GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.

  1. Remove the oil filler cap.
  2. Disconnect the IAC valve electrical connector.
  3. Remove the 2 retaining screws.
  4. Remove the IAC valve.

Installation Procedure

    Important: You can re-use the original gasket if the gasket is still in good condition.

  1. Thoroughly clean any gasket material from both of the sealing surfaces.
  2. Install the gasket.
  3. Install the IAC valve and tighten screws to 3 N·m (27 lb in).
  4. Connect the IAC valve electrical connector.
  5. Install the oil filler cap.