View Full Version : 1990 F150 drivetrain help
buttersgt350
06-17-2011, 08:56 AM
Im pretty sure it needs u-joints but maybe more. It clunks when i shift between park, drive and reverse. Also when cruising down the road if i let off the gas and get back on it there is a pop sound coming from the rear. I can only hear it if i have the slider window open. Im sure there is someone on here that is good with rear ends and might be able to diagnose/fix. Thanks!
Prince Valiant
06-17-2011, 09:02 AM
keep the slider window closed. Problem solved :goof
The Shaolin
06-17-2011, 09:24 AM
There is always some slop in the joints, sounds normal, somewhat.
Jack one rear wheel in the air, wiggle it back and forth and see what's moving. I traced mine back to the transfer case, prolly pretty normal.
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