Drive Belt: Service and Repair

Fig. 20 Automatic Belt Tensioner Assembly:

The automatic tensioner is equipped with an indexing arrow on the back of tensioner housing. If a new belt is being installed, arrow must be within approximately 1/8 inch of point B indexing mark. If an old belt is being used, it must not pass indexing point marked A, Fig.20.

REMOVAL

Fig. 21 Serpentine Drive Belt Removal:

1. Attach a suitable wrench to automatic tensioner pulley mounting bolt, Fig.21.
2. Rotate tensioner assembly clockwise until tension has been relieved.
3. Remove belt from idler puller, then from vehicle.

INSTALLATION

CAUTION:
Serpentine belt must be routed correctly. If routed incorrectly water pump will rotate in wrong direction and engine will overheat.

1. Position drive belt over all pulleys except idler pulley.
2. Attach a suitable wrench to automatic tensioner pulley mounting bolt.
3. Rotate wrench clockwise, place belt over idler pulley, then allow tensioner to rotate back into place. Ensure belt is properly seated on all pulleys.
4. Check belt indexing.