Ford Mustang (1999-2004) Service Manual: Idle Air Control (IAC) Valve - 3.8L

Removal

1. Disconnect the battery ground cable. For additional information, refer to Section.

2. NOTE: Discard the idle air control (IAC) valve gasket.

Remove the IAC valve.

  • Disconnect the connector.
  • Remove the two bolts, the IAC valve and the gasket.

Idle Air Control (IAC) Valve - 3.8L

Installation

1. To install, reverse the removal procedure.

Idle Air Control (IAC) Valve - 3.8L

    Throttle Position (TP) Sensor
    Removal NOTE: The 3.8L engine is shown; the 4.6L (2V) is similar. 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Remove the throttle position (TP) s ...

    Idle Air Control (IAC) Valve - 4.6L (2V)
    Removal 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. NOTE: Discard the idle air control (IAC) valve gasket. Remove the IAC valve. Disconnect ...

    Other materials:

    Wheel Hub or Axle Flange Bolt Circle Runout
    NOTE: The brake discs must be removed to carry out all runout measurements. 1. Position the special tool perpendicular to the wheel hub or axle flange bolt, as close to the hub or flange face as possible. Zero the indicator to allow the pointer to deflect ...

    Noise, Vibration and Harshness (NVH) (Description and Operation)
    Noise is any undesirable sound, usually unpleasant in nature. Vibration is any motion, shaking or trembling, that can be felt or seen when an object moves back and forth or up and down. Harshness is a ride quality issue where the vehicle's response to the ro ...

    Disassembly
    Initial disassembly 1. Remove the differential housing cover (4033) and drain the lubricant into a suitable container. 2. Wipe the lubricant from the internal working parts and inspect the parts for wear and damage. 3. Using the special tool, measure and n ...