GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 583048  Size: SH
  1. Remove the standard electrochromatic mirror glass assembly (3) from the housing (1) of the outside rear view mirror assembly.
  2. • Manually tilt the mirror glass assembly inboard towards the vehicle.
    • Insert your fingers behind the mirror glass and gently pull the assembly from the housing.
  3. Disconnect the electrical connectors.
  4. If one or both of the actuator shaft(s) (5 ,8) come off with the mirror glass assembly perform the following procedure:
  5. • Push the actuator in the direction of one of the two slots of the molded ring where the actuator ball attaches and disengage it from the mirror glass assembly.
    • Ensure that the actuator springs (7) are not pushed down on the actuator shafts but are seated in the groove provided.
    • Install the actuator shaft(s) (5, 8) on to the mirror assembly power drive unit (6) by pressing and rotating the actuator on to the power drive unit.

Installation Procedure


    Object Number: 583048  Size: SH
  1. Connect the electrical connectors to the new standard electrochromatic mirror glass assembly (3).
  2. Rotate the actuator shaft(s) (5, 8) on the power drive unit to align the flats on the actuator ball with the corresponding slots of the molded rings on the back of the mirror glass assembly.
  3. Install the standard electrochromatic mirror glass assembly (3).
  4. • Ensure the spring fingers (2) are inside the housing assembly (1).
    • Align the center pivot point, the actuators (5, 8), memory plungers (4) on the mirror glass assembly (1) with the corresponding attachment points on the power drive unit.
    • Use a 5 cm x 10 cm (2 in by 4 in) sanding block and firmly press the mirror glass assembly with enough force to engage the center pivot point on the power drive unit.
  5. Install the upper (vertical) actuator shaft (8) and apply pressure to the top of the mirror glass assembly with the sanding block until an audible snap is heard.
  6. Install the vertical memory plunger (if vehicle is equipped with RPO A45) by manually tilting the glass assembly to the full downward position.
  7. Apply pressure to the bottom of the mirror glass assembly with the sanding block until an audible snap is heard.
  8. Install the side (horizontal) actuator shaft (5) by manually tilting the glass assembly outboard away from the vehicle.
  9. Apply pressure evenly to the inboard portion of the mirror glass assembly with the sanding block until an audible snap is heard.
  10. Ensure all functions are operating correctly by electrically operating the outside rear view mirror assembly. (up, down, left, right)
  11. Perform a system check, if vehicle is equipped with memory seats (RPO A45). Refer to Diagnostic System Check - Door Systems .
  12. If the outside rear view mirror fails to function correctly, ensure the actuator shafts and memory plungers are seated properly by repeating steps 4 through 10.