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2004 Audi A4 Quattro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Audi A4 Quattro 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 Quattro automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Audi A4 Quattro AUTOMOBILES
Air Bag System Precautions -> Audi -> Arming -> Air Bag II & III System -> Air Bag V System
Vehicle: 2004 Audi A4 Quattro Avant 1.8 L4 GAS
Air Bag II & III System
- Connect voltage supply connector.
- Connect battery ground cable.
- Turn ignition On. Air bag indicator lamp should light for approximately 10 seconds, then go off.
- If air bag indicator lamp does not light or remains lit after approximately 10 seconds, an air bag system faul...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Audi A4 Quattro AUTOMOBILES
Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 2004 Audi A4 Quattro 3.0 V6 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 2004 Audi A4 Quattro AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2004 Audi A4 Quattro Cabriolet 1.8 L4 GAS
Front
- Remove wheel trim. Pull trim cap off light-alloy wheels, using puller in vehicle tool kit.
- Loosen bolt for drive axle outer joint by a maximum of 90°. Vehicle must be standing on its wheels to avoid risk of accident.
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Screw all five wheel bolts hand-tight.
- Remove hex bolt for drive axle outer joint.
- Unbolt drive axle from flange shaft on transmission. If not enough space is available for removing drive axle, proceed as follows:
- Remove nut and hex bolt and pull out both upper links upward.
- Swing wheel bearing housing o...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Audi A4 Quattro AUTOMOBILES
Starter, Replace
Vehicle: 2004 Audi A4 Quattro Avant 1.8 L4 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Release fasteners and remove front noise insulation.
- Remove nut at starter solenoid B+ terminal, and remove connector terminal.
- Disconnect electrical connector at starter.
- Remove insulator from positive connection on starter if required.
- Remove bolt and wiring ha...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Audi A4 Quattro AUTOMOBILES
Audi -> Check Engine Lamp -> With OBD II
Vehicle: 2004 Audi A4 Quattro Avant 1.8 L4 GAS
The Check Engine lamp should illuminate when the ignition switch is placed in the On position to indicate the lamp is operational. After the engine has been started, the warning lamp should go off. If warning lamp com...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Audi A4 Quattro AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Audi A4 Quattro Cabriolet 3.0 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 2004 Audi A4 Quattro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Audi A4 Quattro 1.8 L4 GAS
- Put lock carrier into service position.
- Mark direction of engine rotation on belt.
- Slacken belt by turning pensioner in directi...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Audi A4 Quattro AUTOMOBILES
Component location diagrams for most 2004 Audi A4 Quattro cars and light trucks sold in the U.S. from 1990+.
 Engine Compartment Diagram for 2004 Audi A4 Quattro Avant 3.0 V6 GASComponents on diagram: |
 Instrument Panel Diagram for 2004 Audi A4 Quattro 3.0 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Audi A4 Quattro AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Audi A4 Quattro cars and light trucks sold in the U.S.
 2004 Audi A4 Quattro Avant 3.0 V6 GAS Wiring DiagramComponents on diagram: |
 2004 Audi A4 Quattro Avant 1.8 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Audi A4 Quattro AUTOMOBILES
OEM TSB listings for most 2004 Audi A4 Quattro cars and light trucks sold in the U.S. from 1985+.
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Document: INTERIOR CLEANING PRODUCTS ON AND AROUND AIRBAG UNITS - REVISED Vehicle: 2004 Audi A4 Quattro 1.8 L4 GAS Auto Systems: |
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Document: AUDI TIRE PRESSURE MONITORING SYSTEMS OVERVIEW - REVISED Vehicle: 2004 Audi A4 Quattro 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Audi A4 Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Audi A4 Quattro 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 2004 Audi A4 Quattro 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 2004 Audi A4 Quattro 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 2004 Audi A4 Quattro 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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