Air Injection: Service and Repair

Secondary Air Injection (AIR) system components, removing and installing
Component locations. Refer to Secondary Air Injection (AIR) system, overview.
Fuel injection and ignition components.

Note: Always replace gaskets and seals.

A - Combination valve, left
- Remove engine coolant expansion tank from bracket.





- Disconnect vacuum line -1-.
- Disconnect connection tube -2- from combination valve.
Tightening torque: 10 Nm (7 ft. lbs.).
- Remove bolts -3- for combination valve from cylinder head and remove valve.
Tightening torque: 10 Nm (7 ft. lbs.).

B - Combination valve, right





- Remove intake air duct between Mass Air Flow (MAF) sensor and intake air elbow (three -arrows- on right).
- Remove intake air elbow from throttle body connector.
- Disconnect harness connector for Evaporative Emission (EVAP) canister purge regulator valve (left arrow) and pull valve out of bracket.
- Disconnect harness connector at MAF sensor.





- Turn connector tube for AIR pump 1/4-turn (45°) to right and pull forward off air cleaner.
- Remove air cleaner housing.
Tightening torque: 20 Nm (15 ft. lbs.).





- Remove vacuum line -1-.
- Disconnect connection tube -2- from combination valve.
Tightening torque: 10 Nm (7 ft. lbs.).
- Remove bolts -3- for combination valve from cylinder head and if necessary, remove bracket -4- from cylinder head.
- Bolt -3- tightening torque: 10 Nm (7 ft. lbs.).
- Bracket -4- tightening torque: 20 Nm (15 ft. lbs.).
- Remove combination valve.

C - Secondary Air Injection (AIR) pump motor





- Remove noise insulation panel (arrows).
- Remove front bumper.
- Move lock carrier into service position.





- Remove air duct to generator at front of air shroud.
- Disconnect connection at connector tube to AIR pump combination valves (left arrows), pull down to remove and cut tie wraps.
- Remove three bolts on AIR pump (lower right arrows) but do not remove nuts.
- Remove pump toward rear from bracket.
- Remove connection line on AIR pump to air cleaner.





- Turn connector tube for AIR pump 45° to right and disconnect.
- Remove air AIR pump.

Installing
Installation is the reverse of removal.