Quarter Window Glass: Service and Repair

Rear Quarter Window Glass (76.31.31)

Removal

1. Remove rear seat cushion and squab.
2. Remove coat hanger hook.
3. Remove rear quarter casing.
4. Displace door aperture seal from B post seal carrier and drip rail seal carrier.
5. Remove rear quarter light finisher and drip rail seal carrier.
6. Slacken and remove three screws securing B post seal carrier to B post and remove carrier.







7. Apply protective masking tape around quarter light aperture.







8. Prepare cheese wire and cutting handle.
- Position cutting handle central tube fully upwards in handle.
- Cut a suitable length of cheese wire and pass one end through handle tube and locating aperture.
- Move cutting handle central tube fully downwards to secure cheese wire.

9. NOTE: Penetrating the seal in the wrong position can result in contact with the glass to body mounting stud.

Using a suitable long bladed tool, penetrate quarter light Betaseal at B post three inches from top of glass.







10. Remove tool, pass free end of cheese wire through penetration and fit second cutting handle.







11. With assistance, use cheese wire to cut around the glass moving downwards then rearwards and exercising care to avoid damaging paintwork at the corners.







12. Fit lifting handle to glass and ease upper edge away from aperture for access.







13. Supporting the glass, use a suitable cutter to sever remaining Betaseal.







14. Remove glass from aperture and place on clean cloth on bench.
15. Remove lifting handle.
16. Remove cheese wire cutting tool from vehicle, separate handles by moving centre tubes upwards and discard cheese wire.
17. Position a protective sheet inside the vehicle.
18. Ensuring that the paintwork is not damaged, use a suitable vibroknife to remove residual sealant from body flange.







19. If original glass is to be refitted.
- Use masking tape to mark finisher retaining clip positions on outside of glass then remove and retain clips.
- Remove residual Betaseal using a suitable scraper.
- Clean glass using Betawipe and refit finisher retaining clips.
- Remove masking tape markers.







20. If 3 mm thick button or spacer block become detached, retain and refit before priming.
- When refitting spacing block, apply suitable adhesive and fit block to glass edge maintaining a 2 mm clearance between glass and bottom of block groove.







Installation

1. Thoroughly clean glass and body aperture with Betawipe spirit.
2. Apply glass primer ensuring that it is taken right up to the radiused front edge.







3. Position seal carrier on B post and fit and tighten securing screws.







4. Cut Betaseal cartridge nozzle to achieve a triangular section bead 8 mm wide by 10 mm high.







5. Using a suitable pneumatic application gun, apply a uniform bead of sealant to the glass edge.







6. Fit lifting handle to glass. Align glass to body, ensuring that location stud engages in body clip and press glass firmly to fully seat.







7. Remove lifting handle, remove masking tape and clean off residual sealant using Betawipe spirit.
8. Fit quarter light finisher, maintaining 4 mm clearance from waist seal finisher.
9. Fit drip rail seal carrier.
- Position drip rail seal carrier pressing it back to abut the quarter light finisher.
- Loosely fit carrier securing screws then tighten them commencing from the rear.







10. Apply wet sealant behind finishers butt joint between the two adjacent screw locations.







11. Fit door aperture seal.
12. Remove protective sheet from interior.
13. Fit rear quarter casing.
14. Fit rear coat hanger hook.
15. Fit rear seat cushion and squab.