Air Check Valve/Pipe Replacement - Bank 2

REMOVAL PROCEDURE

CAUTION: Allow the engine to cool before servicing the secondary air injection AIR system in order to reduce the chance of severe burns.

1. Disconnect the clamp and the AIR hose from the AIR check valve.
2. Disconnect the vacuum line from the check valve.
3. Remove the AIR pipe nut from the air pipe bracket.
4. Disconnect the AIR pipe assembly from the adaptors on the right exhaust manifold.
5. Remove the right AIR pipe assembly from the manifold.
6. Remove the two bolts from the bottom of the check valve.
7. Seperate the check valve from the AIR pipe.

INSTALLATION PROCEDURE
1. Reinstall the 2 bolts through the pipe into the check valve.
2. Place the check valve/pipe assembly onto the bracket stud and manifold adaptors.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Tighten the pipe to the manifold adaptors.
4. Reinstall the nut on the bracket stud.

Tighten
Tighten the locknut to 10 N.m (88 lb in).

5. Connect the vacuum line to the check valve.
6. Connect the clamp and the AIR hose to the AIR check valve.