Another Clunk sound question..

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by smartpatrol, May 16, 2002.

  1. smartpatrol

    smartpatrol Registered Member

    Feb 6, 2002
    Likes Received:
    Ault CO
    Okay looking for opinions. I have a SM465/NP208 combo on my blazer. When i let off the clutch from 1st to 2nd and apply engine torque to the trasmission i hear a clunk sound coming from the drive train. it doesn't do it on any other gear change. The transmission bushings look good and are tight still after 20 years. The U joints all the way back look fine. maybe transfer case belt slack? THanks in advance.

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