Audi Q5: Antilock Brake System
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ABS Repair Instructions
ABS malfunctions do not affect the brake system and the
booster. Conventional brake system stays operative even without
ABS. A change in braking behavior should be checked. W
Overview - Control Module and Hydraulic Unit
1 - ABS Hydraulic Unit -N55- with ABS Control Module -J104-
Installed location: in the front left engine compartment.
Refer to
→ Chap
Overview - Front Axle Speed Sensor
1 - Speed Sensor
Right Front ABS Wheel Speed Sensor -G45-/Left Front ABS Wheel Speed
Sensor -G47-
Refer to → Chapter "Right/Left Front ABS Whee
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Wheel bolts
Wheel bolts must be clean and loosen/tighten easily.
Rims
Rims with a bolted rim ring or with bolted wheel covers consist of multiple
pieces. These components were bolted together using special bolts and a special
procedure. You must not repair or disassemble them.
WARNING
Wheel bolts
Component Location Overview - Transmission Control
Diagnostic Connection
Installed location: the diagnostic connection for the
Vehicle Diagnostic Tester in inside the footwell on the driver
side.
All Wheel Drive Control Module -J492- in the A4 Sedan, A5
Coupe and the A5 Cabriolet
Component locat
General Information
