Remove Rear Floor - Ar64.20-P-1300-01LCA

Model 217.4 

Fig 1: Rear Floor Pan Component Location (Model 217.4)

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1. Expose MIG solder seams on center reinforcement (6) and separate (areas A₁ and A₂ ).

   Do not make the cuts too deep.

   Otherwise the components behind can be damaged and the strength be impaired (areas A₁ ).

2. Remove center reinforcement (6).

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   The following steps 3 to 4 are shown on the right side of the vehicle and must be performed analogously on the left side of the vehicle.

3. Expose MIG solder seam on B-pillar reinforcement (4) and separate (areas B₁ and B₂ ).

   Do not make the cuts too deep.

   Otherwise the components behind can be damaged and the strength be impaired (areas B₁ ).

4. Remove B-pillar reinforcements (4).

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5. Expose MIG solder seams on center crossmember reinforcement (2) and separate (areas C₁ , C₂ , C₃ , C₄ , C ₅ , C₆ , C ₇ , C₈ , C₉ and C₁₀ ).

   Do not make the cuts too deep.

   Otherwise the components behind can be damaged and the strength be impaired (areas C₁ , C₂ , C₃ and C₄ ).

6. Expose spot welds on center crossmember reinforcement (2) and cut out (areas D).

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   The following operation steps 7 to 23 are shown on the left side of the vehicle and must be performed analogously on the right side.

7. Expose MIG solder seams on center crossmember reinforcement (3) and separate (area E).

   Do not make the cuts too deep.

   Otherwise the components behind can be damaged and the strength be impaired (areas B1).

8. Completely remove center crossmember reinforcement (2).

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9. Expose spot welds on rear-end floor (1) and cut out (areas F₁ and F₃ ).

   Cut out weld spots through two sheet metal thicknesses (area F3).

10. Expose spot welds on mounting consoles (5) and cut out (area F₂ ).

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11. Expose spot welds on rear-end floor (1) and cut out (areas F₄ and F ₅ ).

    Cut out weld spots through two sheet metal thicknesses (area F5).

12. Expose spot welds on mounting consoles (5) and cut out (areas F₇ , F₈ and F ₉ ).

    Cut out weld spots through two sheet metal thicknesses (area F8).

13. Expose MIG solder seams on rear-end floor (1) and separate (area F₆ ).

    Do not make the cuts too deep.

    Otherwise the components behind can be damaged and the strength be impaired (areas F₁ ).

14. Heat areas (F₈ , F₉ ) and remove mounting console (5).

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15. Expose spot welds on rear-end floor (1) and cut out (areas G₁ , G₂ and G₃ ).

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16. Expose spot welds on rear-end floor (1) and cut out (area G₄ ).
17. Expose spot welds on struts (8) and cut out (areas H₁ , H₂ , H₃ , H ₄ and H₅ ).

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18. Expose spot welds on struts (8) and cut out (areas H₆ , H₇ , H₈ and H ₉ ).
19. Remove struts (8).

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20. Expose spot welds on rear-end floor (1) and cut out (area I).

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21. Expose spot welds on rear-end floor (1) and cut out (area J₁ ).
22. Drill clinch connections on rear-end floor (1) with Ø 6 mm bit (area J₂ ).

    The clinch connections can also be separated with a riveter for self-piercing and flow-form rivets.

23. Drill self-piercing riveting on rear-end floor (1) with Ø 6 mm bit (area J₃ ).

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24. Unscrew flow drill bolts (area K₁ ).
25. Separate weld seams on rear-end floor (1) (areas K₂ , K₃ and K₄ ).

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    The following operation steps 26 to 29 can be shown on the left side of the vehicle and must be performed analogously on the right side.

26. Expose spot welds on cover for longitudinal member (9) and cut out (areas L₁ , L₂ , L₃ , L₄ and L₅ ).
27. Expose MIG solder seams on cover for longitudinal member (9) and cut (areas M₁ , M₂ and M ₃ ).

    Do not make the cuts too deep.

    Otherwise the components behind can be damaged and the strength be impaired (areas M₁ , M₂ and M₃ ).

28. Remove cover for longitudinal member (9).
29. Unscrew bolts (10) for rear-end floor (1).

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30. Heat rear-end floor (1) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

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31. Heat rear-end floor (1) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

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32. Heat rear-end floor (1) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

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33. Heat rear-end floor (1) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

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34. Heat rear-end floor (1) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

35. Remove rear-end floor (1) downward toward rear.

    Helper required.

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36. Sand down mating surfaces to bare metal in cross-hatched areas.

    Observe pretreatment of bonding surfaces.

37. Remove grinding dust and drill chips.

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38. Sand down mating surfaces to bare metal in cross-hatched areas.

    Observe pretreatment of bonding surfaces.

39. Remove grinding dust and drill chips.

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40. Sand down mating surfaces to bare metal in cross-hatched areas.
41. Remove grinding dust and drill chips.
42. Apply zinc dust paint to mating surfaces.

    Do not coat bonding surfaces with zinc dust paint (areas N₁ and N₂ ).

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces.

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43. Sand down mating surfaces to bare metal in cross-hatched areas.

    Observe pretreatment of bonding surfaces.

44. Remove grinding dust and drill chips.