GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 742742  Size: SH

    Important: 

       • In order to identify the electrochromic mirror (1), take note of the glass bezel thickness of 5 mm (3/16 in).
       • Only the electrochromic mirror (1) has identification numbers located at the bottom center edge of the glass.
       • In order to identify the non-electrochromic mirror (2), take note of the glass bezel thickness of 3 mm (1/8 in).
       • The electrochromic glass is not serviceable. Replace the mirror only as an assembly. Refer to Outside Rearview Mirror Replacement .

    Caution: Approved safety glasses and gloves should be worn when performing this procedure to reduce the chance of personal injury.

  1. To remove the non-electrochmic glass, manually tilt the top edge of the glass away from the mirror housing in order to gain access to the retaining tab located behind the glass.

  2. Object Number: 742755  Size: SH
  3. Using a flat-bladed tool, carefully release the upper tab (1) that retains the glass to the actuator while simultaneously tilting the glass away from the mirror housing.
  4. Partially remove the glass from the mirror assembly.
  5. Disconnect the 2 heated mirror connectors from the glass, if equipped.
  6. Remove the glass from the mirror assembly.

Installation Procedure


    Object Number: 742755  Size: SH
  1. Position the glass to the mirror assembly.
  2. Connect the 2 heated mirror connectors to the glass, if equipped.
  3. Carefully attach the glass to the actuator by pushing the glass into the actuator, ensuring the upper (1) and lower retaining tabs are fully seated.
  4. Verify proper operation of the mirror assembly.