Hydraulic System, Bleeding With Brake Charger/Bleeder Unit
Special tools and workshop equipment required
- Brake Charger/Bleeder Unit VAS5234 with Brake Bleeder Adapter VAS5234/1
Procedure
- Brake fluid is poisonous. NEVER siphon brake fluid with your mouth!
- Wash off any brake fluid that comes into contact with the skin with a lot of water.
- If brake fluid comes in contact with the eyes, wash out the eye(s) and see a doctor.
- Refer to BRAKE FLUID GENERAL INFORMATION
- Tightening specifications, refer to OVERVIEW - FRONT BRAKES, 1LA, 1LJ, 1ZB AND 1ZT .
-- Connect the Brake Charger/Bleeder Unit VAS5234 with Brake Bleeder Adapter VAS5234/1.
-- Remove the cap -1- on each brake caliper bleed screw and connect the container bleed hose to the bleed screw.
Bleeding sequence
- Left front brake caliper
- Right front brake caliper
- Left rear brake caliper
- Right rear brake caliper
-- Leave the bleed screw open, with container hose connected, until brake fluid flows out clear and free of air bubbles.
-- Press brake pedal 5 times to assist bleeding procedure.
-- Tighten the bleed screw, remove the bleed hose and connect put the cap on the bleed screw.
-- Repeat the bleeding procedure in the specified sequence for the other brake calipers.
-- Fill the brake fluid reservoir under consideration of brake pad wear up to the max marking and screw on the fuel cap.
-- Start the engine and check the brake pedal travel and pressure.
-- If the pedal travel is too long, check the brake system for leaks and repeat the bleeding procedure, if necessary.
-- After bleeding brake system, perform zero adjustment on Brake Pressure Sensor 1 -G201-, refer to Vehicle Diagnostic Tester.
A road test must be performed after bleeding. During this, at least one ABS regulation must be performed at all four wheels!
Changing the brake fluid,
There is the risk of an accident.
- Make sure the brakes are working correctly before driving the vehicle.