Mark VII V8-302 5.0L HO (1986)
Fig. 7 Rear Disc Brake Caliper Disassembling
DISASSEMBLE
1.
Remove caliper assembly as described previously.
2.
Remove caliper end retainer, operating shaft, thrust bearing and balls,
Fig. 7.
3.
Remove thrust screw anti-rotation pin with a magnet or tweezers. If pin cannot be removed with a magnet or tweezers, proceed with the following
procedure:
a. With tool T75P-2588B, force piston approximately one inch from caliper bore.
b. Push piston back into caliper housing with tool, then with tool in position, hold tool shaft in place and rotate handle counter clockwise until
thrust screw clears anti-rotation pin. Remove thrust screw and anti-rotation pin.
4.
Remove thrust screw by rotating with {1-4} inch Allen wrench.
5.
Install tool T75P-2588-A through back of caliper housing and remove piston assembly,
Fig. 8. Use care not to damage polished surface in
thrust screw bore and do not attempt to remove or press adjuster can, as it is a press fit in piston.
6.
Remove and discard piston seal, boot, thrust O-ring seal, end retainer, O-ring and end retainer lip seal.
