Having problems with your Chevrolet Silverado ?
Throwing belts ive got a 83 blazer with a 350 no a/c a few days ago the main pulley started wabbling and it threw the 2 belts what is the cause
If you mean the bottom pulley on the crank, I would suspect the rubber is coming unglued from the steel and so it should be replaced. If you mean the main pulley where the fan is mounted I would look to see if maybe the 4 bolts there have worked loose. Failing that the water pump is most likely bad and will need replacing. Hope this helps.
Repair Help & Product Troubleshooting for Chevrolet Silverado
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