Pontiac Workshop Service and Repair Manuals

Idle Speed/Throttle Actuator - Electronic: Service and Repair
Idle Air/Vacuum Signal Housing

Throttle Body Assembly

REMOVE OR DISCONNECT:

1.

Negative battery terminal.

2.

Vacuum harness connector.

3.

IAC valve electrical connector.

4.

Idle Air Control (IAC) valve.

5.

Idle air/vacuum signal housing screws.

6.

Idle air/vacuum signal housing assembly and gasket. Discard gasket.

7.

Clean gasket mounting surfaces to ensure a good seal.