7 - Wheel bearing/wheel bearing unit
❑ The ABS sensor ring is installed in the wheel bearing
8 - Rear right/left speed sensor - G44/G46-
❑ Can be checked in “Guided Fault Finding” using vehicle diagnostic, testing and information system - VAS
5051B- or -VAS 5052-
❑ Removing and installing ⇒ page 49
9 - Diagnostic connection
❑ Fitting location: cover in driver's footwell
10 - Wheel bearing/wheel bearing unit
❑ The ABS sensor ring is installed in the wheel bearing
11 - Front right/left speed sensor - G45/G47-
❑ Can be checked in “Guided Fault Finding” using vehicle diagnostic, testing and information system -VAS
5051B- or -VAS 5052-
❑ Removing and installing ⇒ page 46
12 - ABS hydraulic unit - N55- with ABS control unit with EDL - J104-
❑ The hydraulic unit and the control unit together form the hydraulic control unit.
❑ The brake pressure sender (01435) - G201- is integrated in the ABS hydraulic unit - N55- and can only
be renewed together with this unit.
❑ Do not disconnect connector (42 pin) before successfully completing self-diagnosis. Switch off ignition
before detaching connector.
❑ Located on the hydraulic unit on left of engine compartment.
❑ Removing and installing ⇒ page 36
❑ Removing and installing (RS 6 and S6) ⇒ page 40
13 - Electric vacuum pump for brakes - V192-
❑ Removing and installing ⇒ page 185
❑ Removing and installing (S6) ⇒ page 188
Mechanical vacuum pump for brake servo ⇒ page 168
Removing and installing mechanical vacuum pump (TFSI 3.0 ltr.) ⇒ page 175
Mechanical vacuum pump for brake servo (RS 6 model) ⇒ page 177
Note
On the RS 6 model the vacuum
pump can only be removed and in‐
stalled after taking out the engine.
Audi A6 2005 ➤ , Audi A6 Avant 2005 ➤
Brake system - Edition 04.2019
32 Rep. gr.45 - Anti-lock brake system