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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
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1998-2000 -> Precautions -> A/C Refrigerant Oil -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Safety
Vehicle: 1999 Audi A4 2.8 V6 GAS
Battery Ground Cable
NOTE: Refer To "Computer Relearn Procedures" When Battery Power To The Computer Has Been Interrupted.
Prior to service disconnect battery ground cable and isolate as required.
Product Compatibility
A/C Refrigerant Oil
Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data" for specifications.
Engine Coolant
Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix w...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+
Air Bag System Precautions -> Audi -> Disarming -> Air Bag II & III System -> Air Bag V System
Vehicle: 1999 Audi A4 2.8 V6 GAS
Air Bag II & III System
The system must be disarmed prior to disconnecting any air bag system electrical connectors or servicing any system components or other components located near an air bag system electrical connector. Obtain the radio security code prior to disconnecting the battery ground cable. Establishing the engine control module and automatic transmission control module settings may be required using scan tool No. VAG 1551, or equivalent.
- Disconnect battery ground cable and cover negative terminal.
- On 1990-92 Coupe, Quattro, 80/90 and 19...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+
Audi -> Automatic Temperature Control System Diagnosis & Testing -> Basic Setting
Vehicle: 1999 Audi A4 1.8 L4 GAS
- Access diagnostic system as outlined under "Accessing Diagnostic Trouble Codes."
- Press scan tool buttons "0" and "4" to select "Basic Setting."
- Press "Q" button to enter input, four three digit numbers should be d...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+
Air Bag System Precautions -> Audi -> Disarming -> Air Bag II & III System -> Air Bag V System
Vehicle: 1999 Audi A4 1.8 L4 GAS
Air Bag II & III System
The system must be disarmed prior to disconnecting any air bag system electrical connectors or servicing any system components or other components located near an air bag system electrical connector. Obtain the radio security code prior to disconnecting the battery ground cable. Establishing the engine control module and automatic transmission control module settings may be required using scan tool No. VAG 1551, or equivalent.
- Disconnect battery ground cable and cover negative terminal.
- On 1990-92 Coupe, Quattro, 80/90 and 19...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+
Audi -> Automatic Temperature Control System Diagnosis & Testing -> Diagnosis & Testing -> A4 -> A6 -> A8 -> Accessing Diagnostic Trouble Codes -> Cabriolet -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation
Vehicle: 1999 Audi A4 1.8 L4 GAS
Accessing Diagnostic Trouble Codes
On these models, a VAG 1551 (with printer) or equivalent scan tool is necessary to access system diagnosis and display diagnostic codes.
- Start engine and press "AUTO" button on A/C control head.
- Drive vehicle a few yards at walking speed.
- Using adapter harness tool No. VAG 1551/1, or equivalent, connect scan tool No. VAG 1551, or equivalent, to Data Link Connectors (DLC) located in center console, Figs. through .
- Connect black connector to black DLC and connect white connector to white DLC. Blu...
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 Audi A4 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1999 Audi A4 1.8 L4 GAS
CLICK HERE TO GET FULL ACCESS TO 1999 Audi A4 A/C & HEATER SERVICE PROCEDURES
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