Prepare Rear Longitudinal Member For Installation - Ar64.20-P-1200-23SRA

MODEL 453 

Courtesy of MERCEDES-BENZ USA

Shown on MODEL 453.3 

1. Grind mating surfaces on rear longitudinal members (1, 2) down to bare metal in crosshatched areas.

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

2. Remove shavings and drill chips with wet/dry vacuum cleaner.
3. Coat insides of spot welding flanges with zinc dust paint.