GM Service Manual Online
For 1990-2009 cars only

Coupe and sedan front doors use a cross arm regulator.

Removal Procedure


    Object Number: 378871  Size: SH
  1. Remove window regulator assembly. Refer to Door Window Regulator Replacement .
  2. Drill hole (3) through window regulator sector gear and backplate.
  3. Install bolt and nut to lock sector gear into position.
  4. Remove rivets by drilling out rivets with drill.
  5. Remove regulator motor (2) from regulator (1).

Installation Procedure


    Object Number: 378871  Size: SH
  1. Install regulator motor (2) to regulator (1).
  2. Install rivets with rivet gun.
  3. Remove bolt and nut used to secure sector gear.
  4. Remove window regulator assembly. Refer to Door Window Regulator Replacement .