2003 Audi TT Engine cooling Problems
- Complaints
- 4about this part
- Share
- 31%of 13 total for the year
- Median mileage
- 43,077miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2003 Audi TT, 31% of the 13 complaints for this model year. Where a mileage was given, the median is 43,077 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Oil consumption of vehicle is very high. For the first 30000 miles oil consumption was normal. Now the vehicle runs low on oil every 3000 miles. Advised by Audi that it is normal for the vehichle to burn 1 quart every 1000 miles, but as stated earlier, this did not happen for the first 30000 miles. Also advised by Audi to keep a quart of oil in my trunk. Nothing was done to correct the issue.”
NHTSA complaint #10093631, filed 2004-10, 36,000 miles“2003 Audi TT. Consumer states problem with instrument cluster and timing belt the consumer stated the fuel gauge and other components were not accurate. The dealership determined that the instrument cluster and timing belt needed to be replaced. The consumer stated instrument cluster failure was a well known problem for Audi's and it should have been covered by Audi. The consumer was not given a rational reason for the denial. However, Audi stated that the dealership denied the request.”
NHTSA complaint #10340070, filed 2010-06“Express mail fwding motor vehicle defect notification for a 2003 Audi coupe. The vehicle jerked and vibrated while in reverse. The engine light illuminated and the vehicle stalled.”
NHTSA complaint #10071622, filed 2004-04Related service bulletins
- 10177406Jul 13, 2020This informational bulletin states to not replace parts for the beveling groove as it is normal.
- 10123764Sep 8, 2015Supersedes 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…
- 10128399Jul 7, 2015Supersedes 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…
- 10119945Mar 17, 2015Supersedes 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…
- 10119946Mar 6, 2015Supersedes 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…
- 10120682Feb 13, 2015Supersedes 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…
- 10231130Jun 30, 2014Idenifying and mixing factory fill engine coolants
- 10122415Jun 20, 2014Supersedes Technical Service Bulletin Group 19 number 13-41 dated June 20, 2013. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have…
- 10121324Sep 5, 2013Supersedes Technical Service Bulletin Group 10 number 10-02 dated September 14, 2010. Prior to engine replacement, any debris lodged in transferred assemblies must be removed. If…
- 10216662Jun 20, 2013Discontinuation and mixing of Audi-approved engine coolants.
Engine cooling: other model years
Other parts of the 2003 Audi TT
7 complaintsTransmission and drivetrain
5 complaintsExterior lighting
1 complaintsFuel system
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2003 Audi TT
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology