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Home >> Saturn >> 2005 >> Ion 1 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 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. Connect the IAC valve harness connector (1).
    5. Fig 1: View Of Idle Air Control (IAC) Valve & Throttle Position (TP) Sensor
    GM783168Courtesy of GENERAL MOTORS CORP.
  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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