rear end clunk
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rear end clunk
on my 1998 f150 4x4 i am also getting a rear end clunking noise .It seems to happen on acceleration but only certain times ,not always ,it almost sounds like axle wrap ,All ujoints are good ,leafsprings tight ... I have read the posts about the fluid in the rear end needing replacement but not sure if this is the problem. The shocks are tight and when off seem to be working okay . The clunk is not right away ,it is a few feet ahead that it happens upon accelaration ,and not always,i checked to see if brakes were locking up occasionally ,checked leaf springschecked ujoints ?????????i might replace oil in diff and replace shocks to see if this helps....ANY INFO WOULD BE APPRECIATED
Hotshot
Joined: Aug 2002
Posts: 12,679
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From: BC, Canada
Hi Joey and welcome to the forum 
If it only does it when taking off from a stop I think you might have the dry slip yoke syndrome. The driveshaft slip yoke, where it goes into the transfer case, can bind on the transfer case output shaft and cause a clunk, usually just after taking off.
You can remove the rear driveshaft and lube the splines inside the slip yoke with some good grease and see if it goes away. Ford makes Teflon grease for this but usually any good grease will work.
If it only does it when taking off from a stop I think you might have the dry slip yoke syndrome. The driveshaft slip yoke, where it goes into the transfer case, can bind on the transfer case output shaft and cause a clunk, usually just after taking off.
You can remove the rear driveshaft and lube the splines inside the slip yoke with some good grease and see if it goes away. Ford makes Teflon grease for this but usually any good grease will work.
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super duper
racer guy, i tried your suggestion and after doing and checking countless other things,,, you suggested to check and lube up my slip joint{wife was happy too !}well IT WORKED ALL CLUNKING IS GONE And it actually seems smoother ,,,trulllllly appreciated........racer guy rules!!!!!! have a good day guys,,,,pretty soon hunting season in my neck of the woods (deer ,moose ,bear,partridge)good luck too alll!!!!
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johnanderson
Brakes, Steering, Suspension, Tires, & Wheels
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Dec 4, 2003 12:06 AM
