ENGINE SHAKES AT IDLE

Asked by Aug 03, 2011 at 11:06 PM about the 2002 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

I JUST CHANGED THE SERPENTINE BELTS, ONLY 37000 MI. COULD THIS BE A HARMONIC BALANCER PROBLEM. SMOOTHS OUT DURING ACCELERATION,

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Doughtful unless its lose.

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