1998 Audi A4 TSBs

85 manufacturer communications for the 1998 Audi A4 sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 1998 A4 problem report covers complaints, recalls, and investigations.

85Communications

What the bulletins cover

Engine33 bulletins
Electrical10 bulletins
Wheels & tires6 bulletins
Suspension5 bulletins
Transmission & drivetrain2 bulletins
Body & structure2 bulletins

Most recent service bulletins

The 20 most recent of 85 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Electrical AWC 19-05 August 28, 2019

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

Service bulletin AWC 19-04 July 22, 2019

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, 2019 Q8, 2000-2019 TT, 2008-2018 R8

Electrical A941791 2012749- July 31, 2017

This informational bulletin contains technical information for when there is condensation visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, and/or third brake light lens.

Service bulletin SM 44-2017 EN June 28, 2017

This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward.

Engine A171782 2010043- May 10, 2017

This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change.

Service bulletin ATE-17-05 March 3, 2017

Due to increasing requests for high voltage personal protective equipment (HVE PPE) for dealer technicians working with high voltage vehicles (Hybrid, Plugin Hybrid, Electric Vehicle), the Volkswagen Tools and Equipment Team has identified two US based suppliers to support…

Wheels & tires A441662 2010334- October 19, 2016

This information TSB provides information regarding the correct way to torque adjust a wheel bolt.

Transmission & drivetrain A451510 2042048- October 5, 2015

Vehicle will not communicate with diagnostic scan tool or emissions test equipment. Customers may have issues with vehicle passing state IM emissions test programs because the scan tool cannot communicate with the vehicle. ABS and/or brake lamp(s) will be illuminated in IP…

Engine A191562 2025303- September 8, 2015

Supersedes Technical Service Bulletin Group 19 number 15-61 dated July 7, 2015. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY…

Engine A1915612025303-5 July 7, 2015

Supersedes Technical Service Bulletin Group 19 number 14-50 dated June 20, 2014. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY…

Engine SB-01-15-29 July 1, 2015

AUDI: ENGINE, ON SOME VEHICLES, WOULD RUN IRREGULARLY OR HAVE MALFUNCTION INDICATOR LAMP (MIL) ON OR POSSIBLE FILTER ELEMENT FOR CAMSHAFT ADJUSTMENT VALVE CAN LOOSEN AND IN OIL CIRCUIT, THERE IS NO DAMAGE FROM LOOSENED PARTICLES. MODEL ALL. ALL YEARS.

Electrical A941565 2012749- April 17, 2015

Supersedes Technical Service Bulletin Group 94 number 12-92 dated October 24, 2012. Condensation is visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, or third brake light lens.

Engine A101511 2018288- March 17, 2015

Supersedes Technical Service Bulletin Group 10 number 13-10 dated September 5, 2013. Prior to engine replacement, any debris lodged in transferred assemblies must be removed. If the engine experienced a serious mechanical problem, it is possible that small pieces of metal debris…

Engine A171557 2010043- March 6, 2015

Supersedes Technical Service Bulletin Group 17 number 13-35 dated January 9, 2013. This bulletin lists engine oils that meet Audi oil quality standards (VW 501 01, 502 00, 505 00, 505 01, and 504 00/507 00).

Engine A011507 2028344- February 13, 2015

Supersedes Technical Service Bulletin Group 01 number 13-69 dated February 14, 2013. Noises and inconsistent engine operation after cold start during the catalyst heating phase. The customer may misinterpret these symptoms as engine misfiring. This bulletin applies only to…

Service bulletin Accessories Oper December 4, 2014

This is an advance notice for Audi of America employees. This notice contains information for the accessories operations technical bulletin.

Wheels & tires 44145520103346 October 21, 2014

Tightening wheel bolts

Wheels & tires A441455 2010334- October 12, 2014

Supersedes Technical Service Bulletin Group 44 number 13-46 dated December 9, 2013. Wheel bolt requires torque adjustment.

Service bulletin A001467 2002047- July 31, 2014

Supersedes Technical Service Bulletin Group 00 number 14-61 dated May 1, 2014. Technician preparation when calling the Audi Technical Assistance Center (TAC).

Service bulletin AUD4927ENG July 10, 2014

Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota.

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Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.