin freely without hurting anything else(yeah > > ghetto I know). But when I put it into 4WD I could shift through the > > gears without hitting the clutch, and the car would not move...?? > > Am i missing something? I thought for sure this would work. I also > > know that my 4WD works. Did I burn out my clutch somehow too? Any > > ideas here...my poor baby is sitting on the highway...I'd rather tow > > it to my house than a mechanic!! > > Thanks for the help > > Jeremy > > -- Posted via a free Usenet account from http://www.teranews.com |
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