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Audi A4 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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 Audi A4 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 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 Audi A4 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 2003-04 -> Pressure Gauge Indication
Vehicle: 2004 Audi A4 Cabriolet 1.8 L4 GAS
...
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BRAKE SERVICE PROCEDURES FOR Audi A4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Audi A4 cars and light trucks from 1990+.
Anti-lock Brakes -> Component Replacement -> A4 & S4 -> A4, A6, S4 & S6 -> A6 & S6 -> A8 & S8 -> Electronic Control Unit -> Front Wheel Speed Sensors -> Hydraulic Control Unit -> Hydraulic Control Unit Mounting Bracket -> Rear Wheel Speed Sensors -> TT
Vehicle: 2003 Audi A4 1.8 L4 GAS
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 & S8
- 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 to install.
TT
The control module is mounted to the hydraulic unit, located...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Audi A4 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Audi A4 cars and light trucks sold in the U.S. for 1980+.
Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 2005 Audi A4 2.0 L4 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Obtain the vehicle owner's radio theft protection code, then disconnect the battery ground cable. Briefly open fuel filler cap to relieve system pressure, then close it again.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
Removal & Installation
On A4 and S4 mod...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Audi A4 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Audi A4 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1996 Audi A4 2.8 V6 GAS
- Remove wheel cover, then drive axle bolt in hub.
- Raise and support vehicle, then remove wheel assemblies.
- Remove drive axle mounting bolts.
- Remove cable for ABS wheel speed sensor from bracket at brake caliper, then pull ABS wheel speed sensor slightly out of swing ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Audi A4 AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Audi A4 cars and light trucks sold in the U.S. from mid 1990's+.
Reset Procedures
Vehicle: 2009 Audi A4 2.0 L4 GAS
- Check and the adjust tire pressure to the manufacturer's specifications.
- Press the Reset button located on the windshield wiper control lever until DISPLAY TYPE appears on the instrument cluster.
- Press button on end of the windshield wiper control lever to select SET option.
- Press the Reset button on the windshield wiper control lever.
- Press button on end of the wi...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Audi A4 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Audi A4 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 2002 Audi A4 1.8 L4 GAS
- Obtain radio anti-theft protection code.
- On models equipped with A/C, proceed as follows:
- Remove front bumper.
- Remove three quick release screws on front of sound insulation panel.
- Remove air intake duct between the header panel and air cleaner.
- Remove wiring harness clamps located at lefthand side of radiator frame.
- Remove bolt (2), Fig. , and install suitable support tool.
- Install suitable support tool to lefthand side bore, Fig. .
- Remove bolts (1) and (3), then bolt (4) and pull header panel outward until the stop is reached.
- Install suitable M6 bolts into rear bore holes of header p...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Audi A4 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Audi A4 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Audi -> 1996-2008 A4, 1998 Cabriolet, 2002-08 S4 & 2007-09 RS4
Vehicle: 1997 Audi A4 2.8 V6 GAS
On 1996-2003 models, the cabin air filter should be replaced every 20,000 miles.
On 2004-09 models, the cabin air filter should be replaced at 15,000 miles, then every 20,000 miles.
- Open the hood.
- Remove the righthand side air intake pl...
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MAINTENANCE LAMP RESET PROCEDURES FOR Audi A4 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Audi A4 cars and light trucks sold in the U.S. from 1990+.
Audi -> Tire Pressure Monitor System (TPMS) Warning Indicator -> 2005-09 A4, RS4 & S4 -> Relearn Procedure -> Reset Procedure
Vehicle: 2005 Audi A4 1.8 L4 GAS
Reset Procedure
- Check and the adjust tire pressure to the manufacturer's specifications.
- Press the Reset button located on the windshield wiper control lever until DISPLAY TYPE appears on the instrument cluster.
- Press button on end of the windshield wiper control lever to select SET option.
- Press the Reset button on the windshield wiper control lever.
- Press button on end of the windshield wiper control lever to select TIRE PRESSURE option.
- Press the Reset button on the windshield wiper control lever.
- Press button on end of the windshield wiper control lever to select STORE PRESSUR...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Audi A4 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Audi A4 cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 Audi A4 Avant 2.8 V6 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at thermostat housing and remove hose.
- Remove hose from vehicle.
- Reverse procedure...
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SERPENTINE BELT SERVICE PROCEDURES FOR Audi A4 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Audi A4 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2004 Audi A4 1.8 L4 GAS
- Put lock carrier into service position.
- Mark direction of engine rotation on belt.
- Slacken belt by turning tensioner in directi...
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COMPONENT LOCATION DIAGRAMS FOR Audi A4 AUTOMOBILES
Component location diagrams for most Audi A4 cars and light trucks sold in the U.S. from 1990+.
 Engine Compartment Diagram for 2007 Audi A4 2.0 L4 GASComponents on diagram: |
 Rear Body Ground Diagram for 2007 Audi A4 3.2 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Audi A4 AUTOMOBILES
OEM drawn wiring diagrams for most Audi A4 cars and light trucks sold in the U.S.
 2007 Audi A4 3.2 V6 GAS Wiring DiagramComponents on diagram: |
 2007 Audi A4 Cabriolet 2.0 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Audi A4 AUTOMOBILES
OEM TSB listings for most Audi A4 cars and light trucks sold in the U.S. from 1985+.
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Document: WARRANTY - RADIOS, CD CHANGERS AND NAVIGATION UNITS Vehicle: 1998 Audi A4 2.8 V6 GAS Auto Systems: |
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Document: WARRANTY - USE OF 2400 DIAGNOSIS LABOR OPS Vehicle: 1997 Audi A4 2.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Audi A4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Audi A4 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most Audi A4 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most Audi A4 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most Audi A4 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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