B3000 SE Regular Cab 4WD V6-3.0L OHV (1998)
Brake Caliper: Service and Repair
Overhaul
DISASSEMBLY / ASSEMBLY
1. Remove the front disc brake caliper.
2. Drain remaining brake fluid from the front disc brake caliper.
3. Secure caliper in a vise.
4. Remove caliper pistons.
1) Place a block of wood between the caliper bridge and the caliper pistons.
2) Apply low air pressure to the fluid port in the disc brake caliper.
3) Force out the caliper pistons to the block of wood.
4) Remove the block of wood and the caliper pistons.
5. Remove and discard the piston seals and boots.
NOTE: Do not hone the caliper bores. Pistons are not available for honed caliper bores.
6. If the disc brake caliper is leaking, replace the piston seals. If the caliper bores are excessively scored or corroded, replace the front disc brake
caliper.
CAUTION: Never reuse piston seals or duet boots.
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.
7. Lubricate the piston boot, caliper piston, piston seal, and cylinder bores with appropriate brake fluid.
8. Install the caliper pistons.
1) Install the piston seal.
2) Install the piston boot.
CAUTION: Be careful not to damage or dislodge the piston seal.
3) Insert the caliper piston.
4) Press the caliper piston into the caliper bore, being careful not to cock the caliper piston.