Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2009IMPALA V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSAIR INJECTIONAIR INJECTION PUMPSERVICE AND REPAIR
2009 Chevrolet Impala V6-3.5L
Air Injection Pump: Service and Repair
2009 Chevrolet Impala V6-3.5LSECTION Service and Repair
Secondary Air Injection Pump Replacement
Removal Procedure
1. Remove the air cleaner upper housing. Refer to Air Cleaner Assembly Replacement (Service and Repair).
2. From under the hood, disconnect the secondary air injection (AIR) pump hose quick connect fitting (2) from the pump and remove the hose. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
4. Disconnect the AIR feed tube quick connect fitting (2) from the pump. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
5. Disconnect the engine wiring harness electrical connector (1) from the AIR pump wiring harness electrical connector.
6. Squeeze the AIR pump wiring harness electrical connector clip (1) together and push out in order to separate the clip/connector from the bracket.
7. Remove the AIR pump nuts.
8. Lower the vehicle.
9. Reposition the AIR pump feed tube as necessary in order to remove the pump.
10. Remove the AIR pump.
Installation Procedure
1. Install the AIR pump to the bracket.
2. Raise and support the vehicle.
Caution: Refer to Fastener Caution (Fastener Caution).
3. Install the AIR pump nuts.
Tighten the nuts to 10 Nm (89 lb in).
4. Install the AIR pump wiring harness electrical connector clip (1) to the bracket.
5. Connect the engine wiring harness electrical connector to the AIR pump wiring harness electrical connector.
6. Connect the AIR feed tube quick connect fitting (2) to the pump. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
7. Lower the vehicle.
8. From under the hood, position and connect the AIR pump hose quick connect fitting (2) to the pump. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
9. Install the air cleaner upper housing. Refer to Air Cleaner Assembly Replacement (Service and Repair).
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.