Idle Air Control/Coolant Cover Assembly

Throttle Body Removal:

Idle Air Control/Coolant Cover Assembly:

REMOVAL:

1. Disconnect the negative battery cable.
2. Remove the throttle body from the engine, see THROTTLE BODY HOUSING.
3. Remove IAC valve assembly and gasket, discard gasket.
4. Remove IAC valve cover assembly screws.
5. Remove coolant cover assembly and gasket, discard gasket.
6. Clean the gasket sealing surface.
7. Inspect the gasket sealing surface for corrosion or damage that would cause a coolant leak. Replace the cover assembly or throttle body if necessary.

INSTALLATION:

1. Install a new IAC valve/coolant cover gasket.
2. Install the IAC valve/coolant cover assembly.
3. Install and tighten the cover screws to 3.0 Nm (27.0 lb.in).

Idle Air Control Valve Assembly:

NOTE: If installing a new IAC valve, measure the distance between the tip of the pintle and the mounting surface.
^ If greater than 28 mm, use finger pressure to slowly retract the pintle. The force required to retract the pintle of a new valve will not cause damage to the valve.

4. Install the IAC valve assembly with a new gasket.
5. Using a socket or box wrench on the valve hex, tighten to 18 Nm (13 lb.ft).
6. Install throttle body onto the engine.
7. Connect the negative battery cable.
8. Reset the IAC valve pintle position:
a. Depress the accelerator slightly.
b. START and run the engine for five seconds.
c. Turn the ignition OFF for ten seconds.
d. RESTART the engine and check for proper idle operation.