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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1999 Audi A4 car and truck
repair procedures including Audi engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1999 Audi A4 automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1999 Audi A4
- 1999 Audi A4 1.8 L4 GAS, CC:1781, Fuel Injection, Engine VIN:, Desg:B
- 1999 Audi A4 2.8 V6 GAS, CC:2771, Fuel Injection, Engine VIN:, Desg:D
BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+.
Anti-lock Brakes -> System Coding -> TT
Vehicle: 1999 Audi A4 1.8 L4 GAS
TT
Refer to Fig. fo...
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BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+.
Disc Brakes -> Single Piston Rear Disc Brakes -> Precautions -> Battery Ground Cable -> Radio Coded Anti-Theft System
Vehicle: 1999 Audi A4 1.8 L4 GAS
Radio Coded Anti-Theft System
Prior to disconnecting the battery or removing the audio system, obtain the security code from the vehicle operator. Refer t...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+.
Anti-lock Brakes -> System Service -> A4 & S4 -> A4, A6, S4 & S6 -> A6 & S6 -> A6, Cabriolet & S6 -> A8 -> Brake System Bleed -> Cabriolet -> Component Replacement -> Electronic Control Unit -> Front Wheel Speed Sensors -> Hydraulic Control Unit -> Hydraulic Control Unit Mounting Bracket -> Rear Wheel Speed Sensors -> TT
Vehicle: 1999 Audi A4 1.8 L4 GAS
Brake System Bleed
Refer to "Hydraulic Brake System" for procedures.
Component Replacement
Electronic Control Unit
A4, A6, S4 & S6
The electronic control unit is located beneath the lefthand side of the rear seat.
- Turn ignition Off.
- Remove rear seat.
- Remove spring retaining electrical connector, then disconnect electrical connector.
- Remove screws securing control unit.
- Reverse procedure to install.
A8
- Remove lower slot cover from between knee bolster and lower column cover.
- Remove knee bolster.
- Remove ABS control module.
- Disconnect ABS control module electrical harness connector.
- Reverse procedure...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+.
Disc Brakes -> Teves Single Piston Front Brakes -> Brake Pad Service
Vehicle: 1999 Audi A4 2.8 V6 GAS
This procedure has been revised by a Technical Service Bulletin.
- Raise and support vehicle, then remove wheel assemblies.
- If brake pads are to be used again, mark installed positions for installation reference. Inner pads are different from side to side and have a specified direction of rotation.
- Use a suitable screwdriver to pry brake pad retaining spring out of caliper housing, Fig. .
- Remove guide pin caps, then the guide pins.
- Remove brake caliper housing from carrier. Secure brake caliper housing to vehicle with a suitable piece of wire. Do not allow brake caliper to hang from ...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+.
Power Brake Units -> Diagnosis & Testing -> Hydraulic Booster/Servo -> Pressure Accumulator Check Valve -> Pressure Accumulator Pressure Relief Valve -> Pressure Accumulator-Gas Pressure -> Vacuum Booster
Vehicle: 1999 Audi A4 1.8 L4 GAS
Hydraulic Booster/Servo
- With ignition Off, depress brake pedal approximately 20 times to reduce system pressure.
- Disconnect warning lamp switch electrical connector, then remove switch.
- Attach pressure gauge with hollow bolt and copper washers to brake servo unit. Attach thick copper washer between brake servo unit and banjo fitting and thin copper washer between hollow bolt and banjo fitting.
- Start engine and let idle until pressure gauge reading exceeds 2030 psi.
- If specified pressure is not reached, measure delivery rate of central hydraulic pump as follows:
- Turn ignition Off, ...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+.
Disc Brakes -> Single Piston Rear Disc Brakes -> Adjustments -> A4 & S4 -> A6, S6 & Cabriolet -> A8 -> Parking Brake -> Rear Brake Basic Setting, Inspection -> TT
Vehicle: 1999 Audi A4 2.8 V6 GAS
Rear Brake Basic Setting, Inspection
Parking brake cable must be free of tension during basic setting inspection.
- Push caliper lever against stop on both sides of vehicle using a suitable screwdriver. Parking brake cable is too tight if lever of opposite side caliper is pulled away from stop.
- If required, loosen adjustment nut for parking brake cable until both levers rest against stop.
- Push a suitable screwdriver between end of rear spring and roller.
- Press brake pedal once, then ensure both tires rotate freely.
- Remove screwdriver.
Parking Brake
A4 & S4
Always perform rear brake basic setti...
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