Kia Carens. Manual - part 218

Inspection

Rear drum brake

1. Raise and suitably support rear of vehicle.

2. Remove rear wheels and release parking brake.

3. Using an impact driver, remove two mounting screws holding brake drum. Remove drum.

If brake drum is difficult to remove, thread two 0.3 in (8 mm) jacking bolts into two threaded holes
provided on drum face and tighten evenly.

4. Inspect wheel cylinders for brake fluid leaks.

5. Measure lining thickness. Replace both linings if either is less than specification.

Minimum lining thickness : 0.04 in (1.0 mm)

6. Inspect lining for cracks, uneven wear or oil contamination. Repair or replace as necessary.

7. Measure drum inside diameter. Replace drum if diameter is greater than specification.

Maximum diameter : 9.0 in (228.6 mm)

8. Inspect drums for cracks, grooves or uneven wear.

Resurface or replace as necessary.

9. Verify new or repaired drum-to-shoe contact.

Disassembly

Wheel cylinder

1. Remove the brake shoe assembly.

Removal and replacement procedure.

2. Disconnect the brake line using a flare nut wrench.

Be prepared to catch escaping fluid.

3. Remove two wheel cylinder mounting bolts.

Remove the wheel cylinder.

4. Remove dust boots from each end of the cylinder.

5. Remove all internal parts by pushing them through the cylinder body.

6. Remove the rubber cap, bleeder screw them through ball.

7. Thoroughly clean the cylinder bore inlet and bleeder ports with isopropyl alcohol. Inspect for corrosion,

scoring or ridges.

Replace the entire wheel cylinder assembly if a problem is found.

Reassembly

Wheel cylinder

1. Make sure that all parts are clean and all cleaning solvents have been removed.

2. Coat all internal parts with clean brake fluid,

3. Install internal parts as shown in diagram.

4. Install steel ball, bleeder screw and rubber cap.

5. Install dust boots over each end of the cylinder.

6. Mount cylinder on backing plate and install the two bolts.

Tightening torque: 9~9 lb-ft (10~13 N-m, 1.0~1.3 kg-m)

7. Connect brake line. Tighten the brake line flare nuts.

Tightening torque: 9~16 lb-ft (12~22 N-m, 1.3~2.2 kg-m)

8. To install brake shoe assembly, removal and replacement procedure.

  2001 > 1.8L DOHC >

 

Inspection

Brake pipe

1. Check for cracks, damage, and corrosion of brake pipe.

Replace pipe of flare nut(s) if necessary.

Flexible hose

1. Check for scars, cracks, and swelling of flexible hose.

Replace hose if necessary.

Brake fluid (Leakage inspection)

1. Depress brake pedal several times and inspect for leakage in brake line system.

Brake fluid level (Leakage check)

1. Verify that fluid level in reservoir is between Max and Min lines on reservoir.

Add fluid if it is below Min.

Power brake unit function check (simple method)

1. Step 1

(1) With engine off, and depress the pedal a few times.

(2) Start engine.

(3) If pedal moves downward immediately after engine starts; it will be an indication for operation of power

brake unit.

2. Step 2

(1) Start engine.

(2) Stop engine after 1 or 2 minutes.

(3) Depress pedal with usual force.

(4) If first pedal stroke is long and second stroke is shorter then first stroke, it will be an indication for

operation of power brake unit.

(5) If a problem is found, inspect of check valve or vacuum hose for damage and examine installation.

Repair if necessary, and recheck.

3. Step 3

(1) start engine

(2) Depress pedal with usual force.

(3) Stop engine.

(4) Hold pedal down for about 30 seconds.

(5) If pedal height does not change, unit is operating.

(6) If there is a problem, inspect check valve or vacuum hose for damage, and check connection. Repair if

necessary, and recheck.

If nature of problem is still under follow more detailed inspection described in "Method using tester". below.

Method using tester