A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000): Brakes and Traction Control

Also for this vehicle: A4 Cabriolet L4-1.8L Turbo (AMB) (2005), A4 Cabriolet L4-2.0L Turbo (BWT) (2007), A4 Cabriolet Mk2, A4 Cabriolet V6-3.0L (AVK) (2003), A4 Mk1, A4 Mk2, A4 Mk3, A4 Quattro Cabriolet L4-2.0L Turbo (BWT) (2009), A4 Quattro Cabriolet V6-3.0L (BGN) (2005), A4 Quattro Cabriolet V6-3.2L (BKH) (2007), A4 Quattro Sedan L4-1.8L Turbo (AEB) (1998), A4 Quattro Sedan L4-1.8L Turbo (ATW) (2000), A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001), A4 Quattro Sedan L4-2.0L Turbo (BPG) (2005), A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009), A4 Quattro Sedan V6-2.8L (ACK) (1997), A4 Quattro Sedan V6-3.0L (AVK) (2002), A4 Quattro Sedan V6-3.2L (BKH) (2005), A4 Quattro Wagon (8K5) L4-2.0L Turbo (CAEB) (2011), A4 Quattro Wagon L4-1.8L Turbo (AEB) (1999), A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001), A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005), A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009), A4 Quattro Wagon V6-2.8L (AHA) (1998), A4 Quattro Wagon V6-3.0L (AVK) (2002), A4 Quattro Wagon V6-3.2L (BKH) (2005), A4 Sedan L4-1.8L Turbo (AEB) (1997), A4 Sedan L4-1.8L Turbo (ATW) (2000), A4 Sedan L4-1.8L Turbo (AWM) (2001), A4 Sedan L4-2.0L Turbo (BPG) (2005), A4 Sedan V6-2.8L (AFC) (1996), A4 Sedan V6-2.8L (AHA) (1998), A4 Sedan V6-3.0L (AVK) (2002), A4 Sedan V6-3.2L (BKH) (2007), A4 V6-3.0L (AVK) (2004).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
- Antilock Brakes / Traction Control Systems275 pages
  - Brake Fluid Pump › Component Information38 pages
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
    Service and Repair › Electronic Stability Program (ESP) Hydraulic Pump2 3 4 5
  - Brake Fluid Pump Relay › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Brake Fluid Solenoid Valve Relay › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Braking Sensor/Switch › Component Information › Locations2 3 4 5 6 7 8 9
  - Electronic Brake Control Module › Component Information35 pages
    Technical Service Bulletins › TCS/ABS - ESP Lamp ON/DTC Stored In ECM2
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Hydraulic Control Assembly - Antilock Brakes › Component Information43 pages
    Locations
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
    Service Precautions › Bosch 5.02
    Service and Repair7 pages
    Bosch 5.0 › ABS Hydraulic Unit and Brake Lines2 3 4
    Bosch 5.3 › ABS Hydraulic Control Unit and Brake Lines2 3
  - Steering Angle Sensor, Traction Control › Component Information › Locations2 3 4 5 6 7
  - Traction Control Relay › Component Information › Locations2
  - Traction Control Switch › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Wheel Speed Sensor › Component Information42 pages
    Technical Service Bulletins4 pages
    Customer Interest for Wheel Speed Sensor: › 4508042
    All Technical Service Bulletins for Wheel Speed Sensor: › 4508042
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
    Service and Repair5 pages
    ABS Wheel Speed Sensor › Front2 3
    ABS Wheel Speed Sensor Rotor › Front2
- Brake Bleeding › System Information › Service Precautions › Technician Safety Information2
- Brake Pedal Assy › Component Information9 pages
- Brake Warning Indicator › Brake Pad Wear Sensor › Component Information › Diagrams33 pages
  - Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
  - Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
- Disc Brake System65 pages
  - Brake Caliper › Component Information18 pages
    Specifications
    Service and Repair17 pages
    Front10 pages
    Removing and Installing2
    Overhaul › Teves/ATE Front Brake Calipers, servicing2 3 4 5 6 7 8
    Rear › Rear Brake Calipers, Servicing2 3 4 5 6 7
  - Brake Pad › Brake Pad Wear Sensor › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Brake Rotor/Disc › Component Information14 pages
