2018 Audi A4 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 2%of 45 total for the year
- Median mileage
- 92,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2018 Audi A4, 2% of the 45 complaints for this model year. Where a mileage was given, the median is 92,000 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.
“The contact owned a 2018 Audi A4. The contact stated that while driving at an undisclosed speed, there was fluid leaking from the front of the vehicle. No warning lights were illuminated. The contact also stated that while the vehicle was parked, there was a puddle of fluid leaking from the front of the vehicle. The vehicle was taken to an independent mechanic, where it was diagnosed and it was determined that the water pump had failed and needed to be replaced. The vehicle was not repaired. The dealer was contacted. The vehicle was not diagnosed or repaired. …”
NHTSA complaint #11717605, filed 2026-02, 92,000 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 17% |
| 2018 | 1 | 2% |
| 2017 | 2 | 4% |
| 2015 | 1 | 5% |
| 2014 | 1 | 3% |
| 2013 | 1 | 4% |
| 2010 | 9 | 14% |
| 2009 | 5 | 4% |
| 2008 | 4 | 2% |
| 2007 | 12 | 6% |
| 2006 | 6 | 2% |
| 2005 | 8 | 4% |
| 2004 | 18 | 10% |
| 2003 | 17 | 8% |
| 2002 | 28 | 15% |
| 2001 | 31 | 24% |
| 2000 | 11 | 11% |
| 1999 | 28 | 15% |
| 1998 | 28 | 11% |
| 1997 | 12 | 12% |
| 1996 | 5 | 6% |
Other parts of the 2018 Audi A4
18 complaintsElectrical system
17 complaintsFuel system
6 complaintsBody and structure
6 complaintsEngine
5 complaintsTransmission and drivetrain
5 complaintsAir bags
4 complaintsBrakes
4 complaintsForward collision avoidance
4 complaintsBack-over prevention (rear camera)
2 complaintsSuspension
2 complaintsElectronic stability control
1 complaints
← All problems reported for the 2018 Audi A4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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