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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Engine Controls - Removal, Overhaul & Installation) >> Idle Control Systems >> Idle Air Control Valve >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 2002 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Remove pin-type retainers and remove engine appearance cover, if necessary. Disconnect Idle Air Control (IAC) valve harness connector.
    2. CAUTION: To disconnect Norma type hose fittings, squeeze tabs and pull hose straight back. Failure to squeeze tabs may result in fitting damage.
  2. On 3.9L engines, disconnect air assist hose and idle air by-pass hose from IAC valve. On all models, remove bolts from IAC valve. Lift and remove IAC valve from vehicle and discard gasket.
    3. CAUTION: DO NOT use Carburetor Tune-up Cleaner (D9AZ-19579-BA) or any other type of solvent as damage to valve internal components may result.
  3. Engine control sensor wiring cannot be cleaned. If necessary, new wiring must be installed. Clean gasket mating surfaces. To install, reverse removal procedure. Always install a NEW IAC valve gasket. Tighten IAC valve bolts to specification. See TORQUE SPECIFICATIONS .
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