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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTESLA2018MODEL 3 BASEREPAIR AND DIAGNOSISGENERAL INFORMATIONHOIST/JACKBODY -- MODEL 3WINDSHIELD AND BODY GLASSGLASS - BACKLIGHT (HEAT PUMP MODEL) - REMOVE AND REPLACEINSTALL

2018 Tesla Model 3 Base

Glass - Backlight (Heat Pump Model) - Remove and Replace: Install

2018 Tesla Model 3 BaseSECTION Install

Attach suction cups to the LH and RH sides of the new backlight glass.
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.
Check that the gap and flushness to all surrounding areas within CVIS specification and adjust as necessary.
If necessary, perform net pad adjustment.
1. Cut teflon tape into rectangles having dimensions 5 mm x 20 mm.
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 a through step d to adjust the net pads.
With an assistant, remove the backlight glass and set it on a stand.
Clean the urethane path on the vehicle with an isopropyl alcohol (IPA) wipe. Allow the surface to dry before continuing to the next step.
Apply urethane primer:
1. Apply urethane primer to the vehicle along the urethane path and in areas that were damaged during removal of the backlight glass.
2. Apply urethane primer to the backlight glass along the urethane path.
NOTE: Allow the primer to dry for at least 2 minutes before continuing.
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.
With an assistant, install the backlight glass to the vehicle.
Check the gap and flush of the backlight glass to the body before fully seating the backlight glass.
Close the trunk.
Fully seat the backlight glass, check the gap and flush, and adjust as necessary.
Apply masking tape to attach the backlight glass to the body while the urethane cures.
NOTE: For urethane curing time, follow urethane manufacturer's recommendations.
Remove the suction cups from the backlight glass.
Install the read end of the headliner to the body.
Connect the backlight electrical harness connector to the tuner on the RH C-pillar.

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Attach the RH side backlight busbar harness to the body.

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Connect the 12V noise filter antenna connector on the RH side of the vehicle.

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Attach the LH side backlight busbar harness to the body.

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Connect the ground noise filter antenna connector on the LH side of the vehicle.

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Connect the backlight harness connector to the antenna amplifier.

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Install the package tray trim. See TRIM - PACKAGE TRAY (REMOVE AND REPLACE) .
Install the screws that attach the LH and RH rear coat hooks to the body.
2.5 N.m (1.8 ft-lbs)

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Fasten the clips that attach the screw covers to the LH and RH rear coat hooks.
If the vehicle has alerts pertaining to the rear defroster, perform these additional steps to re-enable the rear defroster.
1. Connect a laptop with Toolbox 3 to the vehicle. See TOOLBOX 3 - CONNECT AND DISCONNECT .
2. In Toolbox, click the Actions tab, type "Defrost" into the search field, click on PROC_VCRIGHT_DEFROST-RE-ENABLE, click Run , and allow the routine to complete.
3. Disconnect the laptop from the vehicle. See TOOLBOX 3 - CONNECT AND DISCONNECT .
Raise all windows and close all doors.
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 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.