Rear Longitudinal Member Installation - Ar64.20-P-1200-24MFD

Model 118.3/6 

The following operation steps are shown on the left side of the vehicle. This must be similarly performed for damage to the right side of the vehicle.

Further information can be found in the superordinate service document.

Comply with safety information in superordinate customer service document.

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1. Install, fit and fix in place rear longitudinal member (1), cover (5) using straighteners.
2. Take over cut off spot welds from vehicle and drill out at rear longitudinal member (1) with Ø 6.7 mm (areas A).
3. Take over cut off spot welds from vehicle and drill out at cover (5) with Ø 6.7 mm (areas A).
4. Deburr rivet holes on both sides (areas A).
5. Remove drilling chips.
6. Drill rivet holes in rear longitudinal member (1) with connection (2) with Ø 6.7 mm (areas B₁ , B₂ and B₃ ).
7. Deburr rivet holes on both sides.
8. Remove drilling chips.
9. Coat insides of riveted joints with zinc dust paint.

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10. Install fit and fix in place the cover (4) and the support for the rear bench seat (6).
11. Drill rivet holes in cover (4) with Ø 6.7 mm (areas C₁ , C₂ , C₃ , C₄ , C₅ , C₆ , C₇ , C₈ and C₉ ).
12. Drill rivet holes in rear bench seat mount (6) with Ø 6.7 mm (areas D₁ , D₂ , D₃ and D₄ ).
13. Deburr rivet holes on both sides.
14. Remove drilling chips.
15. Coat insides of riveted joints with zinc dust paint.

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16. Install, fit, and fix in place reinforcement for the rear seat (3).
17. Drill rivet holes in rear seat reinforcement (3) with Ø 6.7 mm (areas E₁ , E₂ , E₃ , E₄ and E₅ ).
18. Remove rear seat reinforcement (3), rear bench seat support (6), cover (4), rear longitudinal member (1) with connection (2), and cover (5).
19. Deburr rivet holes on both sides.
20. Remove drilling chips.
21. Coat insides of riveted joints with zinc dust paint.

    Do not coat insides of the riveted joints to which the 2-componen adhesive is applied with zinc dust paint.

    Otherwise adhesion problems can occur.

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22. In the cross-hatched area apply the 2-component adhesive to the body (area F₁ ).

    

    Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

23. In the cross-hatched area on the longitudinal member at the rear (1) with connection (2)  apply the 2-component adhesive (area F₂ ).

    

    Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

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24. In areas H and G, apply the 2-component adhesive on body.

    

    Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

25. Install and fix in place rear longitudinal member (1) and cover (5).
26. Rivet rear longitudinal member (1) with rivets Ø 6.5x14.5 mm (areas G).
27. Rivet the cover (5) using rivets Ø 6.5x14.5 mm (areas H).

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28. Apply 2-component adhesive to the rear longitudinal member (1) in the cross-hatched (area J).

    

    Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

29. Rivet rear longitudinal member (1) with connection (2) with rivets Ø 6.5x14.5 mm (areas I₁ , I₂ and I₃ ).
30. Install and fix in place the cover (4) and the support for the rear bench seat (6).
31. Rivet the cover (4) using rivets Ø 6.5x12.5 mm (areas K₁ , K₂ , K₃ , K₄ , K₅ , K₆ , K₇ and K₈ ).
32. Rivet the cover (4) using rivets Ø 6.5x14.5 mm (areas L₁ , L₂ and L₃ ).
33. Rivet the support for the rear bench seat (6) using rivets Ø 6.5x14.5 mm (areas L₄ , M₁ , M₂ and M₃ ).

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34. Install the fastening bracket (7) and fix it in place
35. Rivet fastening bracket (7) with rivets Ø 6.5x14.5 mm (areas B).

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