Tacoma Extra Cab 4WD L4-2.7L (3RZ-FE) (1999)
Brake Caliper: Service and Repair
Disassembly and Reassembly
DISASSEMBLY
1. REMOVE CYLINDER BOOT SET RINGS AND BOOTS
Using a screwdriver, remove the 4 cylinder boot set rings and boots.
2. REMOVE PISTONS FROM CYLINDER
a. Prepare the wooden plate to hold the pistons.
b. Place the plate between the pistons and insert a pad at one side.
c. Use compressed air to remove the pistons alternately from the cylinder.
CAUTION: Do not place your fingers in front of the pistons when using compressed air.
3. REMOVE PISTON SEALS
Using a screwdriver, remove the 4 seals from the cylinder.
INSPECTION
1. MEASURE PAD LINING THICKNESS
Standard thickness: 11.5 mm (0.453 inch)
Minimum thickness: 1.0 mm (0.039 inch)
2. MEASURE DISC THICKNESS
Standard thickness: 22.0 mm (0.866 inch)