Disassembly and Assembly

DISASSEMBLY:
- Remove the Rear Disc Brake Caliper; refer to the procedure in this section.

CAUTION: Do not remove the guide pins or guide pin boots unless a problem is suspected. The guide pins are meant to be sealed for life and are not repairable. At the time of publication there are no approved materials or procedures for re-lubing the caliper slide pins. Other greases may swell the guide pin boots resulting in contamination and accelerated corrosion or wear of the caliper slide pin mechanism.

- Drain the remaining brake fluid from the rear disc brake caliper.
- Secure the rear disc brake caliper in a vise.

Rear Wheel Disc Brake Caliper - Piston Removal Stop:

- Remove the caliper piston.
1 Place a block of wood between the caliper bridge and the caliper piston.
2 Apply low air pressure; to the fluid port in the rear disc brake caliper.
3 Force out the caliper piston to the block of wood.
4 Remove the block of wood and the caliper piston.

Remove Piston Seal And Dust Boot:

- Remove and discard the piston seal and dust boot.

NOTE: Do not hone the cylinder bore. Pistons are not available for honed cylinder bores. If the rear disc brake caliper cylinder bore is excessively scored or corroded, replace the rear disc brake caliper.

ASSEMBLY:
CAUTION: Never reuse the piston seal or dust boot.

NOTE: Never reuse brake fluid that has been drained from the hydraulic system or has been allowed to stand in an open container for an extended period of time.





- Lubricate the following with High Performance DOT 3 Brake Fluid C6AZ-19542-AB or DOT 3 equivalent meeting Ford specification ESA-M6C25-A.
1 Cylinder bore.
2 Piston seal.
3 Caliper piston.
4 Piston dust boot.

Rear Wheel Disc Brake Caliper:

- Install the caliper piston.
1 Install the piston seal.
2 Install the piston dust boot.
3 Install the caliper piston.

CAUTION: Be careful not to damage or dislodge the piston seal.

- Install the Rear Disc Brake Caliper, refer to the procedure in this section.
- Bleed brake system; refer to hydraulic system service and repair.