Removing and installing sliding sunroof frame — VW

🧭 Before you start

Fits: platform codes 5C7, 5C1

• Special tools named: V.A.G 1474/2
• Renewed: if necessary

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• Mark installation position of existing panorama sliding/tilting glass roof as a reference for installing new panorama sliding/tilting glass roof.
• Also make a mark at distance (b) = 20 mm starting from windscreen.
• Mark installation position of sliding sunroof frame on roof aperture in the vehicle interior as a reference when reinstalling.
• The position of the adhesive beads (1) is stamped in the sliding sunroof frame (2).
• The edge of the sliding sunroof frame (1) must not rest on top of roof cross member (2).

📋 Procedure

1. Remove moulded headliner General body repairs, interior70Roof trim; Removing and installing moulded headliner.
2. Check body panel gaps/shut lines for rear lid and windscreen 00Body panel gaps/shut lines.
3. Mark installation position of existing panorama sliding/tilting glass roof as a reference for installing new panorama sliding/tilting glass roof.
4. Adjust rear lid .
5. Remove glass panel for panorama sliding/tilting glass roof .

6. Remove wind deflector .
7. Remove guide rails and securing bracket .
8. Bond windscreen seal to windscreen and press it on firmly.
9. ⚠ Mask the body surfaces adjoining to the panoramic tilting/sliding glass sunroof trim with adhesive tape to prevent damage to the paintwork. — Starting from roof side member, make a mark at distance (a) = 20 mm on left and right sides of trim along its entire length.
10. Also make a mark at distance (b) = 20 mm starting from windscreen.
11. ⚠ Due to the small clearance between the trim and the sliding sunroof frame, a depth stop needs to be installed and set to 5 mm. — Cut off trim strips along markings by means of electric cutterV.A.G 1561A(1) and saw blade, 80 mm in diameterV.A.G 1561/26(2).
12. Check body panel gaps/shut lines for rear lid and windscreen 00Body panel gaps/shut lines.
13. Mark installation position of sliding sunroof frame on roof aperture in the vehicle interior as a reference when reinstalling.
14. Adjust rear lid .
15. Remove trim .
16. Remove guide rails and securing bracket .
17. Carefully push awl (2) (e.g. V.A.G 1474/2) in the area shown from the inside to the outside through the adhesive bead of the sliding sunroof frame (1).
18. Thread one end of cutting wire into awl and pull it through adhesive sealant into inside of vehicle.
19. Secure a pull handleV.A.G 1351/1 to each end of cutting wire.
20. Cut through adhesive beads on sliding sunroof frame (1) with "“sawing”" motions, and remove sliding sunroof frame. [Note: Since 2 adhesive beads are applied to the front and to the rear roof cross members respectively, increased resistance will be encountered here.The cutting of the adhesive beads requires the assistance of a second mechanic (one person pulls from the outside, the other pulls from the inside).Guide the cutting wire close enough to the sliding sunroof frame, in order not to damage the adjacent components.] [Note: On a new sliding sunroof frame, the trim is already bonded, and the guiding rails as well as the assembly carrier are already installed.If a sliding sunroof frame is to be re-used, the residual material serves as the adhesion base for the new adhesive sealant to be applied.To ensure that a sufficient amount of window adhesive is available when needed, prepare 2 sets of 2-pack window adhesive.The 2-pack window adhesive must be applied with the assistance of a second mechanic.]
21. Check sliding sunroof frame for damage and renew if necessary.
22. If not already done, check shut lines of rear lid 00Body panel gaps/shut lines.
23. If the body panel gaps/shut lines are not correct, adjust rear lid .
24. Install wind deflector .
25. Install glass panel .
26. Support sliding sunroof frame with suction mountings on glass panel.
27. Cut back remaining adhesive beads on front and rear roof cross members and on left and right roof side members to 1 mm shortly before installation.
28. Clean areas of adhesive beads (1) on sliding sunroof frame (2) with cleaning solution (Electronic Parts Catalogue. [Note: The position of the adhesive beads (1) is stamped in the sliding sunroof frame (2).]
29. Prime area of adhesive bead with glass/paint primer (Electronic Parts Catalogue and allow it to dry for 10 minutes.
30. Apply 2-component glass adhesive (Electronic Parts Catalogue onto glass/paint primer.
31. Fit sliding sunroof frame with trim to rear lid, insert it into roof aperture, and push it towards front until there is a 5 mm gap between trim and rear lid 00Body panel gaps/shut lines; Body - rear.
32. Make sure that the edge of the sliding sunroof frame (1), is properly aligned with the contours of the rear roof cross member (2). [Note: The edge of the sliding sunroof frame (1) must not rest on top of roof cross member (2).]
33. Centre sliding sunroof frame with trim between left and right roof side members 00Body panel gaps/shut lines; Body - centre.
34. Locate sliding sunroof frame and trim with adhesive tape.
35. After minimum curing period is completed , install following components of old sliding sunroof frame to new sliding sunroof frame:
36. Install moulded headliner General body repairs, interior70Roof trim; Removing and installing moulded headliner.
37. If not already done, check shut lines of rear lid 00Body panel gaps/shut lines.
38. If the body panel gaps/shut lines are not correct, adjust rear lid .
39. Install guide rails and securing bracket .
40. Install wind deflector .
41. Install glass panel .
42. Support sliding sunroof frame with suction mountings on glass panel.
43. Cut back remaining adhesive beads on front and rear roof cross members and on left and right roof side members to 1 mm shortly before installation.
44. Also cut back remaining adhesive bead on sliding sunroof frame to 1 mm shortly before installation.
45. Apply 2-component glass adhesive (Electronic Parts Catalogue onto cut-back adhesive bead on sliding sunroof frame.
46. Insert sliding sunroof frame (1) into roof aperture.
47. Align edge of sliding sunroof frame (1) with contours of rear roof cross member (2) as shown in illustration. [Note: The edge of the sliding sunroof frame (1) must not rest on top of roof cross member (2).]
48. Centre sliding sunroof frame between left and right roof side members.
49. Check again that the edge of the sliding sunroof frame (1) is properly aligned with the contours of the rear roof cross member (2).
50. Locate sliding sunroof frame with adhesive tape.
51. After minimum curing period is completed , install following components:

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