Cut Off Rear End Center Assembly - Ar64.20-P-1000-02LWA

Model 238.4

The higher-level service document as well as the safety information in the service document must be observed.

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Expose spot welds on rear center section (1) and cut out (areas A).
Expose spot welds at rear-end center section (1) and drill out with Ø 6.5 mm (areas B).
Expose spot welds at left fender and drill out with Ø 6.5 mm (areas C).
The following operation steps 4 and 5 are shown on the left side of the vehicle and must be performed in the same way on the right side of the vehicle.
Expose spot welds on rear center section (1) and cut out (areas D).
Expose spot welds at rear-end center section (1) and drill out with Ø 6.5 mm (area E).

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Heat rear center section (1) in crosshatched area.
Cross-hatched area is bonded.

The operation step is shown on the left side of the vehicle and must be performed in the same way on the right side of the vehicle.

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Heat rear center section (1) in crosshatched areas.
Cross-hatched areas are bonded with adhesive.
Bend up connecting flanges at rear fenders by approx 90° (arrows).
Remove rear center section (1).
Aid of helper required.

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Sand down mating surfaces to bare metal in cross-hatched areas.
Sand down spot weld flanges to bare metal on both sides.
Remove grinding dust and drill chips.
Coat insides of spot weld flanges with zinc dust paint.
Do not coat bonding surfaces with zinc dust (areas F).

Otherwise adhesion problems may occur.

Observe pretreatment of bonding surfaces.

The following operation steps 13 and 14 are shown on the left side of the vehicle and must be similarly performed on the right side of the vehicle.
Grind mating surface down to bare metal in crosshatched area on inside.
Remove grinding dust and drill chips.
Observe preliminary treatment of bonding surface.

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