GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1963153  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the glow plug control unit.
  3. Remove the glow plug control unit retaining nut.
  4. Remove the glow plug control unit.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1963153  Size: SH
  1. Install the glow plug control unit.
  2. the glow plug control unit retaining nut.
  3. Tighten
    Tighten the glow plug control unit retaining nut to 12 N·m (106 lb in).

  4. Connect the glow plug control unit connector.
  5. Install the negative battery cable.