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.


really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
56,203 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 suspension problems

suspension problem

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2007 Mazda MAZDA3 Owner Comments

problem #6

Dec 012008


  • 50,000 miles


The contact owns a 2007 Mazda 3. the contact stated that the vehicle failed to start when the fuel tank was filled. The dealer performed a diagnostic, which located a failure code at the purge valve. The valve was replaced, but the vehicle experienced additional failures. The front end vibrated and the engine stalled while driving 65 mph. The dealer performed diagnostic testing, which indicated that the engine mount was worn, the struts leaked, and the evap system failed. However, the valves were replaced. The engine mount, struts, and evaporating system were not replaced. The rotor also wore prematurely and could not be resurfaced. The front bumper clips failed due to defective plastic. The clips were replaced several times; however, the failure was not corrected. The manufacturer stated that the vehicle was not included in NHTSA campaign number: 07V295000 (engine and engine cooling). The failure mileage was 50,000.

- Haddonfield , NJ, USA

problem #5

Apr 282014


  • 92,317 miles
Clunking noise in trunk when going over railroad tracks/bumps, etc.; took to Mazda dealer. Passenger side rear stabilizer/swaybar bolt loose and pin bent. Known issue for a lot of 2007 Mazda. New bushings and bolts put in/tightened. Clunking noise gone.

- Chesapeake, VA, USA

problem #4

Mar 032014


  • 95,000 miles
The check engine light came on. Cause, after running code check, P2004. Runner control vale stuck. Replace solenoid. Front struts gone.

- Boca Raton, FL, USA

problem #3

Sep 042012


  • 98,000 miles


The contact owns a 2007 Mazda 3. the contact stated that the axle was rubbing against a piece metal in the engine causing it to malfunction. The vehicle was taken to the dealer who diagnosed that the axle needed to be replaced. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure and current mileage was 98,000.

- Las Vegas , NV, USA

problem #2

Jul 102007


  • 1,900 miles
I bought a Mazda 3 2007 on April 2007. The car began to make a noise on July of that year. I reported this to the after-service dealer, where we buy the car, but they couldn't found what makes the noise. The had told me that they changed the damper (shock-absorber) at least 3 times, but each time, the noise continue there, it sounds like a ┐clap┐ each time I pass through a brim, or just driving. They said it was the suspension, the dampers, but the noise is still there. The car stayed several days and several times at the after-service of the car dealer, and they wouldn't be able to repair it, so we decided to prove a new car-dealer after-service, and we took the car there several time too. This last time, tired of their inefficiency, lack of compromise and non service customer, we decided to write O Mazda Mexico, and they have the car on the last car-dealer where we took the car the last time, it's going to be the third time during March, that my car is there, they couldn't fix it, and today they said that they are still reviewing it, and they don┐T have a clue about that could be happening. We don┐T know what to do, so we are trying to express this issue in all the forums that we have available. I hope you can help on this, because I read that you send the failures to several countries, when you find something.

- Mexico, 00, USA

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problem #1

Apr 142008


  • miles
2007 mazda323 lost control and hit a barrier wall. The police report stated the vehicle had a flat left front tire and steering mechanism damage that caused the consumer to lose control of the vehicle

- Middleburg Heights, OH, USA

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