Air Injection Pump: Service and Repair
SECONDARY AIR INJECTION (AIR) PUMP REPLACEMENTREMOVAL PROCEDURE
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the hose clamp from the AIR pump supply hose.
3. Disconnect the air hose from the AIR pump.
4. Remove the horn assembly.
5. Mark the location of the air pump in the bracket prior to removal.
6. Remove the AIR pump bracket to frame nuts.
7. Disconnect the AIR pump electrical connector.
8. Remove the AIR pump (1) assembly from the vehicle.
DISASSEMBLY PROCEDURE
1. Remove the wiring harness plug from the assembly bracket (6).
2. Remove the hose clamp.
3. Disconnect the air intake hose.
4. Remove the AIR pump bracket bolts to the meter assembly.
5. Remove the AIR pump (2) from the secondary AIR pump dampening ring (4).
ASSEMBLY PROCEDURE
1. Align the secondary air pump in the original position.
2. Install the secondary air pump (2) to the secondary air pump dampening ring (4).
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the AIR pump to bracket bolts.
Tighten
Tighten the screws to 10 N.m (89 lb in).
4. Connect the air intake hose.
5. Install the hose clamps.
6. Connect the wiring harness plug to the assembly bracket.
INSTALLATION PROCEDURE
1. Install the AIR pump (1 assembly to the vehicle
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the AIR pump bracket to frame nuts.
Tighten
Tighten the nuts to 12 N.m (106 lb in).
3. Install the horn assembly.
4. Connect the AIR pump electrical connector.
5. Connect the air hose to the AIR pump.
6. Install the hose clamp.
7. Lower the vehicle.