C 2500 Truck 2WD V8-454 7.4L (1988)
3.
Apply approximately a 2 mm (1/8 in.) bead of silicone sealer (P/N 12345739) around the perimeter of the relief valve.
4.
Install six rivets to secure the air pressure relief valve to the door module.
5.
Remove the door module mounting bolts.
6.
Remove the lock and handle rods from the back of the module and tape the rods to the door.
7.
Remove the current foam seal from the door (Figure 2).
8.
Install the new foam seal (P/N 15697102) to the door.
9.
Install the water deflectors (P/N 15697103) to each of the harness openings on the door module (Figure 3).
