C 3500 Truck 2WD V8-454 7.4L (1985)
Figure No. 1
6.
Disconnect brake pipes from height sensing valve and brake hose, and discard short brake pipe. Reference Figure No. 1.
7.
Remove and discard height sensing valve, bracket, and bolts.
8.
Carefully reposition the rear brake pipe, and connect it to the rear brake hose.
9.
Bleed and test brake system per Section 5 of the appropriate Light Duty Service Manual.