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Toyota Workshop Service and Repair Manuals

Brake Proportioning/Combination Valve|Service and Repair > < Brake Proportioning/Combination Valve|Adjustments
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Rear brake fluid pressure:

HINT:
-

Depress the brake pedal while the engine is running.

-

The brake pedal should not be depressed twice and/or returned while setting to the specified pressure. Read the value of rear pressure 2
seconds after adjusting to the specified fluid pressure.

4. IF NECESSARY. ADJUST FLUID PRESSURE

a. Set the shaft length A to initial set length and tighten the adjusting bolt lock nut.

Initial set length:  26.0 mm 1.02 in.

b. Check the rear brake fluid pressure.

c. If not within specification, adjust the fluid pressure by changing the shaft length.

Low pressure - Lengthen A High pressure - Shorten A

HINT:  For every full turn of the adjusting nut, the fluid pressure will change as follows:

Fluid Pressure change

d. Torque the lock nut.

TORQUE: 13 Nm 130 kgf.cm, 9 ft.lb
If it cannot be adjusted, replace the valve body.

Brake Proportioning/Combination Valve|Service and Repair > < Brake Proportioning/Combination Valve|Adjustments