Secondary Air Injection (Air) Check Valve/Pipe Replacement - Bank 2

REMOVAL PROCEDURE




1. Remove the AIR hose assembly bolts.




2. Remove the AIR hose assembly and gasket.

IMPORTANT: Perform this last step only if the check valve needs replacement.




3. Separate the check valve from the AIR hose by loosening the retainer clip and hose locknut.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.

IMPORTANT: Ignore the first step if the check valve has not been removed.




1. Connect the AIR hose and check valve by installing the retainer clip and tightening the hose locknut.

Tighten
Tighten the locknut to 10 N.m (89 lb in).

IMPORTANT: Clean the manifold mounting surface of any debris or carbon buildup. An air hole could adversely effect vehicle emissions and driveability.




2. Install the AIR hose and gasket.




3. Install the AIR hose assembly bolts.

Tighten
^ Tighten the mounting bolts to 25 N.m (18 lb ft).
^ Tighten the AIR hose assembly retainer bolt to 40 N.m (30 lb ft).