Diesel Data: Automotive Repair

Alternator Belt

Removal
1. Remove power steering pump drive belt.

Air Conditioning Compressor And Generator Belt Idler:





2. Loosen idler pulley locking bolt.
3. Loosen the adjusting screw to decrease the idler pulley tension.
4. Remove belt.

Installation

Accessory Drive Belt Routing:





1. Refer to illustration for belt routing.
2. Install drive belt on pulleys.

NOTE: Use Special Tool 7198, Belt Tension Gauge to check belt for proper tension.


3. Tighten the adjusting screw until belt is tensioned to specifications. Refer to Belt Tension Chart for specifications.
4. Tighten idler pulley locking bolt to 54 Nm (40 ft. lbs.). Recheck belt for proper tension and adjust as necessary.
5. Install power steering pump drive belt.

Air Conditioning And Generator Belt Tension Adjustment

Air Conditioning Compressor And Generator Belt Idler:





To adjust the air conditioning and generator drive belt, loosen the idler pulley locking bolt and adjust belt tension by turning adjusting screw. Use Belt Tension Gauge and refer to Belt Tension Chart for specification. Tighten pulley bolt to 54 Nm (40 ft. lbs.) after adjustment.





Belt Tension Chart