Toyota Sequoia (2005). Manual - part 795

BR08P–07

BR–2

–

BRAKE

TROUBLESHOOTING

3169

TROUBLESHOOTING

PROBLEM SYMPTOMS TABLE

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.

Symptom

Suspect Area

See page

Low pedal or spongy pedal

1. Fluid leaks for brake system

2. Air in brake system

3. Piston seals (Worn or damaged)

4. Master cylinder (Faulty)

DI–1059

BR–4

BR–27

BR–36

BR–15

Brake drags

1. Brake pedal free play (Minimum)

2. Parking brake pedal travel (Out of adjustment)

3. Parking brake wire (Sticking)

4. Parking brake (Shoe clearance out of adjustment)

5. Pad (Cracked or distorted)

6. Piston (Stuck)

7. Piston (Frozen)

8. Tension or return spring (Faulty)

9. Vacuum leaks for booster system

10.Master cylinder (Faulty)

BR–6

BR–9

–

BR–42

BR–24

BR–33

BR–27

BR–36

BR–27

BR–36

BR–42

BR–21

BR–15

Brake pulls

1. Piston (Stuck)

2. Pad (Cracked or distorted)

3. Piston (Frozen)

4. Disc (Scored)

5. Vacuum leaks for booster system

6. Master cylinder (Faulty)

BR–27

BR–36

BR–24

BR–33

BR–27

BR–36

BR–30

BR–39

BR–21

BR–15

–

BRAKE

TROUBLESHOOTING

BR–3

3170

Hard pedal but brake inefficient

1. Fluid leaks for brake system

2. Air in brake system

3. Pad (Worn)

4. Pad (Cracked or distorted)

5. Pad (Oily)

6. Pad (Glazed)

7. Disc (Scored)

8. Vacuum leaks for booster system

DI–1059

BR–4

BR–24

BR–33

BR–24

BR–33

BR–24

BR–33

BR–24

BR–33

BR–30

BR–39

BR–21

Noise from brakes

1. Pad (Cracked or distorted)

2. Installation bolt (Loose)

3. Disc (Scored)

4. Pad support plate (Loose)

5. Sliding pin (Worn)

6. Pad (Dirty)

7. Pad (Glazed)

8. Tension or return spring (Faulty)

9. Anti–squeal shim (Damaged)

10.Shoe hold–down spring (Damaged)

BR–24

BR–33

BR–27

BR–36

BR–30

BR–39

BR–33

BR–36

BR–24

BR–33

BR–24

BR–33

BR–42

BR–24

BR–33

BR–42

BR08Q–05

F13310

F13311

F13312

BR3885

BR–4

–

BRAKE

BRAKE FLUID

3171

BRAKE FLUID

BLEEDING

HINT:
If any work is done on the brake system or if air is suspected in
the brake lines, bleed the air from the system.
NOTICE:
Do not let brake fluid remain on a painted surface. Wash it
off immediately.

1.

FILL BRAKE RESERVOIR WITH BRAKE FLUID

Check the fluid level in the reservoir after bleeding each wheel.
Add fluid, if necessary.

Fluid: SAE J1703 or FMVSS No. 116 DOT3

2.

BLEED MASTER CYLINDER

HINT:
If the master cylinder was disassembled or if the reservoir be-
comes empty, bleed the air from the master cylinder.
(a)

Disconnect the brake lines from the master cylinder.
SST

09751–36011

(b)

Slowly depress the brake pedal and hold it.

(c)

Block off the outlet plug with your finger, and release the
brake pedal.

(d)

Repeat (b) and (c) 3 or 4 times.

3.

BLEED BRAKE LINE

(a)

Connect the vinyl tube to the caliper.

(b)

Depress the brake pedal several times, then loosen the
bleeder plug with the pedal held down.

(c)

At the point when fluid stops coming out, tighten the
bleeder plug, then release the brake pedal.
Torque: 11 N·m (110 kgf·cm, 8 ft·lbf)

(d)

Repeat (b) and (c) until all the air in the fluid has been bled
out.

–

BRAKE

BRAKE FLUID

BR–5

3172

(e)

Repeat the procedure on the previous page to bleed the
air out of brake line for each wheel.

4.

CHECK FLUID LEVEL IN RESERVOIR

Check the fluid level and add fluid if necessary.

Fluid: SAE J1703 or FMVSS No. 116 DOT3