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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1348 (Engine Control System (Introduction) -- 1.8L (LNK)) >> Repair Instructions >> Idle Air Control (IAC) Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Throttle Body, Coolant Hoses, IAC Valve And Gasket
    GM828869Courtesy of GENERAL MOTORS CORP.
  1. Install a new IAC valve gasket (4).
  2. Install the IAC valve (3) to the throttle body.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the fasteners that retain the IAC valve.

    Tighten:  Tighten the fasteners to 3.7 N.m (33 lb in).

  4. Connect the two coolant hoses (2) to the IAC valve.
    5. Fig 2: Idle Air Control (IAC) Valve And Electrical Connector
    GM828867Courtesy of GENERAL MOTORS CORP.
  5. Connect the electrical connector (2) to the IAC valve (1).
  6. Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
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