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.
A sound at the moment of starting the vehicle, then after a few miles the compressor, smoke and finally an invoice of 800 dollars with generic spare parts.
Just another confirmation that these AC compressors do have a problem. ours did make noise prior to failure. Our mechanic thought adding oil would be worth a try but that did not quiet it down, it failed a few weeks later by locking up. I understand lock up is common failure mode and you will hear belt squeal. When this happens turn AC off until you get the AC fixed or of course it will fail the serpentine belt and you are on the side of the road.
I really didn't need this expense right before the holidays. The car was well taken care of and didn't even have 60,000 miles on it. Of course there was no warranty left to cover this.
Being that I had to pay $700 to replace the AC Compressor just 10 months prior to this, one would think that the AC would work longer than 3 months. Compressor was replaced in November of 2012. AC wasn't used until June of 2013. AC stopped working in August of 2013. So aggravated!!!!
- Dawn G.,
Pittsburgh, PA, US
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A sound at the moment of starting the vehicle, then after a few miles the compressor, smoke and finally an invoice of 800 dollars with generic spare parts.
- Tlclast .., Westchester, IL, US