Inner B-Pillar Installation - Ar63.20-P-1350-03MFA

Model 177.0/1/9

Model 247.0/6/7

Fig 1: Side Portal Frame (210 589 17 23 00)

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REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1003-01A	White sealing compound, 310 ml, DBL 6069.20	A 001 989 63 20
BR00.45-Z-1012-13A	Blind rivet Y2 6.5 x 12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN)	A 004 990 16 97
BR00.45-Z-1056-07A	1K-zinc dust paint	A 000 986 28 00
BR00.45-Z-1162-02A	Parts kit for 2-component adhesive for body	A 012 989 17 71

The next steps are shown on the left side of the vehicle. In case of damage on the right side of the vehicle, these steps must be performed analogously. The superordinate service document as well as the safety information in the service document must be observed.

Install inner B-pillar (1) and B-pillar reinforcement (2) with the side portal frame and portal straightener and fix in place.
Drill rivet holes with a diameter of 6.7 mm (areas A and B).

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Drill rivet holes with a diameter of 6.7 mm (area C).
Remove inner B-pillar (1) and B-pillar reinforcement (2) with the side portal frame and the portal straightener.
Deburr rivet holes on the B-pillar reinforcement (2) and the inner B-pillar (1) on the body on both sides.
Remove drill chips.
Coat insides of riveted joints with zinc dust paint.

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Apply sealant in cross-hatched areas to foam parts (arrows).
Apply 2-component adhesive in cross-hatched areas to the body (areas D₁ and D ₂ ).
Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.
Install inner B-pillar (1) and B-pillar reinforcement (2) with the side portal frame and portal straightener and fix in place.
Rivet inner B-pillar (1) with Ø 6.5x12.5 mm rivet (areas H and I).
Inner B-pillar (1) (areas F, G, and J).
Remove side portal frame and portal straightener.
Inner B-pillar (1) (areas K and L).
Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion.
Surface grind inert gas welds on inner B-pillar (1) (areas K and L).
Grind down flat on contact surfaces on B-pillar paneling and beaded area only.
Remove grinding dust.
Clean weld joints no longer accessible after installing B-pillar reinforcement and coat with zinc dust paint.

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Rivet B-pillar reinforcement (2) with Ø 6.5x12.5 mm rivet (area N).
B-pillar reinforcement (2) (areas M₁ and M ₂ ).

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