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Home >> Pontiac >> 2005 >> Sunfire Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L - Introduction >> Repair Instructions >> Idle Air Control (IAC) Valve Replacement >> Installation Procedure
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Installation Procedure

  1. Lubricate the IAC valve seal with clean engine oil.
  2. Install the IAC valve into the throttle body.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: Install a new screw when replacing the IAC valve.
  3. Install the IAC valve screw.

    Tighten:  Tighten the IAC valve screw to 3 N.m (27 lb in).

    4. Fig 1: View Of Idle Air Control (IAC) Valve & Throttle Position (TP) Sensor
    GM783168Courtesy of GENERAL MOTORS CORP.
  4. Connect the IAC valve harness connector (1).
  5. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  6. Reset the IAC valve pintle using the following procedure:
    1. Turn ON the ignition, with the engine OFF.
    2. Turn OFF the ignition for 10 seconds.
    3. Start the engine and check for proper idle operation.
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