CarComplaints.com Notes: The 2007 Mazda CX-7 has numerous reports filed with the NHTSA about engine & A/C problems.
Owners report problems with the 2007 CX-7's Variable Valve Timing (VVT) & timing chain failing, causing major damage to the engine — Mazda uses an interference design so typically the valves are bent & the entire engine needs to be replaced. Mazda dealers typically quote $9,000 for an engine replacement.
There is also a trend of the turbo failing at low mileage.
Finally for the 2007 CX-7 there is a clear pattern of A/C compressor failure at relatively low mileage. Owners report smoke & occasionally the serpentine belt catches fire when the A/C compressor clutch seizes while driving. Mazda extended the A/C warranty to 60,000 miles, however many owners report their A/C compressor failed very soon after the 60k mark.
In 2011, Mazda began a "Special Service Program" that extended the warranty to 7 years/70,000 miles covering turbocharger oil leaks & excessive timing chain noise — an early sign of timing chain failure. However coverage under the program requires perfect documentation of all required maintenance with other stipulations. Buyer beware.
10.0
really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
28,830 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.
When I applied the brakes the brake pedal wouldn't depress, and I couldn't stop the car quickly. Fortunately I tried pumping the brakes which worked. The car goes into the Mazda dealership tomorrow for repairs. The vehicle is a Mazda Cx-7, 2007 model, with approximately 25,000 miles on it.
I have a 2007 CX7 Mazda and approximately 3 weeks ago, while @ a stop sign the engine revved up. Three days later @ a red light, the engine again revved up while my foot was on the brakes. This time the car moved forward towards the car in front of me. I placed the car in park and the car came back to normal. Then on April 21st, while reversing the car into a parking space in front of the local library, the car again revved up and was reversing. My foot was again on the brakes. After the second occurrence, the car was taken to the dealership and nothing could be found. A vehicle data recorder was installed. The car was returned to the dealership after the third occurrence. A new accelerator pedal is being installed although the exact cause of the problem is still unknown.
I was driving on a snow-packed interstate highway when the car ahead of me stopped. I applied the brakes immediately. My speed was about 25 mph. The anti-lock braking system immediately responded, but my speed did not diminish appropriately. I struck the car ahead. About 20 minutes later, I tried to stop at a red light and the vehicle seemed to continue with little or no brake force actually being applied. The anti-lock system seemed overly sensitive.
The contact owns a 2007 Mazda Cx-7. while driving at an unknown speed, the power steering, brakes, and the entire electrical system failed. The contact could not stop the vehicle. Approximately three minutes later, the power steering and brakes returned. The dealer stated that they had never before experienced this type of failure. The vehicle is currently at the dealer for repair. The failure and current mileages were 35,000.
- Saint Peters, MO, USA
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- Pearland, TX, USA