    Technical Service Bulletins8 pages
    Customer Interest for Brake Rotor/Disc: › 46-00-012 3 4
    All Technical Service Bulletins for Brake Rotor/Disc: › 46-00-012 3 4
    Service and Repair › Front Brakes, Servicing › Dual Piston Caliper2 3 4 5 6
- Hydraulic System, Brakes112 pages
  - Brake Bleeding › System Information › Service Precautions › Technician Safety Information2
  - Brake Caliper › Component Information18 pages
    Specifications
    Service and Repair17 pages
    Front10 pages
    Removing and Installing2
    Overhaul › Teves/ATE Front Brake Calipers, servicing2 3 4 5 6 7 8
    Rear › Rear Brake Calipers, Servicing2 3 4 5 6 7
  - Brake Fluid › Component Information4 pages
    Specifications › Capacity Specifications2
    Service Precautions › Technician Safety Information2
  - Brake Fluid Level Sensor/Switch › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Hydraulic Control Assembly - Antilock Brakes › Component Information43 pages
    Locations
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
    Service Precautions › Bosch 5.02
    Service and Repair7 pages
    Bosch 5.0 › ABS Hydraulic Unit and Brake Lines2 3 4
    Bosch 5.3 › ABS Hydraulic Control Unit and Brake Lines2 3
  - Brake Master Cylinder › Component Information12 pages
    Specifications
    Diagrams › W/ 23.81 mm (0.937) Piston Diameter2
    Description and Operation › W/ 23.81 mm (0.937) Piston Diameter2 3 4
    Service and Repair › With 23.81mm (0.937 Inch) Diameter Piston2 3 4 5
- Parking Brake System40 pages
  - Parking Brake Cable › Component Information › Service and Repair2 3
  - Parking Brake Lever › Component Information4 pages
    Adjustments2
    Service and Repair › Parking Brake Lever Trim, Removing and Installing2
  - Parking Brake Warning Switch › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
- Power Brake Assist8 pages
  - Hydraulic Brake Booster Pump Relay › Component Information › Locations2
  - Vacuum Brake Booster › Component Information6 pages
    Specifications
    Service and Repair › With 23.81 mm (0.937 Inch) Diameter Piston2 3 4 5
- Relays and Modules - Brakes and Traction Control105 pages
  - Brake Fluid Pump Relay › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Brake Fluid Solenoid Valve Relay › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Electronic Brake Control Module › Component Information35 pages
    Technical Service Bulletins › TCS/ABS - ESP Lamp ON/DTC Stored In ECM2
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Hydraulic Brake Booster Pump Relay › Component Information › Locations2
  - Traction Control Relay › Component Information › Locations2
- Sensors and Switches - Brakes and Traction Control190 pages
  - Brake Fluid Level Sensor/Switch › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Brake Pad Wear Sensor › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Braking Sensor/Switch › Component Information › Locations2 3 4 5 6 7 8 9
  - Parking Brake Warning Switch › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Steering Angle Sensor, Traction Control › Component Information › Locations2 3 4 5 6 7
  - Traction Control Switch › Component Information › Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
  - Wheel Speed Sensor › Component Information42 pages
    Technical Service Bulletins4 pages
    Customer Interest for Wheel Speed Sensor: › 4508042
    All Technical Service Bulletins for Wheel Speed Sensor: › 4508042
    Diagrams33 pages
    Diagram Information and Instructions › Wiring Diagram Layout2 3 4 5 6 7 8 9 10
    Diagnostic Aids23 pages
    Troubleshooting Basics › Basic Electricity2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Tools and Equipment › LED Test Light2 3 4 5 6 7 8
    Service and Repair5 pages
    ABS Wheel Speed Sensor › Front2 3
    ABS Wheel Speed Sensor Rotor › Front2
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections