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2001 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 2001 Audi A4 AUTOMOBILES
Audi -> Automatic Temperature Control System Diagnosis & Testing -> Basic Setting
Vehicle: 2001 Audi A4 2.8 V6 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 3-digit numbers should be dis...
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BRAKE SERVICE PROCEDURES FOR 2001 Audi A4 AUTOMOBILES
Power Brake Units -> Precautions -> Battery Ground Cable -> Radio Coded Anti-Theft System
Vehicle: 2001 Audi A4 2.8 V6 GAS
Radio Coded Anti-Theft System
Prior to disconnecting the battery or removing the audio system, obtain the security code from the vehicle operator. Refer t...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2001 Audi A4 AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 2001 Audi A4 2.8 V6 GAS
Normal Service
Service as re...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2001 Audi A4 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2001 Audi A4 2.8 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 2001 Audi A4 AUTOMOBILES
Alternator, Replace
Vehicle: 2001 Audi A4 2.8 V6 GAS
- Remove battery cover.
- Disconnect battery ground cable at battery.
- Remove both bolts on air intake channel and pull up on rear part of intake channel.
- Remove sound proofing material.
- Bring lock carrier into service position.
- Rotate drive belt tensioner with a 17mm box wrench to relieve tension on belt.
- Lock tensioner with a drift or drill bit.
- Remove drive belt from alternator pulley.
- Remove air guide at alternator.
- Remove nuts then B+ and D+ terminals from alternator.
- Remove retaining clamp for refrigerant lines above torque support.
- Cut cable ties and open bracket for starte...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2001 Audi A4 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1996-2008 A4, 1998 Cabriolet, 2002-08 S4 & 2007-09 RS4
Vehicle: 2001 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 2001 Audi A4 AUTOMOBILES
Audi -> Service Indicator Lamp -> 1998-2004 -> Less Scan Tool -> With Scan Tool
Vehicle: 2001 Audi A4 2.8 V6 GAS
With Scan Tool
- Connect VAG 1551 scan tool and VAG 1551/3 adapter cable, or equivalents, to diagnostic connector.
- "Rapid Data Transfer" will be displayed.
- Initiate adaptation function 10 as follows:
- Press buttons 1 and 0 to select adaptation function 10.
- Press Q button to confirm input.
- Press buttons 0 and 2 to insert channel number 02.
- Press Q button to confirm input.
Less Scan Tool
- Place ignition to Off position.
- Press reset button for trip recorder in instrument cluster and place ignition switch in On pos...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2001 Audi A4 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2001 Audi A4 1.8 L4 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at cylinder head and remove hose.
- Remove hose from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2001 Audi A4 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2001 Audi A4 2.8 V6 GAS
Risk of destroying due to reversed running direction on a used drive belt. Before removing drive belt, marking running direction with chalk or felt-tip pen for reinstallation later.
- Remove sound insulation panel.
- Loosen bolts for drive belt tensioner for A/C compressor...
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COMPONENT LOCATION DIAGRAMS FOR 2001 Audi A4 AUTOMOBILES
Component location diagrams for most 2001 Audi A4 cars and light trucks sold in the U.S. from 1990+.
Engine Compartment Components Diagram for 2001 Audi A4 1.8 L4 GAS Components on diagram: |
Door Components Diagram for 2001 Audi A4 1.8 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2001 Audi A4 AUTOMOBILES
OEM drawn wiring diagrams for most 2001 Audi A4 cars and light trucks sold in the U.S.
2001 Audi A4 1.8 L4 GAS Wiring Diagram Components on diagram: |
2001 Audi A4 1.8 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2001 Audi A4 AUTOMOBILES
OEM TSB listings for most 2001 Audi A4 cars and light trucks sold in the U.S. from 1985+.
Document: LATCH SYSTEM, INSTALLING/RETROFITTING - REVISED Vehicle: 2001 Audi A4 2.8 V6 GAS Auto Systems: |
Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 2001 Audi A4 2.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2001 Audi A4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2001 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 2001 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 2001 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 2001 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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