GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Position the sunroof window to the vent position.
  2. Pull the rubber lifter arm bumper from the rear of the lifter arm.

Installation Procedure

  1. Push the lifter arm bumper through the hole in the rear of the lifter arm.
  2. Apply a drop of rubber sealant, GM P/N 123445739, or equivalent, to the rubber bumper before pressing through the hole

  3. Close the sunroof.