Diagnosing Bad U-joints

by 1986chevyman on Aug 06 2018, 2:39 PM

Elite Tech

When diagnosing bad u-joints, I always first look for rust coming out of the u-joint caps.

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2 Replies
  • By ahays000

    In my experience looseness and clunking noise is the first indication of bad u joints. also pulling the driveshaft and checking needle bearings in extreme cases may be necessary.

     

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  • By jeffreyd1
    We live in a drier climate so rust is seldom the 1st symptom we see. Usually we check in neutral w/ the truck in the air & just check for looseness. 
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