Navigator 2WD V8-5.4L DOHC VIN R (2001)
4. Remove the 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.
6. NOTE: Do not hone the cylinder bores. Pistons are not available for honed cylinder bores.
If the cylinder bores are excessively scored or corroded, replace the disc brake caliper.
Assembly
CAUTION: Never reuse piston seals and dust 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.
