Hydraulic clutch system, bleeding

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Special tools, testers and auxiliary items required

Fig 1: Identifying Brake Filler And Bleeder Unit VAS 5234

GW00001319

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Brake filling and bleeding equipment VAS 5234 or brake filling and bleeding equipment V.A.G 1869
Brake fluid specification → 47 - BRAKES - HYDRAULIC COMPONENTS .

Procedure

NOTE:

Open the bleeder valve before switching on the bleeding appliance.
When performing the following steps, make sure that no brake fluid escapes onto the transmission.
The clutch system must be bled after performing work on the hydraulic clutch mechanism.
Before bleeding the clutch system, pull back the clutch pedal to the normal position and top off brake fluid to "Max" marking on brake fluid reservoir.

The clutch system should be bled at the same intervals as the brake system.

Connect brake charge and bleed equipment V.A.G1869 or VAS 5234, but do not switch on at this stage.

Fig 2: Identifying Quick-Release Fasteners And Noise Insulation

GW00017429

Courtesy of VOLKSWAGEN UNITED STATES, INC.

If installed, remove rear part of noise insulation - 2 to 3 -.

Fig 3: Axle Shaft Noise Insulation Retainers

GW00006076

Courtesy of VOLKSWAGEN UNITED STATES, INC.

If installed, remove noise insulation cover - arrows - in wheel housing (left-side).

Fig 4: Axle Shaft Shielding Plate

GW00004837

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove heat shield - arrows - for driveshaft (left-side).

Fig 5: Connecting Bleeder Hose To Clutch Slave Cylinder

GW00005256

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connect bleeder hose - A - to slave cylinder - arrow - and open bleeder valve.
Connect bleeder hose to pressure hose of fluid collector bottle.
Switch on bleeder appliance and allow about 100cm³ of brake fluid to drain out.

Operating pressure 2.5 bar

NOTE:

Ensure bleeder hose is correctly installed during bleeding operation.

Close bleeder valve and tighten to4.5Nm.
Depress clutch pedal several times after bleeding process is completed.
Repeat bleeding procedure if necessary.
Bolt heat shield for drive shaft onto transmission.

Tightening torque

Component	Nm
Heat shield for drive shaft to transmission	23