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Air Injection Control Valve: Service and Repair

SECONDARY AIR INJECTION (AIR) SHUT OFF VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Remove the vacuum line from the AIR pump shut-off valve (4) vacuum port.




2. Remove the AIR hose (2) from the AIR pump shut-off valve inlet port.




3. Remove the AIR hoses from the AIR pump shut-off valve outlet ports.




4. Loosen but do not remove the retaining bolt at the rear of the cylinder head for the AIR pump shut-off valve bracket.
5. Remove the retaining nut for the AIR pump shut-off valve bracket.
6. Remove the AIR pump shut-off valve.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.




1. Install the AIR pump shut-off valve.

Tighten
1.1. Tighten the retaining bolt for the AIR pump shut-off valve to 20 N.m (14 lb ft).
1.2. Tighten the retaining nut for the AIR pump shut-off valve nut to 12 N.m (8 lb ft).




2. Install the AIR hoses to the AIR pump shut-off valve outlet ports.




3. Install the AIR hose (2) to the AIR pump shut-off valve inlet port.




4. Install the vacuum line to the AIR pump shut-off valve (4) vacuum port.
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