Legacy L Wagon AWD F4-2.2L SOHC (1997)
Brake Bleeding: Service and Repair
With TCS Model
Rules For Effective Bleeding
RULES FOR EFFECTIVE BLEEDING
1) Pressure is not applied to suction pipe by depressing brake pedal. When any of the following are performed, bleed air from suction pipe by air
bleeding control operation.
NOTE: For TCS vehicle, suction pipe is installed between master cylinder and hydraulic unit to allow flow of brake fluid between them during
ABS and TCS operation.
(1) When brake pipe is disconnected from master cylinder.
(2) When brake pipe between hydraulic unit and master cylinder is disconnected.
(3) When fluid is emptied from reservoir tank.
2) The time interval between two brake pedal operations (from the time when the pedal is released to the time when it is depressed another time) shall
be approximately 3 seconds.
3) The air bleeder on each brake shall be released for 1 to 2 seconds.
Bleeding Procedure With Air Bleeding Control
BLEEDING PROCEDURE WITH AIR BLEEDING CONTROL
Bleeding Procedure
CAUTION:
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The FMVSS No.116, fresh DOT 3 or 4 brake fluid must be used.
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Cover bleeder with waste cloth, when loosening it, to prevent brake fluid from being splashed over surrounding parts.
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Avoid mixing different brands of brake fluid to prevent degrading the quality of the fluid.
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Be careful not to allow dirt or dust to get into the reservoir tank.
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During bleeding operation, keep the brake reserve tank filled with brake fluid to eliminate entry of air.
NOTE:
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Brake pedal operating must be very slow.
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For convenience and safety, it is advisable to have two man working.
1) tart air bleeding control operation.
2) Make sure that there is no leak from joints and connections of the brake system.
3) Bleed air through front RH caliper by operating brake pedal.
(1) Fit one end of vinyl tube into the air bleeder and put the other end into a brake fluid container.
(2) Slowly depress the brake pedal and keep it depressed. Then, open the air bleeder to discharge air together with the fluid.
Release air bleeder for 1 to 2 seconds.
Next, with the bleeder closed, slowly release the brake pedal.
Repeat these steps until there are no more air bubbles in the vinyl tube.
Allow 3 to 4 seconds between two brake pedal operations.
CAUTION: Cover bleeder with waste cloth, when loosening it, to prevent brake fluid from being splashed over surrounding parts.
NOTE: Brake pedal operating must be very slow.
4) Bleed air from suction pipe through front RH caliper.
(1) Open the air bleeder.
(2) Keep pressing TCS OFF switch for 20 seconds or more.
