3. Remove dirt and grease from disc and caliper components by wiping them with a
cloth dampened with clean brake fluid or isopropyl alcohol.
4. Remove the retaining bolts holding caliper to axle and remove caliper. If
necessary, loosen a bleeder to relieve pressure (This will necessitate bleeding
the brakes later.).
5. Knock the tabs holding pads in place back, and remove pads.
6. Check pistons for leakage, corrosion, and gumming. If necessary, disassemble
and service the caliper, see 1.4.3.
7. Using a C-clamp (surface that contacts pad MUST be clean.) on each piston,
force pistons into caliper to allow caliper to fit over disc.
8. Install new pads. Never mix new and used pads in the brake assembly.
NOTICE! Small metal tabs project through the mounting holes of the outboard brake
pads on the outside of the caliper. To keep the pads from floating, peen the tabs
over the edge of the hole. This should extend the life of the outer pad and eliminate
AUGUST 31, 2008 CHAPTER 3 OVERHAUL
PAGE 4 1 GENERAL REPAIR
M100 Tow Tractor Manual No. 46052
FIGURE 1. CALIPER ASSEMBLY
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