GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

DEFINITION: Wear at the outside ribs of the drive belt due to a incorrectly installed drive belt.

1

Check to see if the ribs in the drive belt do not match the grooves in the pulley.

Do the ribs in the drive belt match the grooves in the pulley?

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Go to Step 2

2

Replace the drive belt.

Refer to Drive Belt Replacement .

Is there still excessive wear in either outside groove of the drive belt?

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System OK