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2002 Audi A4 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2002 Audi A4 AUTOMOBILES
Audi -> Component Replacement & Adjustment -> Cooling System Bleed -> 1.8L, 2.7L & 2.8L Engines -> A4 & S4 -> A6, Allroad & S6 -> A8 & S8 -> TT
Vehicle: 2002 Audi A4 1.8 L4 GAS
A4 & S4
1.8L, 2.7L & 2.8L 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 forwar...
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BRAKE SERVICE PROCEDURES FOR 2002 Audi A4 AUTOMOBILES
Power Brake Units -> Power Brake Unit Service -> A4 & S4 -> A6 & S6 -> A8 & S8 -> Hydraulic Booster/Servo -> Vacuum Booster
Vehicle: 2002 Audi A4 1.8 L4 GAS
Hydraulic Booster/Servo
- Remove master cylinder as outlined under "Hydraulic Brake System."
- Disconnect hydraulic lines from booster/servo.
- Remove brake booster/servo attaching bolts.
- Disconnect booster pushrod from brake pedal.
- Reverse procedure to install, noting the following:
- Adjust pushrod length to 9.04-9.08 inches from face of booster/servo unit to center of clevis hole.
- Torque booster mounting bolts to 18 ft. lbs.
Vacuum Booster
A4 & S4
- Remove master cylinder as outlined under "Hydraulic Brake System" section.
- Disconnect hydraulic lines from brake servo unit.
- Remove stowage area ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Audi A4 AUTOMOBILES
Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 2002 Audi A4 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 2002 Audi A4 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2002 Audi A4 3.0 V6 GAS
- Remove wheel cover, then drive axle bolt in hub.
- Raise and support vehicle, then remove tires.
- 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 arm.
- Remove swing ar...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Audi A4 AUTOMOBILES
Alternator, Replace
Vehicle: 2002 Audi A4 3.0 V6 GAS
- Obtain radio anti-theft protection code.
- Remove air intake duct bolts, then lift up rear portion of duct.
- Remove sound insulation panel.
- Remove front bumper.
- Lock header panel in service position as follows:
- Remove three quick release screws on front of sound insulation panel.
- Remove air intake duct between header panel and air cleaner.
- Remove all wiring harness clamps located at sides of radiator frame.
- Remove bolt (2), Fig. , and install suitable support tool.
- Install suitable support tool to lefthand side bore (5), Fig. .
- Remove bolts (1) and (3), then bolt (4) and pull header pane...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2002 Audi A4 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1996-2008 A4, 1998 Cabriolet, 2002-08 S4 & 2007-09 RS4
Vehicle: 2002 Audi A4 1.8 L4 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 2002 Audi A4 AUTOMOBILES
Audi -> Brake Pad Wear Indicator Lamp ->
Vehicle: 2002 Audi A4 1.8 L4 GAS
The brake pad wear warning lamp will be illuminated when disc brake pads wear d...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Audi A4 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2002 Audi A4 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 2002 Audi A4 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 Audi A4 3.0 V6 GAS
- Remove left and right engine covers.
- Remove air guide mounting bolts.
- Detach Evaporative Emission (EVAP) canister purge regulator valve at air guide.
- Remove air guide.
- Remove front engine cover.
- Mar...
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COMPONENT LOCATION DIAGRAMS FOR 2002 Audi A4 AUTOMOBILES
Component location diagrams for most 2002 Audi A4 cars and light trucks sold in the U.S. from 1990+.
Engine Compartment Diagram for 2002 Audi A4 3.0 V6 GAS Components on diagram: |
Engine Compartment Connector Diagram for 2002 Audi A4 3.0 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2002 Audi A4 AUTOMOBILES
OEM drawn wiring diagrams for most 2002 Audi A4 cars and light trucks sold in the U.S.
2002 Audi A4 3.0 V6 GAS Wiring Diagram Components on diagram: |
2002 Audi A4 3.0 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 Audi A4 AUTOMOBILES
OEM TSB listings for most 2002 Audi A4 cars and light trucks sold in the U.S. from 1985+.
Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 2002 Audi A4 1.8 L4 GAS Auto Systems: |
Document: AUDI TIRE PRESSURE MONITORING SYSTEMS OVERVIEW - REVISED Vehicle: 2002 Audi A4 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Audi A4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 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 2002 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 2002 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 2002 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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