2001 Audi A4 Service and Repair Manual

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Factory-Grade Data

2001 Audi A4 service and repair manual a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What's included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Avant Confort Wagon 4-Door
  • Base Sedan 4-Door
  • Confort Sedan 4-Door
  • Sport Sedan 4-Door
  • Avant Luxury Wagon 4-Door
  • Basico Sedan 4-Door
  • Luxury Sedan 4-Door

Engines covered

  • 1.8L 1781CC l4 GAS DOHC Turbocharged
  • 2.8L 2771CC V6 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2001 Audi A4 Recalls & Complaints

NHTSA #06E04900024/05/2006Component: EXTERIOR LIGHTING

CERTAIN CK MOTORSPORTS COMBINATION HEADLIGHTS, CLEAR CORNER, BUMPER, AND SIDE MARKER LIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON THE PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE N

Consequence

WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICL

Remedy

CK MOTORSPORT WILL NOTIFY OWNERS AND REPLACE THE NONCOMPLIANT LAMPS FREE OF CHARGE. THE RECALL BEGA

NHTSA #21V47000023/06/2021Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2000-2001 Audi TT Coupe, TT Roadster, 2000-2002 A4, and S4 vehicles equipped with Non-Azide Driver Air Bag Inflators (NADI) that do

Consequence

In the event of a crash necessitating air bag deployment, the air bag may not properly protect the o

Remedy

Dealers will replace the driver frontal airbag inflator with an alternative inflator, free of charge

NHTSA #14E00700007/03/2014Component: ENGINE AND ENGINE COOLING:ENGINE

The Gates Corporation (Gates) is recalling certain aftermarket Tru-Flow Water Pumps, part number TFW 41127, sold at certain NAPA Auto Parts and/or installed by automotive service technicians after Nov

Consequence

A failure of the timing belt may cause the engine to shut down, potentially increasing the risk of a

Remedy

Gates will notify owners, and dealers will replace the water pump, free of charge. The recall began

TSB #10243930

This bulletin provides information on the additional reporting requirements for safety related inquiries.

TSB #10228314

The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.

TSB #10228302

High quality media files (video and sound) are now integrated into technical service bulletins on a case-by-case basis. Media files can now be viewed on any smartphone or tablet.

TSB #10226529

Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals

TSB #10226530

ATF pan leaks

TSB #10224981

High quality media files (video and sound) are now integrated into technical service bulletins on a case-by-case basis. Media files can now be viewed on any smartphone or tablet.

TSB #10224993

The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.

TSB #10221954

High quality media files (video and sound) are now integrated into technical service bulletins on a case-by-case basis. Media files can now be viewed on any smartphone or tablet.

Showing the 8 most recent of 105 technical service bulletins on file with NHTSA.

20110721Component: AIR BAGSCrash reported1 injured

ALL AIRBAGS FAILED TO DEPLOY IN A DRIVER'S SIDE "T-BONE" COLLISION. A-4 IS EQUIPPED WITH SIDE AIRBAGS. A-4 WAS STATIONARY AND OCCUPIED, MINIVAN CRASHED INTO DRIVER'S DOOR AND PART OF FRONT QUARTER PA

20140809Component: SERVICE BRAKESCrash reported

BRAKES WERE WORKING FINE, COMING OFF FREEWAY, WAS COASTING THRU LIGHT, TRAFFIC STOPPED, BRAKES NO LONGER WORKED, BRAKE PEDAL WAS SUDDENLY FLUSH WITH FLOOR. REARENDED A CAR, CAR STARTED JUMPING FORWAR

20080912Component: AIR BAGS:FRONTALCrash reported

WAS GOING ABOUT 40 MPH AND HIT INTO A CAR THAT WAS MAKING A LEFT TURN. THE WHOLE FRONT END OF THE CAR IS SMASHED IN AND STILL NOT ONE SINGLE AIR BAG GOT DEPLOYED. IT IS AN 2001 AUDI A4 1.8T. THERE IS

20040901Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported

I WAS PULLING INTO A CONVENIENCE STORE PARKING LOT. AS I PULLED INTO THE SPACE IN FRONT OF THE STORE AND STEPPED ON THE BRAKE, RATHER THAN SLOWING DOWN THE CAR PICKED UP SPEED. NO MATTER HOW HARD I

20010813Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

WHILE TRAVELING AT APPROXMIMATELY 20 MPH ATTEMPTED TO STOP VEHICLE AND BRAKES FAILED TO SLOW VEHICLE DOWN. CONSUMER'S VEHICLE STRUCK ANOTHER VEHICLE, CAUSING NO INJURIES. DEALERSHIP HAS NOT EXA

Showing the 5 most serious of 153 complaints filed with NHTSA.

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