Colorado 4WD L4-2.9L (2008)
Air Injection Pump: Service and Repair
Secondary Air Injection Pump Replacement
Removal Procedure
1. Open the hood.
2. From under the hood, disconnect the secondary air injection (AIR) pump inlet hose quick connect fitting (1) from the pump. Refer to Plastic Collar
Quick Connect Fitting Service (See: Fuel Delivery and Air Induction/Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting
Service) .
3. Disconnect the AIR pump outlet hose quick connect fitting (2) from the pump. Refer to Plastic Collar Quick Connect Fitting Service (See: Fuel
Delivery and Air Induction/Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting Service) .
4. Remove the engine shield. Refer to Engine Protection Shield Replacement (See: Body and Frame/Frame/Skid Plate/Service and Repair) .
5. Disconnect the engine wiring harness electrical connector from the AIR pump wiring harness electrical connector.
