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    1988 Oldsmobile Cutlass Supreme FWD 2.8L FI OHV 6cyl

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    See Details

    U-Joint (Universal Joint)

    Inspect/Service/Replace

    • Inspect the driveshaft, carrier bearing, companion flange, pinion seal, pinion bearing, and transmission housing and bearing.
    • Your car may contain more than one U-joint. Be sure to check them all.
    • A failed U-joint or damaged drive shaft can exhibit a variety of symptoms. A clunk that is heard when the transmission is shifted into gear is the most obvious. You also encounter unusual noise, roughness, or vibration.
    • As a general guide, a worn U-joint is most noticeable during acceleration or deceleration and is less speed sensitive than an unbalanced tire (commonly occurring in the 30 to 60 mph 50 To 100 Km/H range) or a bad wheel bearing (more noticeable at higher speeds).
    • Inspect the U-joint's grease seals for signs of rust, leakage, or lubrication breakdown.
    • Check for excessive joint movement by firmly grasping and attempting to rotate the coupling yokes back and forth in opposite directions. If any perceptible trunnion-to-bearing movement is felt, the joint should be replaced.
    Testing U-joints for signs of obvious damage.

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