Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL VALVE (IAC) REMOVAL AND INSTALLATION





COMPONENTS FOR REMOVAL AND INSTALLATION

IAC VALVE REMOVAL
1. Drain engine coolant.
2. Disconnect IAC valve connector.
3. Remove IAC valve.





- Remove the 2 bolts, and disconnect the AC valve from the air intake chamber.
- Remove the gasket.





- Disconnect these hoses from the AC valve, and remove the AC valve:
(1) Air hose
(2) Water bypass hose (from No.2 water bypass pipe)
(3) Water bypass hose (from No.4 water bypass pipe)





- Remove the seal washer and check valve.


IAC VALVE INSTALLATION
1. Install IAC valve.





- Install the check valve and seal washer.

NOTICE: Be careful of the check valve and seal washer installation direction.

- Connect these hoses:
- Air hose
- Water bypass hose (from No.2 water bypass pipe)
- Water bypass hose (from No.4 water bypass pipe)
- Install a new gasket and the AC valve with the 2 bolts.

Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)

2. Connect IAC valve connector.
3. Fill with engine coolant