K 3500 Truck 4WD V8-454 7.4L VIN J SFI (1996)
Diagram
Diagram
Removal Procedure
Notice: The Air Injection Reaction (AIR) pump is a positive displacement vane type which is permanently lubricated and requires no periodic
maintenance.
1. Remove the drive belt. Refer to Engine Cooling.
2. Disconnect the AIR pump electrical connector
3. Disconnect the AIR air cleaner hose to pump.
4. Disconnect the AIR output hose at the AIR pump.
5. Remove the bolts holding the pump to the mounting brackets.
6. Remove the pump.
Installation Procedure
1. Install the AIR pump.
2. Install the AIR pump mounting bolts.
3. Connect the electrical connector.
4. Connect the AIR pump output hose to the AIR pump.
5. Connect the AIR air cleaner hose to the AIR pump.
6. Install the pump drive belt. Refer to Engine Cooling.
