driveshaft squeak????
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Cargo Master
Joined: Dec 2006
Posts: 3,489
Likes: 45
From: Central NY
driveshaft squeak????
i think i'm going nuts.
the other day, i started hearing a squeak/creak from underneath the rear of my truck....thought it was the 2 week old hitch rubbing on the exhaust....fixed that....
now it appears to have to do with the drivetrain. BUT, it's only when the tranny is in D-2-1, not R. if i'm rolling/idling forward and put her in N, the squeak stops...put back in D, it comes back...but again, not in R.
what the heck could this be????
truck will be at the dealer (forgive me) for an A/C service call/leak and i hate to have them troubleshooting it.
TIA.
the other day, i started hearing a squeak/creak from underneath the rear of my truck....thought it was the 2 week old hitch rubbing on the exhaust....fixed that....
now it appears to have to do with the drivetrain. BUT, it's only when the tranny is in D-2-1, not R. if i'm rolling/idling forward and put her in N, the squeak stops...put back in D, it comes back...but again, not in R.
what the heck could this be????
truck will be at the dealer (forgive me) for an A/C service call/leak and i hate to have them troubleshooting it.
TIA.
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
U-joints will squeak if they need lubrication. They can also clunk when shifting from D to R. You can check by disconnecting the driveshaft at the differential and moving it so as to flex the joint. The joint should move smoothly in any direction without binding or roughness. The joint roller bearings will be loaded on the opposite side (which may be not so dry) in R. Old pinion seals used to squeak when they were cold. [That was a trip down the memory path, as it occurred in at least 57 and 59 models when they were new...]
tom
tom
Last edited by tomw; Aug 28, 2007 at 08:11 AM. Reason: add info
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Cargo Master
Joined: Dec 2006
Posts: 3,489
Likes: 45
From: Central NY
Originally Posted by tomw
U-joints will squeak if they need lubrication. They can also clunk when shifting from D to R. You can check by disconnecting the driveshaft at the differential and moving it so as to flex the joint. The joint should move smoothly in any direction without binding or roughness. The joint roller bearings will be loaded on the opposite side (which may be not so dry) in R. Old pinion seals used to squeak when they were cold. [That was a trip down the memory path, as it occurred in at least 57 and 59 models when they were new...]
tom
tom
I definitely think the left rear axle seal is shot...going to be an expensive day at the dealer, including the AC.
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Cargo Master
Joined: Dec 2006
Posts: 3,489
Likes: 45
From: Central NY
Originally Posted by flcracker9
U-joints. Replace them and your squeak will be gone.
wouldn't they squeak then???
thanks in advance.
More Turbo
Joined: Jun 2006
Posts: 601
Likes: 0
Originally Posted by rsylvstr
then why is it only in D-2-1 and not in R or N???????
wouldn't they squeak then???
thanks in advance.
wouldn't they squeak then???
thanks in advance.
Thread Starter
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Cargo Master
Joined: Dec 2006
Posts: 3,489
Likes: 45
From: Central NY
Originally Posted by flcracker9
Probably because of the way the damaged needle bearings are loaded in the cups. Try putting it in neutral on a flat surface (no load on the driveshaft), with the motor off. Crawl under and try and turn the driveshaft with your hand, also try and move the driveshaft up and down at the joints. There should be no play in the joints whatsoever. Usually once the joint starts to squeak, the bearings are shot and the jount has slop in it. You can also try greasing the joints and see if the squeak goes away?.
just got done moving 16-18 cubic yards of topsoil and trying to get ready for the wedding....
some things, i will just have to pay for convenience
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Cargo Master
Joined: Dec 2006
Posts: 3,489
Likes: 45
From: Central NY
more s hit wrong
it's the rear ujoint...told them while they have the axle out to lube the yoke....
and they still insist that the tierods are shot, even though two independents say they are fine...and now the lower ball joints.
and since the E-brake has never been used (and the shoes removed years ago) the actuators are seized and they want to replace those....at the same time they are replacing the leaking left rear axle seal...so much for the fresh Amsoil i put in.
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
and that's without telling me what's up with the bad A/C
and they still insist that the tierods are shot, even though two independents say they are fine...and now the lower ball joints.
and since the E-brake has never been used (and the shoes removed years ago) the actuators are seized and they want to replace those....at the same time they are replacing the leaking left rear axle seal...so much for the fresh Amsoil i put in.
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
and that's without telling me what's up with the bad A/C
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