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2004 Audi Allroad Quattro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
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- A/C & Heater Service
- Fuel Filter Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Audi -> Component Replacement & Adjustment -> Cooling System Bleed -> 1.8L & 3.0L Engines -> A4 -> A6, Allroad & S6 -> A8 & S8 -> TT
Vehicle: 2004 Audi Allroad Quattro 4.2 V8 GAS
A4
1.8L & 3.0L Engines
- Note type of coolant. Do not allow red coolant to be mixed with any other type.
- Close drain plugs at engine block and bottom of radiator.
- Remove expansion tank filler cap.
- Install filler adapter tool No. VAG 1274/8, or equivalent, onto expansion tank.
- Connect tube tool No. VAG 1274/10, or equivalent, onto adapter.
- If adapter and tube are not available, remove expansion tank mounting hardware and temporarily raise it approximately four inches.
- Remove cowl screen seal and pull forward.
- Re...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 2004 Audi Allroad Quattro 2.7 V6 GAS
Normal Service
Service as re...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Component Locations
Vehicle: 2004 Audi Allroad Quattro 2.7 V6 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Audi Allroad Quattro 4.2 V8 GAS
- Disconnect battery ground cable at battery.
- If it is obstructed, remove three screws of auxiliary heater.
- Pull air duct hose off alternator.
- Remove nuts for B+ and D+ terminals from alternator.
- Release tension on drive belt and insert drift to lock in place.
- Remove drive belt from alternator.
- Remove alternator upper m...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1998-2004 A6, Allroad, RS6, S6 & 2000-06 TT
Vehicle: 2004 Audi Allroad Quattro 2.7 V6 GAS
On 1998-2000 models, the cabin air filter should be replaced every 15,000 miles.
On 2001-03 models, the cabin air filter should be replaced every 20,000 miles.
On 2004-07 models, the cabin air filter should be replaced at 15,000 miles, then every 20,000 miles.
- Open the hood.
- Remove the plenum chamber cover.
- Release the cabin air filter retaining tab ca...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Audi -> Electronic Ignition Warning Lamp ->
Vehicle: 2004 Audi Allroad Quattro 4.2 V8 GAS
The electronic ignition system warning lamp will be illuminated when the ignition switch is placed in the On position. After the engine is started, the lamp should go off. If the lamp lights during engine operation, a knocking condition is indicated or a problem has arisen in the ignition sys...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Radiator, Replace
Vehicle: 2004 Audi Allroad Quattro 2.7 V6 GAS
- Drain cooling system into a suitable container.
- Remove front bumper.
- Disengage retaining clips on connecting flanges and pull coolant hoses off radiator.
- Disconnect connector from thermal switch on radiator (bottom left).
- Unbolt pressurizing fan and detach cooling lines for power steering hydraulic fluid.
- On models with air conditioning, detach left and right air cowls from radiator.
- Remove securing bolts for condenser.
- Disconnect connector from A/C Pressure Switch.
- Lift condens...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Audi Allroad Quattro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Audi Allroad Quattro 4.2 V8 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Audi Allroad Quattro AUTOMOBILES
Component location diagrams for most 2004 Audi Allroad Quattro cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Audi Allroad Quattro AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Audi Allroad Quattro cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Audi Allroad Quattro AUTOMOBILES
OEM TSB listings for most 2004 Audi Allroad Quattro cars and light trucks sold in the U.S. from 1985+.
Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED Vehicle: 2004 Audi Allroad Quattro 2.7 V6 GAS Auto Systems: |
Document: AUDI TIRE PRESSURE MONITORING SYSTEMS OVERVIEW - REVISED Vehicle: 2004 Audi Allroad Quattro 2.7 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Audi Allroad Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Audi Allroad 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 Allroad 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 Allroad 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 Allroad 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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