Liftgate Window Glass: Service and Repair
SPECIAL SERVICE TOOL(S)
REMOVAL
WARNING: SAFETY GLASSES AND GLOVES MUST BE WORN WHEN CARRYING OUT THIS PROCEDURE. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
1. Disconnect the two rear window defrost electrical connectors.
2. Remove the wiper motor.
3. Remove the high mounted stoplamp.
4. Using a soft brush or vacuum, remove any dirt or foreign material from the pinch weld.
5. Using the special tool, cut sealant from the liftgate window glass and remove the liftgate window glass.
CAUTION:
^ Care must be taken to avoid scratching the pinch weld.
^ Use care to avoid damage to the rear package trim cover panel.
NOTE: Lubricate the existing sealant with water to aid the special tool while cutting.
6. Using a soft brush or vacuum, remove the dirt or foreign material from the pinch weld.
INSTALLATION
CAUTION: After installing the new urethane installed glass, the vehicle should not be driven until the urethane sealant has cured. The curing time at temperatures above 13°C (55°F) and relative humidity above 50% is 12-24 hours (decreasing at higher temperatures and lower humidities). Inadequate curing of the urethane sealant may adversely affect the strength of the urethane sealant bond.
1. Dry-fit the new liftgate glass by centering it side to side and by adjusting the setting blocks (if equipped) to get the correct position top to bottom. Make alignment marks with tape or non-staining grease pencil on both the glass and the vehicle body.
2. Trim the remaining urethane sealant on the pinch weld using only the full-cut method, leaving a level bead around the entire pinch weld.
CAUTION: Care must be taken to avoid scratching the pinch weld.
3. Use the wool applicator to apply Urethane Metal Primer Essex U-413 meeting Ford specification WSB-M2G234-C to any exposed metal on the pinch weld. Allow six to ten minutes to dry.
4. If reinstalling the original liftgate glass, remove any excess urethane sealant.
5. If installing a new liftgate glass, clean the inside of the glass surface with an alcohol-free cleaner to make sure the ceramic-coated area is clean.
6. Apply Urethane Glass Prep Essex U-401 meeting Ford specification WSB-M2G314-B twice around the glass surface to be prepped.
CAUTION: Wipe off the Urethane Glass Prep immediately after each application because it flash dries. Apply using deliberate strokes, making sure no to overlap the applied area.
7. Apply Urethane Glass Primer Essex U-402 meeting Ford specification WSB-M5B280-C to the same area that was prepped in the previous step. Allow five minutes to dry.
8. Install Norton Foam Sealant 565 Black Foam Tape meeting Ford specification WSB-M3G77A to the pinch weld area.
^ Start at the bottom center of the pinch weld.
9. Cut the urethane applicator to specification.
10. Apply a bead of Urethane Sealant Essex 400-HV or Essex U-216 meeting Ford specification WSB-M2G316-B to the pinch weld.
CAUTION: If vehicle is to be driven within 24 hours of urethane sealant application, Urethane Sealant Essex U-216 meeting Ford specification WSB-M2G316-B must be used due to its one hour cure time.
11. Install the liftgate window glass
CAUTION: Open the windows to prevent the back window glass from being pushed out by air pressure if a door is closed.
12. After the glass is set, check for water leaks and add urethane sealant where needed.
13. Install the high mounted stoplamp.
14. Install the wiper motor.
15. Connect the two rear window defrost electrical connectors.