Removing and installing carrier unit — VW

🧭 Before you start

Fits: platform code 138

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• Plastic centralising pins are located in the rear corners and these can be cut using slow "“sawing”" motions.Two adhesive beads are applied to the roof cross member, increased resistance will be encountered here.
• Just before bonding back in, cut back adhesive material to 1 ... 2 mm, ensuring that primer layer is not damaged in the process.Remaining material serves as adhesion base for newly applied adhesive sealing compound.
• Do not prime bonding surface and do not treat with a cleaning solution. Keep bonding surface free of dirt and grease. — Check that the height stops (3) are present.
• Install glass panel in mounting frame before installing mounting frame.

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Remove glass panel .
2. Removing windscreen .
3. Remove moulded headliner General body repairs, interior70Roof trim; Removing and installing moulded headliner.
4. Mask roof side member at piercing point in order to protect paintwork.
5. Push needle (1) with handle under assembly frame (2) and through adhesive bead.

6. Remove handle and thread cord357 853 999 A through needle.
7. Pull needle (1) along with cord (2) through adhesive bead using pliers.
8. Secure a handle (2) to each thread end.
9. One person pulls from the outside, the other pulls from the inside.
10. Start at the front right (1) and cut through adhesive bead (2) all round until reaching the front centre area. [Note: Plastic centralising pins are located in the rear corners and these can be cut using slow "“sawing”" motions.Two adhesive beads are applied to the roof cross member, increased resistance will be encountered here.]
11. Once the adhesive bead has been cut through to beyond the centre point on the roof cross member, reposition thread.
12. Start again at the front right (1) and cut through the adhesive bead on the front of the roof cross member from this side (3). [Note: Just before bonding back in, cut back adhesive material to 1 ... 2 mm, ensuring that primer layer is not damaged in the process.Remaining material serves as adhesion base for newly applied adhesive sealing compound.]
13. ⚠ Do not prime bonding surface and do not treat with a cleaning solution. Keep bonding surface free of dirt and grease. — Check that the height stops (3) are present.
14. Apply adhesive sealing material. [Note: Install glass panel in mounting frame before installing mounting frame.]
15. Insert frame together with glass panel into roof aperture.
16. Centralizing pins (2) align frame to aperture.
17. Press frame downwards and onto stops.
18. Check hight to roof .
19. Press frame downwards and onto stops.
20. Check hight to roof .

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