Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety. Notes: Except for a minor issue with cracked motor mounts, the 2007 MAZDA3 is a fantastic vehicle with a great reputation.

If you need to replace the motor mounts, first ask your dealer if they'll cover it -- the motor mounts were dealt with in a TSB & were recalled for some model years. Otherwise buy aftermarket motor mounts -- owners report this solves the problem. If you use the same OEM parts, they may just crack again.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
70,848 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Mazda MAZDA3 transmission problems

transmission problem

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2007 Mazda MAZDA3 Owner Comments

problem #3

Jul 022011

MAZDA3 4-cyl

  • 80,200 miles


I have a 2007 Mazda Mazda3 and had to replace the transmission at about 50,000 miles. Luckily that was covered under warranty. Now at 80,000 miles, I'm being told that the transmission is bad again and needs to be replaced. The first time it was busy-shifting hard from 4th to 3rd gear when going up large hills. This wore on the engine and cracked the cv boot. After replacement, this issue no longer occured. Now, at 80,000 miles, second gear has totally given out, it skips second and shifts from 1st to 3rd. They say it needs to be replaced again... after just 30,000 miles. This is not normal wear and tear! my extended warranty is expired and the warranty on that transmission is apparently expired as well... please recall these transmissions... it is not fair to the customer.

- Boise, ID, USA

problem #2

Feb 092011

MAZDA3 4-cyl

  • 98,000 miles
Transmission failure. Service bulletin #05-010/10 issued 8/6/2010. I took it in to have the same symptoms that is stated in the bulletin and they said the fluid was a little low so they put a quart in today. When I was driving home the transmission blew up. Please check the forums there is a lot of good information on those sites. The only problem is the the information disappears quickly. I don't know why?

- Forest Hill, MD, USA

problem #1

Sep 042009


  • 34,343 miles
I have been getting my car regularly maintenanced (and tired rotated and balanced) every six months and I have all the receipts to prove this. Dates as follows: November 14, 2007, March 6, 2008, August 25, 2008, April 9, 2009 and Sept 4, 2009. I was informed that my tires were ┐cuppling┐ and that I need all 4 tires now as well as a 4 wheel alignment. There are toyo tires and I have one 34,000 miles on them. I was hearing rattling sound coming from the console, dashboard and passenger side door while I drive. I was told it was wires lose and they fixed it....but in fact they did not. I have also had problems with the power-train (reflashing) and battery died before the car was even 6 months old. They changed the battery and supposely fixed the power train.

- Fort Worth, TX, USA

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