GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1996 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.0L and 4.6L 🢒 Idle Air Control Valve Replacement

Removal Procedure

    Object Number: 18398 Size: SH
  1. Remove the IAC Valve (1) electrical connector.
  2. Remove the two IAC valve attaching screws (4).
  3. Remove the IAC valve (1) from the throttle body.

Installation Procedure

    Object Number: 18398 Size: SH
  1. Install the new IAC O-ring.
  2. Install the IAC valve (1) to the throttle body and tighten the screws (4).

    3. Tighten
    Tighten the screws to 2.3 N·m (20 lb in).

  3. Connect the IAC valve electrical connector.