Inspect the belts for signs of glazing or cracking. A glazed belt will be perfectly smooth from slippage, while a good belt will have a slight texture of fabric visible. Cracks will usually start at the inner edge of the belt and run outward. All worn or damaged drive belts should be replaced immediately. It is best to replace all drive belts at one time, as a preventive maintenance measure, during this service operation.
Every 4 months or 6,000 miles inspect the alternator and air conditioning drive belts for wear, fraying, cracking, and tension. Replace any defective belts immediately. Adjust loose belts to the proper deflection. Replace the drive belts every 24 months or 24,000 miles.
TENSION CHECKING & ADJUSTING
Check belt tension by applying moderate thumb pressure to the belt at a point midway between the pulleys. If the center-to-center distance between the pulleys is 13-16 inches, belt deflection should be 1 / 2 in.
Loosen the component's adjusting bolt and move the component until proper belt tension is achieved. Tighten the adjusting bolt.