GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Throttle Body Air Inlet Screen Replacement

Removal Procedure

    Object Number: 179039 Size: SH
  1. Remove the Intake Air Temperature (IAT) sensor electrical connector (1) from the IAT sensor (2).

    2. Object Number: 210987 Size: SH
  2. Remove the air intake duct from the throttle body.

    3. Object Number: 180140 Size: SH
  3. Remove the snap ring (3) from the throttle body (1).
  4. Remove the throttle body air inlet screen (2) from the throttle body (1).

Installation Procedure

    Object Number: 180140 Size: SH
  1. Install the throttle body air inlet screen (2) into the throttle body (1).
  2. Install the snap ring on to the throttle body.

    3. Object Number: 210987 Size: SH
  3. Install the air intake tube.

    4. Tighten
    Tighten the air intake tube clamp to 2 N·m (18 lb in).


    Object Number: 179039 Size: SH
  4. Install the IAT sensor electrical connector (1) to the IAT sensor (2).