Coolant Cavity Cover

REMOVAL:

1. Remove throttle body assembly, see THROTTLE BODY HOUSING for procedure.
2. Remove coolant cover attaching screw assemblies.
3. Remove coolant cavity cover.
4. Clean and inspect O-ring sealing surfaces, for damage and corrosion. Replace coolant cavity cover or throttle body if necessary.

INSTALLATION:

1. Lubricate the new coolant cover O-ring with Ethylene Glycol antifreeze.
2. Place the O-ring in the cavity of the throttle body.
3. Position the coolant cavity cover onto the throttle body, and hold it in place.
4. Install the coolant cavity cover attaching screws, and tighten to 3.0 Nm (27 lb.in).
5. Reinstall throttle body, see THROTTLE BODY HOUSING for procedure.
6. Connect the negative battery cable.


IDLE LEARN PROCEDURE: Any time the battery is disconnected, the programmed position of the IAC valve pintle is lost, and replaced with a default value. To return the IAC valve pintle to the correct position, perform the following procedure:

1. After restoring battery power, connect the Tech 1 "Scan" tool.
2. Select "IAC System," then select "Idle Learn" in the "Misc. Test" mode.
3. Proceed with idle learn as directed.
^ This procedure allows the ECM memory to be updated with the correct IAC valve pintle position, for the vehicle, and provide a stable idle speed.