Rear Brake Caliper Components

Pump Brake ToyotaLithium Soap Base Glycol Grease

I N'm (kgt'cm, ft'ibl] j: Specified torque ♦ Non-reusable part

Lithium soap base glycol grease N O Disc brake grease

Toyota Carina Brake Hose Rear

REMOVAL

1. REMOVE REAR WHEEL

2. DISCONNECT FLEXIBLE HOSE

(a) Remove the union bolt and gasket from the caliper, then disconnect the flexible hose from the caliper. Torque: 30 N m (310 kgf cm, 22 ft Ibf)

HINT:

At the time of installation, insert the flexible hose lock securely in the lock hole in the caliper.

(b) Use a container to catch the brake fluid as it drains out.

3. REMOVE CALIPER

(a) Remove the 2 installation bolts and caliper. Torque: 47 N m (475 kgfcm, 34 ft lbf)

(b) Remove the caliper from the torque plate.

4. REMOVE 2 PADS WITH ANTI-SQUEAL SHIMS

DISASSEMBLY

1. REMOVE SET RING AND CYLINDER BOOT

Using a screwdriver, remove the set ring and cylinder boot.

2. REMOVE PISTON

(a) Put a piece of cloth or an equivalent between the piston and caliper,

(b) Use compressed air to remove the piston from the cylinder.

CAUTION:

Do not place your fingers in front of the piston when using compressed air.

3. REMOVE PISTON SEAL FROM CYLINDER

Using a screwdriver, remove the piston seal.

4. REMOVE 2 SLIDING BUSHINGS AND 3 DUST BOOTS

BR-39

INSPECTION

1. MEASURE PAD LINING THICKNESS

Using a ruler, measure the pad lining thickness. Standard thickness: 10.0 mm (0.394 In.) Minimum thickness: 1.0 mm (0.039 in.)

Replace the pad if the pad's thickness is at the minimum thickness or less, or if the pad has severe, uneven wear.

2. MEASURE DISC THICKNESS

Using a micrometer, measure the disc thickness. Standard thickness: 9.0 mm (0.354 in.) Minimum thickness: 7.5 mm (0.295 in.)

Replace the disc if the disc's thickness is at the minimum thickness or less. Replace the disc or grind it on a lathe if it is scored or worn unevenly.

Disc Runout

3. MEASURE DISC RUNOUT

Using a dial indicator, measure disc runout at a position 10 mm (0.39 in.) from the outside edge.

Maximum disc runout: 0.15 mm (0.0059 in.)

If the disc's runout is at the maximum value or greater, check the bearing play is in the axial direction and check the axle hub runout (See page SA-55). If the bearing pfay and axle hub runout are not abnormal, adjust the disc runout or grind it on a "On-car" brake lathe,

4. IF NECESSARY, ADJUST DISC RUNOUT

(a) Remove the hub nuts and the disc. Reinstali the disc in the position turned 1/5 from its original position on the hub. Install and torque the hub nuts.

Torque: 103 N m (1,050 kgf-cm, 76 ft lbf) Remeasure the disc runout. Make a note of the runout and the disc's position on the hub.

(b) Repeat (a) untii the disc has been installed on the 3 remaining hub positions.

(c) If the minimum runout recorded in (a) and (b) is less than 0.15 mm (0.0059 in.), install the disc in that position.

(d) If the minimum runout recorded in (a) and (b) is greater than 0.15 mm (0.0059 in.), replace the disc and repeat step 3.

REASSEMBLY

Reassembly is in the reverse order of disassembly (See page 8R-38). NOTICE;

Apply lithium soap base glycol grease to the parts indicated by the arrows (See page BR-36).

INSTALLATION

installation is in the reverse order of removal (See page BR-37).

HINT:

• After installation, fill the brake reservoir with brake fluid and bleed the brake system {See page BR-4).

Check for leaks.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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Responses

  • auli
    How to replace piston in rear brake caliper on toyota celica?
    6 years ago

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