Secondary Air Injection Check Valve/Pipe Replacement - Bank 2
REMOVAL PROCEDURE1. Remove the intake manifold.
CAUTION: Allow the engine to cool before servicing the secondary air injection AIR system in order to reduce the chance of severe burns.
2. Remove the clamps and AIR hoses from the AIR system right pipe.
3. Remove the AIR pipe bolt from the cylinder head.
4. Remove the right AIR pipe from the manifold.
5. Unscrew the check valve from the AIR pipe.
6. Before replacing a check valve, test the valve for proper operation.
6.1. Install a vacuum pump to the nipple side of the check valve AIR pump side.
6.2. Pump the vacuum pump to 10 inches Hg and observe the gauge.
6.3. Replace the check valve if the vacuum bleeds down to zero within 5 seconds.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Screw the check valve onto the AIR pipe.
Tighten
Tighten the check valve to 23 N.m (17 lb ft).
2. Connect the right AIR pipe to the exhaust manifold.
Tighten
Tighten the AIR pipe to the exhaust manifold to 20 N.m (15 lb ft).
3. Install the AIR pipe bolt from the cylinder head.
4. Install the hose and the clamp to the check valve.
5. Install the intake manifold.
6. Check the AIR system for proper operation.
7. Connect the negative battery cable.
8. Program the transmitters. Refer to Transmitter Programming in Keyless Entry.