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Home >> Chevrolet >> 2000 >> Express 1/2 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Air Injection >> Air Injection Pump >> Service and Repair
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Air Injection Pump: Service and Repair

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.




1. Disconnect the negative battery cable.
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Remove the inlet (3) and outlet (2) AIR hoses from the pump assembly by loosening the spring clamps.




4. Disconnect the electrical connectors (1,2) from the AIR pump and the AIR valve.




5. Remove the AIR pump mounting bolts.
6. Remove the AIR pump.

INSTALLATION PROCEDURE




1. Align the AIR pump bracket with the mounting holes.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the AIR pump mounting bolts.

Tighten
Tighten the bolts to 17 N.m (13 lb ft).




3. Connect the electrical connectors (1,2) to the AIR pump and the AIR valve.




4. Connect the inlet (3) and outlet (2) hoses to the AIR pump assembly with the spring clamps.
5. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in Vehicle Lifting.
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