Air Injection Check Valve: Service and Repair

REMOVAL PROCEDURE
1. Disconnect the air hoses.
2. Remove the AIR check valve (3).
3. Remove the upper exhaust manifold heat shield.
4. Remove the AIR pipe from the exhaust manifold.
^ Air pipe Bank 1 (1)
^ Air pipe Bank (2)
^ Air pipe Center (4)

INSTALLATION PROCEDURE

IMPORTANT: Before installing the AIR pipes, always use anti-seize compound 5613695 or equivalent.

1. Install the AIR pipe from the exhaust manifold.
^ Air pipe Bank 1 (1)
^ Air pipe Bank (2)
^ Air pipe Center (4)

2. Install the upper exhaust manifold heat shield.
3. Install the AIR check valve (3).
4. Reconnect the air hoses.