Mirror System: Removal & Installation Buick LaCrosse II facelift

Removal Procedure

1. Remove the mirror face (1). Refer to «Outside Rearview Mirror Glass Replacement»(ref-622011-S26893651032014061000000) .
2. Remove the screws from the mirror motor (2).
3. Disconnect the electrical connector from the edge of the mirror motor. Note the position of the plugs on the mirror motor when removing.
4. Remove the motor .

Installation Procedure

1. Position the motor to the mirror housing.
2. Connect the electrical connector to the edge of the mirror motor.
3. Install the screw to the mirror motor (2) and tighten to 2 N.m (18 lb in).
4. Install the mirror face to the mirror housing. Refer to «Outside Rearview Mirror Glass Replacement»(ref-622011-S26893651032014061000000) .
5. Inspect the mirror for proper operation.

1. Carefully push the mirror face toward the front of the car and downward on the inner edge, near the front door window glass, to allow access.
2. Grasp the mirror face back and firmly pull it away from the mirror motor and housing. It will be necessary to use a sharp jerking motion to release it from the housing.
3. Lift the mirror back up and out to release the lower tabs.
4. Disconnect the heated mirror wires, if equipped.

1. Connect the heated mirror wires, if equipped.
2. Using the palm of your gloved hand, press firmly on the center of the glass until the case seats onto the motor. The mirror will make a snapping noise when properly seated.
3. Inspect the mirror for proper operation.

Scheme 2

Inside Rearview Mirror Replacement

Scheme 3

1. Determine the location of the mirror mounting base by marking the outside of the windshield with a marking pencil where the base was previously located. If it is not clear where the base was mounted, use the following steps to determine where the base should be installed: Using a measuring tape, measure the distance between the windshield pillars from the base of the shade line . Using a marking pencil, halfway between the windshield pillars, draw a centerline (1) on the windshield from the roof panel to the windshield base. Draw a perpendicular line intersecting the centerline (2) at that location. The top center of the mirror mounting base will be at the intersection of these lines.
2. Scrape the inside windshield glass thoroughly with a safety razor or utility knife in order to remove all old adhesive.
3. If reinstalling the original mounting base, place the mirror mounting base in a suitable holding device, such as a vice.
4. Scrape the mirror mounting base thoroughly with a safety razor or utility knife in order to remove all old adhesive.
5. Clean the inside windshield glass and the mounting surface of the mirror mounting base thoroughly with a clean cloth saturated with naphtha or a 50/50 mixture (by volume) of clean water and isopropyl alcohol.
6. Using the Inside Mirror Adhesive Kit, or equivalent to apply a small amount of activator to the mounting surface of the mirror mounting base.
7. Apply a small amount of activator to the windshield where the mounting base is to be installed.
8. Allow the activator to dry 5 minutes.
9. Apply 1 drop of adhesive to the center of the mirror mounting base.
10. Immediately apply the mounting base to the windshield, ensuring that the mounting base aligns correctly to the marks made on the outside of the windshield.
11. Hold the mounting base firmly in place for 1 minute.
12. Allow the adhesive to set for 15 minutes.
13. Install the mirror to the mirror mounting base and fasten, if necessary.
14. Connect the electrical connector and install the wire cover, if equipped.

Scheme 4

Inside Rearview Mirror Wiring Harness Upper Cover Replacement

Scheme 5

Inside Rearview Mirror Wiring Harness Lower Cover Replacement