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Home >> Pontiac >> 2003 >> Vibe L4-1.8L VIN L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Idle Speed/Throttle Actuator - Electronic >> Service and Repair
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Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the electrical connector (2) to the idle air control (IAC) valve (1).
2. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.




3. Disconnect the two coolant hoses (2) to the IAC valve.
4. Remove the fasteners retaining the IAC valve (3).
5. Remove the IAC valve (4) from the throttle body (1).
6. Remove any remaining IAC valve gasket (4).

INSTALLATION PROCEDURE




1. Install a new IAC valve gasket (4).
2. Install the IAC valve (3) to the throttle body.
3. Install the fasteners that retain the IAC valve.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the fasteners to 3.7 N.m (33 lb in).

4. Connect the two coolant hoses (2) to the IAC valve.




5. Connect the electrical connector (2) to the IAC valve (1).
6. Refill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
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