C 1500 Truck 2WD V6-4.3L VIN W (2001)
Drive Belt Tensioner: Testing and Inspection
Drive Belt Tensioner Diagnosis
Inspection Procedure
Important: When the engine is operating the drive belt tensioner arm will move. Do not replace the drive belt tensioner because of movement in the
drive belt tensioner arm.
Notice: Allowing the drive belt tensioner to snap into the free position may result in damage to the tensioner.
1. Remove the drive belt.
2. Position a 3/8 inch drive wrench on the drive belt tensioner arm and rotate the arm counterclockwise.
3. Move the drive belt tensioner through it's full travel.
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The movement should~feel smooth
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There should be no binding
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The tensioner should return freely
4. If any binding is observed, replace the drive belt tensioner.
5. Install the drive belt.
