Audi Workshop Service and Repair Manuals

Special tools, testers and other items required

• ◆ Brake filling and bleeding appliance V.A.G 1238 B

Or

• ◆ Brake filling and bleeding appliance V.A.G 1869

Notes:

• ◆ Bleed system after working on hydraulic clutch mechanism.
• ◆ Before bleeding, top up reservoir with brake fluid as far as "max" mark.
• ◆ Open bleed valve before switching on bleeding appliance.
• ◆ Make sure no brake fluid escapes onto gearbox when performing the following work.

• ‒ Pull back clutch pedal into rest position.
• ‒ Engage 3rd gear.

• ‒ Connect up brake filling and bleeding appliance V.A.G 1238 B of V.A.G 1869, but do not as yet switch on.
• ‒ If fitted, remove noise insulation beneath gearbox.

Vehicles with 6-cylinder engine:

• ‒ → Remove heat shield for inner left joint from gearbox -arrows-.
• ‒ Detach drive shaft -1- on left of gearbox and lay aside.
• ‒ Unplug connector at speedometer sender.

All models:

• ‒ → Connect bleed hose -A- at slave cylinder (arrow) and open bleed valve.
• ‒ Connect bleed hose to pressure hose of collector.

• ‒ Then switch on bleeding appliance and allow approx. 100 cm3 of brake fluid to drain out.
• ‒ Working pressure 2.5 bar

Note:

Make sure bleed hose is correctly fitted when bleeding.

• ‒ Close bleed valve (4.5 Nm).
• ‒ Press clutch pedal several times following completion of bleeding process.
• ‒ Bleed system again if necessary.

Vehicles with 6-cylinder engine:

• ‒ Attach connector to speedometer sender.
• ‒ Screw left drive shaft to flange shaft.

=> Running Gear, Front-wheel Drive and Four-wheel Drive; Repair Group 40

• ‒ → Screw (25 Nm) heat shield for inner left joint to gearbox -arrows-.