2004 Mazda MAZDA6 power train problems
19 owner complaints filed with NHTSA name the power train on the 2004 Mazda MAZDA6 — 12% of all complaints for this model year.
What owners report
“Very hard shifts from 1st to 3rd gear it's a automatic transmission it's getting worse it will do it at random times and it's getting to the point I'm scared to drive the car. mazda should listen to everyone else's problems with the same transmission it's ridiculous”
filed Mar 19, 2024
“Over time, the clutch in my manual transmission 2004 mazda 6 v6 hatchback has been getting noisy, difficult to modulate with surprising sloppy movement in a sideways motion when being depressed, and has been greatly worrying me. Upon investigation, I discovered cracks in the formed and welded steel…”
filed Mar 16, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
Power Train problems in other MAZDA6 years
| Year | Reports | Share |
|---|---|---|
| 2018 MAZDA6 | 9 | 16% |
| 2017 MAZDA6 | 3 | 5% |
| 2016 MAZDA6 | 10 | 13% |
| 2015 MAZDA6 | 8 | 13% |
| 2014 MAZDA6 | 19 | 14% |
| 2013 MAZDA6 | 1 | 5% |
| 2011 MAZDA6 | 3 | 2% |
| 2010 MAZDA6 | 5 | 2% |
| 2009 MAZDA6 | 7 | 2% |
| 2008 MAZDA6 | 9 | 8% |
| 2007 MAZDA6 | 17 | 11% |
| 2006 MAZDA6 | 20 | 12% |
Other reported problem areas on the 2004 Mazda MAZDA6
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.