Drive Belt: Service and Repair
REMOVALGENERATOR/POWER STEERING BELT
The Poly-V generator/power steering belt has an adjustable tensioner pulley located on the front timing belt cover.
1. Loosen tensioner pulley locking nut.
2. Raise vehicle on hoist.
3. Remove the two push clips attaching lower air shield to engine cradle. Remove air shield.
4. Loosen tensioner adjusting bolt until the belt can be removed.
AIR CONDITIONING BELT
1. Remove generator/power steering drive belt to gain access to the air conditioning drive belt.
2. To remove air conditioning drive belt, first loosen the tensioner pulley lock nut, then loosen the adjusting screw to the tensioner pulley assembly until the belt can be removed (Fig. 6).
CLEANING
Clean all foreign debris from belt pulley grooves. The belt pulleys must be free of oil, grease, and coolants before installing the drive belt.
INSPECTION
Belt replacement under any or all of the following conditions is required:
^ Excessive wear
^ Frayed cords
^ Severe glazing
Poly-V Belt system may develop minor cracks across the ribbed side (due to reverse bending). These minor cracks are considered normal and acceptable. Parallel cracks are not (Fig. 7).
NOTE: Do not use any type of belt dressing or restorer on Poly-V Belts.
INSTALLATION
NOTE: Use Special Tool 7198, Belt Tension Gauge to obtain proper tension on accessory drive belts.
AIR CONDITIONING BELT
1. Install air conditioning belt over drive pulleys. Tighten the tensioner adjusting bolt (Fig. 6) until the belt is at specified tension using a Belt Tension Gauge. Tighten tensioner pulley locking nut to 54 Nm (40 ft. lbs.) (Fig. 6).
2. Install generator/power steering drive belt and adjust to specified tension.
GENERATOR/POWER STEERING BELT
The Poly-V generator/power steering belt has an adjustable tensioner pulley located on the front timing belt cover.
1. Install generator/power steering belt.
2. Tighten adjusting bolt until the specified tension is obtained (Fig. 6).
3. Install lower air shield and attaching push clips.
4. Lower vehicle.
5. Tighten tensioner pulley locking nut to 54 Nm (40 ft. lbs.) (Fig. 6).
ADJUSTMENTS - BELT TENSION
Use belt tension gauge, Special Tool 7198 for conventional V-belts and Poly-V belts.
Adjust the belt tension for NEW or USED belt tension applications.
BELT TENSION CHART-2.7/3.5L ENGINES