GM Service Manual Online
For 1990-2009 cars only

Front Object Alarm Sensor Replacement LWB SWBRHD

Removal Procedure - Sensor Front

  1. Remove the front bumper fascia assembly. Refer to Front Bumper Fascia Replacement.

  2. Object Number: 1958013  Size: SH
  3. Disconnect the front object alarm sensor electrical connector (1) from the front object alarm sensor (2).

  4. Object Number: 1958033  Size: SH

    Important: Lift the top and bottom housing tabs (1) to release the front object alarm sensor (2) from the front object alarm sensor housing (3).

  5. Remove the front object alarm sensor (2) from the front object alarm sensor housing (3).

Installation Procedure - Sensor Front


    Object Number: 1958033  Size: SH

    Important: Replacement front object alarm sensors (2) are not pre-painted, they will require painting before installation is carried out.

    Important: Ensure that the front object alarm sensor (2) is installed correctly.

  1. Locate the top and bottom housing tabs (1) to install the front object alarm sensor (2) to the front object alarm sensor housing (3).
  2. Press the front object alarm sensor bezel flush to the fascia.

  3. Object Number: 1958013  Size: SH
  4. Connect the front object alarm sensor electrical connector (1) to the front object alarm sensor (2).
  5. Install the bumper fascia assembly. Refer to Front Bumper Fascia Replacement.

Removal Procedure - Wiring Harness Front

  1. Remove bumper fascia assembly. Refer to Front Bumper Fascia Replacement.

  2. Object Number: 1958015  Size: SH
  3. Disconnect the front object alarm sensor electrical connectors (1) from the front object alarm sensors.

  4. Object Number: 1958018  Size: SH

    Important: If required use a suitable tool to pry the wiring harness away from bumper fascia connectors (1).

  5. Remove the front object alarm sensor wiring harness from the bumper fascia connectors (1).

Installation Procedure - Wiring Harness Front


    Object Number: 1958018  Size: SH
  1. Install the front object alarm sensor wiring harness to the bumper fascia connectors (1).

  2. Object Number: 1958015  Size: SH
  3. Connect the front object alarm sensor electrical connectors (1) to the front object alarm sensors.
  4. Install the front bumper. Refer to Front Bumper Fascia Replacement.