New Drive belt walking off crank or idler pulley within seconds.

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Replaced tensoner arm assembly 3 months back. Installed new belt today and almost instantly walked off. Returned to store and verified belt is correct size. New tensoner arm looks a little askew to myself, and hoping that is my culprit. Replacing it tomorrow with my fingers crossed. Could it be my crank pulley?

Vicmc23 in Athens GA

May 10, 2016

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New Drive belt walking off crank or idler pulley within seconds.

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Vicmc23 in Athens GA

May 10, 2016

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stevieray1on May 10, 2016

87.5 inches, 6 rib belt.why replacing belt now,was it not changed when the new tensioner assembly installed 3 months ago?

Vicmc23on May 11, 2016

The belt still looked in good shape, and still looks pretty good today, no visible cracks or fraying edges. Also, money is not abundant for me. Returned the tensioner also today and got a new one, but it looks pretty clear the crank/harmonic balancer is causing the issues. It is out atleast 1/4 inch if not 3/8 inch further than it's peers.

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2000 Chevrolet Venture. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.