I need to replace my alternator, but how do I get the belt off

Asked by Nov 28, 2013 at 10:36 AM about the 2000 Pontiac Grand Am SE

Question type: Maintenance & Repair

2 Answers

223,735

Rotate the Belt tensioner using a wrench to remove the belt first, then you can remove the alternator.

2 out of 2 people think this is helpful.
4,325

If you don't know, the tensioner puts strain (tension) on the belt and is easily moved to loosen the belt. Look for a small (about 3-4" dia) roller in the belt path with a square key hole in the middle. Use a ratchet head of the same drive size as the hole (probably 1/2") and rotate the tensioner away from the belt. Pull the belt loose and allow the tensioner to relax. Now remove and re-install your alternator. To re-install the belt, reverse this process to get the belt back over the tensioner as the last pulley in the belt route. Remember to have a sketch of the original belt routing or make sure the decal under the hood shows the correct routing before removing the old belt.

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