90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990): Brakes and Traction Control

Also for this vehicle: 90 L5-2309cc 2.3L SOHC (NG) (1988), 90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989), 90 Quattro Sport V6-2.8L (AFC) (1995), 90CS Quattro V6-2.8L (AAH) (1994), 90CS Quattro V6-2.8L (AFC) (1995), 90S Quattro (Canada) V6-2.8L (AAH) (1993), 90S Quattro (Canada) V6-2.8L (AFC) (1995), 90S, CS V6-2.8L (AAH) (1994), 90S, CS V6-2.8L (AFC) (1995).

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 Systems97 pages
  - ABS Light › Component Information › Technical Service Bulletins2 pages
    Customer Interest for ABS Light: › 459102
    All Technical Service Bulletins for ABS Light: › 459102
  - ABS Main Relay › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Brake Fluid Pump › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Brake Fluid Pump: › 459104
    All Technical Service Bulletins for Brake Fluid Pump: › 459104
  - Differential Lock Switch › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Differential Lock Switch: › 459102
    All Technical Service Bulletins for Differential Lock Switch: › 459102
  - ABS Control Module <--> [Electronic Brake Control Module] › Component Information18 pages
    Locations › ABS Control Unit2 3
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Hydraulic Control Assembly - Antilock Brakes › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Lateral Accelerometer › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Differential Lock Control Unit <--> [Traction Control Module] › Component Information › Locations
  - Wheel Speed Sensor › Component Information25 pages
    Technical Service Bulletins8 pages
    Customer Interest: › 459104
    All Technical Service Bulletins for Wheel Speed Sensor: › 4591012 3 4
    All Other Service Bulletins for Wheel Speed Sensor: › 4591012 3
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Service and Repair › Front Wheel Speed Sensors2
- Brake Bleeding › System Information › Technical Service Bulletins › Brake System - Bleeding2
- Brake Pedal Assy › Component Information › Tools and Equipment › Brake Push Rod Release Tool - AST Tool # T 10006 A2
- Disc Brake System36 pages
  - Brake Caliper › Component Information8 pages
    Specifications › Technical Data2
    Service and Repair › Front Brake Caliper, Servicing › Dual Piston Caliper2 3 4 5 6
  - Brake Pad › Component Information13 pages
    Technical Service Bulletins8 pages
    Customer Interest for Brake Pad: › 46-00-012 3 4
    All Technical Service Bulletins for Brake Pad: › 46-00-012 3 4
    Testing and Inspection › Brake Pad Thickness, Checking2
    Service and Repair › Front › Girling2 3
  - Brake Rotor/Disc › Component Information15 pages
    Technical Service Bulletins10 pages
    Customer Interest: › 46-00-012 3 4
    All Technical Service Bulletins for Brake Rotor/Disc: › 46-00-012 3 4 5
    All Other Service Bulletins for Brake Rotor/Disc: › 4688T03
    Specifications › Technical Data2 3
    Service and Repair › Front Brakes, Servicing › Girling2
- Hydraulic System, Brakes35 pages
  - Brake Bleeding › System Information › Technical Service Bulletins › Brake System - Bleeding2
  - Brake Caliper › Component Information8 pages
    Specifications › Technical Data2
    Service and Repair › Front Brake Caliper, Servicing › Dual Piston Caliper2 3 4 5 6
  - Brake Fluid › Component Information › Technical Service Bulletins › Brake Fluid - Chaning or Topping Off2
  - Brake Fluid Level Sensor/Switch › Component Information › Locations
  - Brake Proportioning/Combination Valve › Component Information › Testing and Inspection
  - Hydraulic Control Assembly - Antilock Brakes › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Brake Pressure Regulator <--> [Load Compensator, Rear Wheel Brakes] › Component Information3 pages
    Technical Service Bulletins › Brake Pressure Regulator - New Adapter for Adjustment
    Service and Repair › Checking2
  - Brake Master Cylinder › Component Information › Technical Service Bulletins › Brake Master Cylinder/Reservoir Rubber Plug Leaking
- Parking Brake System › Parking Brake Warning Switch › Component Information › Locations
- Power Brake Assist › Hydraulic Brake Servo <--> [Hydraulic Brake Booster] › Component Information › Technical Service Bulletins › New Hydraulic Brake Servo - Proper Installation › New Hydraulic Brake Servo - Proper Installation2 3 4 5 6 7
- Relays and Modules - Brakes and Traction Control34 pages
  - ABS Main Relay › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - ABS Control Module <--> [Electronic Brake Control Module] › Component Information18 pages
    Locations › ABS Control Unit2 3
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Differential Lock Control Unit <--> [Traction Control Module] › Component Information › Locations
- Sensors and Switches - Brakes and Traction Control43 pages
  - Brake Fluid Level Sensor/Switch › Component Information › Locations
  - Differential Lock Switch › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Differential Lock Switch: › 459102
    All Technical Service Bulletins for Differential Lock Switch: › 459102
  - Lateral Accelerometer › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Parking Brake Warning Switch › Component Information › Locations
  - Wheel Speed Sensor › Component Information24 pages
    Technical Service Bulletins7 pages
    Customer Interest: › 459104
    All Technical Service Bulletins: › 4591012 3 4
    All Other Service Bulletins for Wheel Speed Sensor: › 6691012
    All Other Service Bulletins for Wheel Speed Sensor: › 669101
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Service and Repair › Front Wheel Speed Sensors2
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