gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Drive Belt Tensioner|Testing and Inspection|Page 2953 > < Engine - Serpentine Drive Belt Wear Information|Page 2949
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Drive Belt Tensioner: Testing and Inspection

REMOVE OR DISCONNECT

1. Negative battery cable. 
2. Multiple ribbed drive belt. 

^

Move the drive belt tensioner through its full travel.

CAUTION:  Do not allow the drive belt tensioner to snap Info the "free" position. This may result in damage to the tensioner.

^

Movement should feel smooth and return freer, without any binding. If any binding is observed replace the tensioner.

INSTALL OR CONNECT

1. Multiple ribbed drive belt. 
2. Negative battery cable.

Drive Belt Tensioner|Testing and Inspection|Page 2953 > < Engine - Serpentine Drive Belt Wear Information|Page 2949