Brake System Bleeding - Toyota Hilux Surf 1993 Owner's Manual

BR–8
BRAKE SYSTEM – Checks and Adjustments
BLEEDING OF BRAKE SYSTEM
HINT: If any work is done on the brake system or if air is
suspected in the brake lines, bleed the system of air.
NOTICE: Do not let brake fluid remain on a painted sur–
face. 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.
2. BLEED MASTER CYLINDER
HINT: If the master cylinder was disassembled or if the
reservoir tank becomes empty, bleed the air from the
master cylinder.
(a) Disconnect the brake tubes from the master
cylinder.
(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) three or four times.
3. CONNECT VINYL TUBE TO WHEEL CYLINDER BLEEDER
PLUG
Insert other end of the tube in a half–full container of
brake fluid.
HINT: Begin air bleeding from the wheel cylinder with
the longest hydraulic line.
4. BLEED BRAKE LINE
(a) Slowly depress the brake pedal several times.
(b) While an assistant depresses the pedal, loosen the
bleeder plug until fluid starts to run out. Then close
the bleeder plug.
(c) Repeat this procedure until there are no more air
bubbles in the fluid.
Bleeder plug tightening torque:
11 N–m (110 kgf–cm, 8 ft–lbf)
5. REPEAT PROCEDURE FOR EACH WHEEL
6. BLEED LSP & BV