Tesla Model 3: Glass - Backlight (Remove and Replace) - Install

1. Attach suction cups to the LH and RH sides of the new backlight glass.
2. With an assistant, position the backlight glass onto the vehicle for a dry fit and note any locations where the net pads need to be adjusted.
3. If necessary, perform net pad adjustment.

1. Cut teflon tape into rectangles having dimensions 5mm x 20mm.
2. With an assistant, remove the backlight glass and set it on a stand.
3. Apply the teflon tape rectangles to the net pads where adjustment is needed.

Note: Make sure that the edges of the tape rectangles align with the edges of the net pads.

4. With an assistant, position the backlight glass onto the vehicle and check the net pads fitment. 
5. Repeat step 3.a through step 3.d to adjust the net pads.

4. With an assistant, remove the backlight glass and set it on a stand.
5. Clean the urethane path on the vehicle with an isopropyl alcohol (IPA) wipe. Allow the surface to dry before continuing to the next step.
6. Apply urethane primer to the vehicle along the urethane path and in areas that were damaged during removal of the backlight glass.

Note: Allow the primer to dry for at least 1 minute.

7. Apply urethane to the body following the original path.

Note: Make sure that the urethane bead has a triangular cross-section of approximate width 8 mm and height 13 mm.

8. With an assistant, install the backlight glass to the vehicle.
9. Check the gap and flush of the backlight glass to the body before fully seating the backlight glass.
10. Close the trunk.
11. Fully seat the backlight glass, check the gap and flush, and adjust as necessary.
12. Apply masking tape to attach the backlight glass to the body while the urethane cures.
13. Remove the suction cups from the backlight glass.

14. Connect the antenna electrical harness to the turner connector and to the body harness on the RH C-pillar.

15. Connect the backlight electrical harness to the tuner connector on the RH C-pillar.

16. Install the bolt that attaches the backlight glass heater ground strap to the LH C-pillar.  Torque 5 Nm
17. Install the FM antenna amplifier. See Amplifier - Antenna - FM (Remove and Replace).
18. Install the package tray trim. See Trim - Package Tray (Remove and Install).

Install the screws that attach the LH and RH rear coat hooks to the body. Torque 2.5 Nm

20. Fasten the clips that attach the screw covers to the LH and RH rear coat hooks.
21. Remove the masking tape after the urethane has cured.

Caution:

Do not drive the vehicle until the adhesive manufacturer's recommended minimum drive-away time has passed. Dow Betaseal Express has a drive-away time of 1 hour minimum in temperatures of 0˚F (-18˚C) or warmer. If using an equivalent product, refer to the adhesive packaging for the safe drive-away time. If necessary, leave the tape applying pressure to the glass on the vehicle and advise the customer that they can remove it after 24 hours. Additionally, advise the customer that they should avoid high driving speeds and speed bumps for the next 24 hours.

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