GM Service Manual Online
For 1990-2009 cars only

Rearview Mirror Support Installation with Rainsensor

Removal Procedure


    Object Number: 1937029  Size: SH
  1. Remove the inner rearview mirror from the retaining plate.
  2. • Release the rain sensor cover.
    • Disconnect the wiring harness plug (1).
    • Compress the clamp (2) and pull the mirror downwards to remove.
  3. Clean the windshield in the area to be cemented with glass cleaner.
  4. Place masking tape around the area on the windshield where the retaining plate is to be cemented.
  5. Gently sand the retaining plate (grain P100) and clean.

Installation Procedure


    Object Number: 1938681  Size: SH
  1. Affix the retaining plate.
  2. • Mix the 2-component adhesive GM P/N 89021329 (Canadian P/N 89020893) in accordance with the instructions and apply to the retaining plate approximately 1 mm (0.039 in) thick.
    • Only press the retaining plate lightly onto the windshield.
    • Fasten the retaining plate. Retaining plate position:
       - I = 20 mm (0.78 in) from edge of molded headlining.
       -  II = middle windshield.
  3. Install the interior rearview mirror.
  4. 2.1. Replace the mirror and listen for the click.
    2.2. Connect the wiring harness plug.
    2.3. Install the rain sensor cover.

Rearview Mirror Support Installation without Rainsensor

Removal Procedure


    Object Number: 1944502  Size: SH
  1. Detach the inside rearview mirror.
  2. Unlock the mirror downward and remove.

  3. Clean the windshield in the area to be cemented with glass cleaner.
  4. Place the masking tape around the area on windshield where the retaining plate is to be cemented.
  5. Gently sand the retaining plate (grain P100) and clean.

Installation Procedure

  1. Affix the retaining plate.
  2. • Mix the 2-component adhesive GM P/N 89021329 (Canadian P/N 89020893) in accordance with the instructions and apply to the retaining plate approximately 1 mm (0.039 in) thick.
    • Only press the retaining plate lightly onto the windshield.
  3. Attach the interior rearview mirror.
  4. Replace the mirror and listen for the click.