Prepare rear end for installation - AR64.20-P-1020-05ESA

MODEL 212.2 Type with reinforcements 

MODEL 218.9 Type with reinforcements 

Fig 1: Rear End Assembly Mating Surfaces (Area T)

Courtesy of MERCEDES-BENZ USA

1. Grind mating surfaces on rear end assembly down to bare metal in crosshatched areas.

   Sand down spot weld flanges to bare metal on both sides.

2. Coat insides of spot weld flanges with zinc dust paint.

Do not coat bonding surfaces with zinc dust paint (area T). Can lead to adhesion problems.

Observe pretreatment of bonding surfaces.

Fig 2: Rear End Assembly Mating Surfaces (Areas A And B)
Courtesy of MERCEDES-BENZ USA
3. Grind mating surfaces on reinforcements down to bare metal in crosshatched areas.

   Sand down spot weld flanges to bare metal on both sides.

4. Coat insides of spot weld flanges with zinc dust paint.

   Do not coat bonding surfaces with zinc dust paint (areas A and B). Can lead to adhesion problems.

   Observe pretreatment of bonding surfaces.