air bleeding TOYOTA LAND CRUISER 1998 Factory Repair Manual

BR12E-07
F06425
TOYOTA
Hand-held
Tester
DLC3
BR-4
- BRAKEBRAKE FLUID
2140 Author
: Date
:
2004 LAND CRUISER (RM1071U)
BRAKE FLUID
BLEEDING
HINT:

If any work is done on the brake system or if air in the
brake lines is suspected, bleed the air from the system.

When bleeding, keep the amount of the fluid within the
line of reservoir between Min. and Max.
NOTICE:

Do not let brake fluid remain on painted surfaces.
Wash it off immediately.

With the reservoir cap removed, when depressing the
brake pedal, the fluid will spray.
1. FILL RESERVOIR WITH BRAKE FLUID
Fluid: SAE J1703 or FMVSS NO. 116 DOT3
2. In case of using TOYOTA hand-held tester:
BLEED HYDRAULIC BRAKE BOOSTER
HINT:
If the hydraulic brake booster has been disassembled, discon-
nect the brake line from the hydraulic brake booster or if the res-
ervoir becomes empty, bleed the hydraulic brake booster.
(a) Turn the ignition switch OFF, depress the brake pedal
more than 40 times.
HINT:
When a pressure in power supply system is released, reaction
force becomes light and stroke becomes longer.
(b) Turn the ignition switch ON, check that the pump stops af-
ter approx. 30 to 40 sec.
NOTICE:
When the pump does not stop, repeat step (a) and (b) again.
(c) With the ignition switch remained ON, depress the brake
pedal more than 20 times.
(d) Observe the procedure in step 4 and bleed the right and
left front brake caliper.
(e) Holding the brake pedal depressed, bleed the right and
left rear brake caliper.
HINT:
It is not necessary to depress the pedal continuously, as brake
fluid flows out by first depressing.
(f) Connect TOYOTA hand-held tester.
(1) Turn the ignition switch OFF, connect the TOYOTA
hand-held tester to DLC3.
(2) Turn the ignition switch ON and select ºAIR BLEED-
INGº on the TOYOTA hand-held tester.
HINT:
Please refer to the TOYOTA hand-held tester operator's manu-
al for further details.

IN0002
Example
- INTRODUCTIONREPAIR INSTRUCTIONS
IN-7
7 Author
: Date
:
2004 LAND CRUISER (RM1071U)
(m) Installation and removal of vacuum hose:
(1) When disconnecting vacuum hoses, use tags to
identify how they should be reconnected to.
(2) After completing a job, double check that the vacu-
um hoses are properly connected. A label under the
hood shows the proper layout.
(n) Bleeding of hydraulic brake booster system
When repairing the hydraulic brake booster or ABS,
bleeding the air out of the hydraulic brake booster
(See page BR-4).
(o) Unless otherwise stated, all resistance is measured at an
ambient temperature of 20°C (68°F). Because the resis-
tance may be outside specifications if measured at high
temperatures immediately after the vehicle has been run-
ning, measurement should be made when the engine has
cooled down.

IN0002
Example
- INTRODUCTIONREPAIR INSTRUCTIONS
IN-7
7 Author
: Date
:
2004 LAND CRUISER (RM1071U)
(m) Installation and removal of vacuum hose:
(1) When disconnecting vacuum hoses, use tags to
identify how they should be reconnected to.
(2) After completing a job, double check that the vacu-
um hoses are properly connected. A label under the
hood shows the proper layout.
(n) Bleeding of hydraulic brake booster system
When repairing the hydraulic brake booster or ABS,
bleeding the air out of the hydraulic brake booster
(See page BR-4).
(o) Unless otherwise stated, all resistance is measured at an
ambient temperature of 20°C (68°F). Because the resis-
tance may be outside specifications if measured at high
temperatures immediately after the vehicle has been run-
ning, measurement should be made when the engine has
cooled down.