K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
1. If you are installing new brake pads, use a C-clamp in order to compress the piston to the bottom of the caliper bore. Use the old brake pad, a
metal plate or a wooden block across the face of the piston in order to protect the piston and the caliper boot.
Important: Use a small flat-bladed tool and lift the inner edge caliper boot next to the piston to release any trapped air.
2. Ensure that the piston boot is below the level of the piston face.
3. Install the caliper.
4. Perform the following procedure before installing the caliper guide pin bolts (115 Series pickups only).
4.1.
Remove all traces of the original adhesive patch.
4.2.
Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
4.3.
Apply Threadlocker GM P/N 12345493 or Red LOCTITE TM #272 to the threads of the bolt.
5. Install, but do not tighten the caliper guide pin bolts (15 series pickups).
6. Install, but do not tighten the caliper guide pin bolts (15/25 series utilities, 25/35 series pickup).
Notice: Refer to Fastener Notice in Service Precautions.
7. Tighten the caliper guide pin bolts.
^
Tighten the caliper guide pin bolts to 42 Nm (31 ft. lbs.) (115 series).
^
Tighten the caliper guide pin bolts to 108 Nm (80 ft. lbs.) (25 series).
