Detach rear end - AR64.20-P-1020-01ESA

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MODEL 212.2 Type with reinforcements

MODEL 218.9 Type with reinforcements

Fig 1: Rear End Assembly Spot Weld Areas (A, B, C, D, E And F)

Courtesy of MERCEDES-BENZ USA

Expose spot welds on rear end assembly and cut out (areas A, B, C, D, E and F).

Fig 2: Rear End Assembly Spot Welds Area (G, H, K, L, M, N, O And P)
Courtesy of MERCEDES-BENZ USA
Expose spot welds on rear end assembly and cut out (areas G, H, K, L, M, N, O and P).
Drill Ø 6.5 mm spot welds on rear end assembly (areas Q and R).
Grind open MIG solder connection on rear end assembly (area I and J).
Heat rear end assembly in crosshatched area.
Cross-hatched area is bonded.
Remove damaged rear end assembly.

Fig 3: Heating Rear End Assembly In Crosshatched Area
Courtesy of MERCEDES-BENZ USA

Fig 4: Rear End Assembly Bonding Surfaces (Areas U, V And W)
Courtesy of MERCEDES-BENZ USA
Grind mating surfaces on body down to bare metal in cross-hatched areas.
Sand spot weld flanges to bare metal on both sides.

Observe pretreatment of bonding surfaces (areas U, V and W).
Remove shavings and drill chips.
Coat insides of spot weld flanges with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint. Can lead to adhesion problems.