Secondary Air Injection Check Valve and Pipe Replacement Left Bank AIR Check Valve

1. Remove the hose/clamp assembly from the check valve.
2. Remove the retaining nut securing the AIR pipe to the engine block.
3. Remove the AIR pipe from the left bank exhaust manifold.

Important: Inspect the exhaust manifold for a missing, plugged or damaged AIR system baffle. If a problem is found, replace as necessary.

4. Remove the AIR check valve from the pipe assembly.

1. Install the AIR Check valve to the pipe assembly.

Tighten:
Torque the assembly to 25 N·m (18 lb. ft.).

2. Install the AIR pipe assembly to the exhaust manifold.

Tighten:
Torque the nut to 35 N·m (26 lb. ft.).

3. Install the retaining nut securing the AIR pipe to the engine block.

Tighten:
Torque the nut to 10 N·m (8 lb. ft.).

4. Install the hose/clamp assembly to the check valve.

Secondary Air Injection Check Valve and Pipe Replacement Right Bank AIR Check Valve

Notice: On-vehicle service of the Right Bank AIR Check Valve requires lowering the engine cradle. Refer to On-Vehicle Service, Power Rack and Pinion Assembly in Section 3B.

1. Raise the vehicle.
2. Remove the left and right front wheel assemblies.
3. Lower the vehicle frame. Refer to Power Rack and Pinion service procedures in Steering/Suspension.
4. Remove the hose/clamp assembly from the check valve.
5. Remove the retaining bolt from the AIR pipe support bracket.
6. Remove the right AIR pipe assembly from the exhaust manifold.

Important: Inspect the exhaust for a missing, plugged or damaged AIR system baffle. If a problem is found, replace as necessary.

7. Remove the right bank AIR Check valve from the pipe assembly.

1. Install the right bank AIR check valve to the AIR pipe assembly.

Tighten:
Torque the assembly to 25 N·m (18 lb. ft.).

2. Install the right AIR pipe assembly to the exhaust manifold.

Tighten:
Torque the nut to 35 N·m (26 lb. ft.).

3. Install the retaining bolt for the AIR pipe support bracket.

Tighten:
Torque the nut to 10 N·m (8 lb. ft.).

4. Install the hose/clamp assembly to the check valve.
5. Raise the vehicle frame. Refer to Power Rack and Pinion Service procedures in Steering/Suspension.
6. Install the left and right front wheel assemblies.

Tighten:
Torque the wheel lug nuts to 140 N·m (104 lb. ft.)

7. Lower the vehicle.

Secondary Air Injection Check Valve and Pipe Replacement AIR Pipes

1. Raise the vehicle.
2. Remove the right front wheel assembly.
3. Remove the right inner fender access cover.
4. Remove the hose/clamp from the right bank check valve.
5. Remove the hose/clamp from the left bank check valve.
6. Remove the feed pipe assembly retaining clips and bolts.
7. Remove the hose/clamp connecting the AIR feed pipe assembly to the AIR pump.
8. Remove the feed pipe assembly.

1. Install the AIR feed pipe assembly.
2. Install the feed pipe assembly retaining clips and bolts.

Tighten:
Torque the bolts to 8 N·m (70 lb. in.)

3. Install the hose/clamp to the left bank check valve.
4. Install the hose/clamp to the right bank check valve.



5. Install the hose/clamp connecting the AIR feed pipe to the AIR pump assembly.
6. Install the right inner fender access cover.
7. Install the right front wheel and tire assembly.

Tighten:
Torque the wheel lug nuts to 140 N·m (104 lb. ft.)

8. Lower the vehicle.