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Tart of rear floor

Tart of rear floor

The new floor should be plug-welded at the front edge around the edge towards the spare tire well as well as be all-welded edge-to-edge between the spare tire well and the wheel housing.


1. Position the car in an aligning bench and cross-measure if necessary.

2. Remove the rear bumper abutment, see Rear bumper abutment .

3. Drill out the spot-welds that secure the floor to the frame members.


4. Cut away the rear floor and remove it.

5. Drill out the spot-welds that secure the sides of the floor to the wheel housings and remove the remaining sheet metal sides.


6. Align any deformed sheet metal or panels.

7. Grind the surfaces to be welded on the body.

8. Cut the new floor so that it overlaps the intended joint line by approximately three centimetres.


9. Punch holes for plug-welding where possible. Remaining holes are drilled using a 6 mm drill bit.

10. Fit the floor and fixate with a few welding clamps.

11. Cut through the new and old floor between the spare tire well and wheel housing at the same time so that the joints can be welded edge-to-edge.


12. Remove the floor and grind the surfaces to be welded.

13. Apply welding primer on the surfaces to be welded. Use Teroson Zinkspray.

14. Fit the floor in the car and fixate with a few welding clamps.

15. Plug-weld the new floor along the edge towards the spare tire well.


16. All-weld the joints between the spare tire well and the wheel housings.

17. Spot-weld the edges of the new floor.


18. Plug weld the floor to the frame members and a new reinforcement on the right-hand side.


19. Fit the rear bumper abutment, see Rear bumper abutment .

20. Remove remaining welding primer. Welding primer will reduce adhesion for paint, filler and sealant.

21. Apply primer to all ground surfaces. Use Standox 1K Primer.

22. Seal joints and sheet metal flanges with sealant. Use Terostat 1K-PUR.

23. Apply PVC substitute on the underside of the floor. Use Terostat 9320.

24. Apply anti-corrosion agent to the members abutting the new floor. Use Terotex HV 400 T 129 or Mercasol 3.