1999 Audi A4 Service and Repair Manual

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Factory-Grade Data

1999 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

  • Base Sedan 4-Door
  • Avant Wagon 4-Door

Engines covered

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

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

1999 Audi A4 Recalls & Complaints

NHTSA #20V05600031/01/2020Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (VW) is recalling certain 2000-2001 TT Roadster, 2000 TT Coupe, 1999 Audi A8, 1998-2000 Audi A6, and 1999-2000 Audi A4 vehicles equipped with Non-Azide Driver air bag

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 air bag inflator with an alternative inflator when the parts

TSB #10243930

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

TSB #10216638

If the vehicle?s engine experienced a serious mechanical problem, it is possible that small pieces of metal debris resulting from the mechanical problem may have become deposited in the intake manifold, air intake hoses, exhaust manifolds,

TSB #10216656

Discontinuation and mixing of Audi-approved engine coolants.

TSB #10216662

Discontinuation and mixing of Audi-approved engine coolants.

TSB #10216682

Engine oils that meet Audi Oil Quality Standards.

TSB #10164518

This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries.

TSB #10163501

This communication is issued to remind dealers of the repair validation process for repair group 19. 2005-2019 A3, 1996-2019 A4, 2008-2019 A5, 1992-2019 A6, 2012-2019 A7, 1997-2019 A8, 2019 E-Tron, 2015-2019 Q3, 2010-2019 Q5, 2007-2019 Q7,

TSB #10161273

This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). 2008-2021A3, 2015-2021A3 Cabrio, 2005-2016 A3 Sportback, 1999-2021 A4, 2010-2021

Showing the 8 most recent of 73 technical service bulletins on file with NHTSA.

20051218Component: AIR BAGS:FRONTALCrash reported2 injured

ON 9/28/04 I WAS INVOLVED IN AN AUTO ACCIDENT WHERE ANOTHER DRIVER IN A SUBURBAN FAILED TO YIELD THE RIGHT AWAY, TURNED IN FRONT OF ME, I HIT HER WITH MY 1998 AUDI AVANT WAGON. THE COMBINED SPEEDS OF

20040809Component: AIR BAGS:FRONTALCrash reported1 injured

CONSUMER'S VEHICLE REAR ENDED ANOTHER VEHICLE WHILE DRIVING AT 25 MPH. UPON IMPACT,FRONTAL AIR BAG FAILED TO DEPLOY. THIS RESULTED IN THE DRIVER'S HEAD IMPACTING THE STEERING WHEEL. THE VEHICLE HAD S

20010410Component: STEERING:LINKAGES:TIE ROD ASSEMBLYCrash reported

WHILE DRIVING CONSUMER LOST CONTROL OF VEHICLE AND HIT A POLE. UPON IMPACT, AIRBAGS DID DEPLOY, BUT CONSUMER FELT THAT RECALL ON TIE ROD COULD HAVE CONTRIBUTED TO THIS ACCIDENT.*AK

20000228Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTSCrash reported

WET BRAKING PERFORMANCE IS MISERABLE! AND DANGEROUS- MANY SECOND DELAYS. *AK

19991217Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUMCrash reported

WHILE IN ROUTE TO HAVE RECALL REPAIR ON THE BRAKE BOOSTER BY PASS, THE BRAKES LOCKED UP AND THE CONSUMER SLID INTO A DITCH, DAMAGING VEHICLE. *NLM

Showing the 5 most serious of 242 complaints filed with NHTSA.

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