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)
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)
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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)
–
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
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)
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.
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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
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