Back Window Glass: Service and Repair
REMOVALWARNING: SAFETY GLASSES AND GLOVES MUST BE WORN TO PREVENT PERSONAL INJURY. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
1. Disconnect the connectors, if equipped.
2. Remove the interior garnish mouldings.
3. Remove the rear window glass using a suitable suction tool.
NOTE: Use a long knife to cut any remaining urethane stringers.
4. Trim the urethane on the pinch weld.
NOTE: Clean around the pinch weld area to remove any dirt or foreign material that could contaminate the existing urethane once it is trimmed.
5. Inspect the pinch weld for damaged metal, rust or foreign objects. Repair the pinch weld as necessary.
NOTE: To avoid rust formation, take extreme care not to scratch or otherwise damage the pinch weld.
INSTALLATION
1. Apply urethane metal primer WSB-M2G234-C or equivalent to any exposed or damaged metal on the pinch weld.
NOTE: A minimum of ten minutes is required for the primer surface to dry.
2. Place the rear window glass inside up on a low, stable work surface.
NOTE: If a new rear window glass is to be installed, attach the new moulding to the edge of the glass starting at the top center, then working out, then down the pillars and around the corners.
3. Clean the rear window glass with a non-alcohol based window cleaner.
4. Apply the Urethane Glass Prep WSB-M5B280-C or equivalent to the rear window glass interior edges.
- Apply the Urethane Glass Prep WSB-M5B280-C or equivalent to the rear window glass interior edges 21 mm (0.8 inch) wide along top and sides and 70 mm (2.75 inch) wide along the bottom.
- Wipe the rear window glass where the Urethane Glass Prep WSB-M5B280-C or equivalent has been applied.
- Repeat the application in Steps 1 and 2.
NOTE:
- Wipe off the Urethane Glass Prep WSB-M5B280-C or equivalent immediately after application because it flash dries. Two coats of the Urethane Glass Prep WSB-M5B280-C or equivalent must be applied.
- Use a clean wool applicator to apply the Urethane Glass Prep WSB-M5B280-C or equivalent.
5. Align the rear window glass to the body.
- Place the rear window glass on the pinch weld.
- Center the rear window glass in the opening.
- Adjust the glass stops.
- Mark the rear window glass alignment on the glass and the body with tape or a grease pencil.
6. Remove the rear window glass.
7. Apply the Urethane Glass Primer WSB-M2G314-A or equivalent to the interior edges of the rear window glass 21 mm (0.8 inch) wide along top and sides and 70 mm (2.75 inch) wide along the bottom.
NOTE:
- Urethane Glass Primer WSB-M2G314-A or equivalent must be mixed thoroughly for even pigmentation.
- Urethane Glass Primer WSB-M2G314-A or equivalent must cure for a minimum of five minutes.
8. Apply an even bead of Urethane Adhesive WSB-M2G316-B or equivalent around the entire sheet metal flange on top of the existing bead of urethane. The bead should be approximately 8 mm (0.314 inch) at the base and 14 mm (0.55 inch) high and triangular in shape.
NOTE: The rear window glass must be installed before the adhesive skins over.
9. Install the rear window glass on the pinch weld. Align the rear window glass to the body using the alignment marks.
CAUTION: When replacing urethane-installed parts, do not drive the vehicle until the urethane has cured. At 21°C (70°F) and relative humidities above 50%, adequate cure time is typically 24 hours (less at higher temperature and higher humidities). See detailed instructions provided by the urethane manufacturer. Inadequate or incorrect curing can adversely affect the retention of the rear window glass.
10. Inspect the rear window glass for air or water leaks through the urethane.