Removal Procedure
- Remove the air compressor. Refer to 
Air Compressor Replacement
 .
 
- Remove the nut and the washer from the crankshaft.
 
- Remove the air compressor gear.
 
- Inspect the air compressor gear mounting surface. Replace the air compressor if you detect damage to the air compressor gear mounting surface or the keyway.
 
Installation Procedure
Important: The air compressor crankshaft gear nut must reach the listed torque at a minimum. If minimum torque is not met the gear could come loose. 
- Install the air compressor gear.
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the air compressor gear washer and the air compressor gear nut onto the crankshaft.
 
Tighten
Tighten the air compressor crankshaft gear nut to 250 N·m plus 50 minus 0 (185 lb ft plus 35 minus 0).
- Install the air compressor. Refer to 
Air Compressor Replacement
 .