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

MODEL 166 

1. Expose spot welds on rear longitudinal member (1) and cut out (areas Q, R and S).
2. Remove longitudinal member end plate.

   Shown on model 166.8 

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

3. Grind mating surfaces on rear longitudinal member (1) down to bare metal in crosshatched areas.

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

4. Remove shavings and drill chips.
5. Coat insides of spot weld flanges with zinc dust paint.