Notes: Keep an eye on your tire's valve stems. There are reports that they can corrode, break and take your tire from inflated to mush in "what the heck just happened" seconds flat. Otherwise, most owners say it's pretty smooth sailing with this car.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
62,750 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.

2009 Mazda MAZDA5 wheels / hubs problems

wheels / hubs problem

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2009 Mazda MAZDA5 Owner Comments

problem #4

Jan 082015


  • 84,000 miles


The tire pressure sensor illuminated and I checked to see if the tire was flat. It was not. I drove to a filling station to top off the pressure and as I was driving away from the air pump the valve stem to the rear driver side tire broke and the tire deflated instantly. The valve stem was corroded. Apparently it was initially cracked slightly causing the tire to first lose air slowly. Then, upon manipulation from the pump fitting, the stem was further damaged causing the stem to break off. I did have this happen once before. The explanation from a service station was the same. In this model the valve stem and pressure sensor is a single assembly so when the tire is changed the valve stem is not changed even if it is old and showing signs of aging. Otherwise the cost of replacing a tire would be nearly doubled. The sensor itself will last much longer than its valve stem. Consequently, the stems do eventually corrode and break off at inconvenient, possibly dangerous, times. The service stations say this is common for this vintage of Mazda. The service rep said mine was the second they repaired on the very same day! as I said, this happened once before when a stem broke off as I was backing out of my home parking spot. A couple of days before the this reported event, I took a long road trip and a sudden deflation like this could have happened at highway speed. It would have been tragic! I have checked on-line and have found many identical complaints. If it has not been reported to NHTSA before now, I am quite amazed.

- Chadds Ford, PA, USA

problem #3

Sep 032014

MAZDA5 4-cyl

  • 71,000 miles
Went to inflate tires, valve stem broke and tire went completely flat. I was lucky that this happened when the car wasn't moving - I have read about the valves failing at highway speed, when it could have caused an accident.

- University Park, MD, USA

problem #2

Aug 112011

MAZDA5 4-cyl

  • 48,000 miles
TPMS sensor-valve failure: I was driving to work going about 40 mph when TPMS light went on. I could not pull off immediately because of road conditions. Shortly after that I could hear the sound of a very flat tire. When I managed to pull off and check the tires, one was completely flat. Tire was too damaged to re-inflate. The relatively new tire and the TPMS sensor had to be replaced.

- Charlestown, RI, USA

problem #1

Jan 272011

MAZDA5 4-cyl

  • 48,000 miles
TPMS sensor-valve slow leak: Four new tires (pirelli P6 four seasons) installed at Mazda dealer on Jan 2011. The original TPMS sensor-valves where used on the new tires. After that the TPMS warning light would go on every couple of weeks. I would check the pressure in all the tires using a digital gauge which showed slightly low pressure (high 20?S psi) in one tire, the same tire each time. I would inflate the tire to the correct pressure. One reason I am reporting this is that there is a well-documented history of TPMS sensor valves breaking easily when putting air in the tire. The more one has to inflate the tires the more likely the TPMS sensor-values will break.

- Charlestown, RI, USA

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