GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1578563  Size: SH
  1. Apply sealer GM P/N 12346004 (Canadian P/N 1095380), or equivalent to the engine block heater.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the engine block heater into the engine block.
  4. Tighten
    Tighten engine block heater to 50 N·m (37 lb ft).


    Object Number: 1578563  Size: SH
  1. Apply sealer GM P/N 12346004 (Canadian P/N 1095380), or equivalent to the engine block heater.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the engine block heater into the engine block and tighten to 50 N·m (37 lb ft).