Used 2007 Mazda CX-7 Consumer Reviews
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VVT Timing Chain Issue?
houstongfamily, 03/20/2012
2007 Mazda CX-7 Sport 4dr SUV (2.3L 4cyl Turbo 6A)
103 of 111 people found this review helpful
I was driving my Mazda CX-7 on the highway at 65 mph when my car made a loud noise from the engine and had a loss in power. I towed the car to a Mazda dealer where the technician that inspected my car stated the timing chain was missing a pin and caused the engine to break. Therefore my engine needed to be replaced. I replaced my engine at 72K miles which is slightly over the 70K mile service notice that Mazda recently put out for reimbursement from repairs related to the VVT Timing Chain. I hired a lawyer to pursue reimbursement of my engine replacement cost and would like to know if there are more cases of engine failure or repairs around/above 70K miles due to the timing chain.
Great fun cuv !!
Ken McWilliams, 10/05/2016
2007 Mazda CX-7 Touring 4dr SUV AWD (2.3L 4cyl Turbo 6A)
16 of 16 people found this review helpful
It's more like a car than a truck. Quick and nimble but more room than Honda CR-V or Toyota rav 4
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Turbo failure x 2 and only @ 63,000 miles
highland303030, 04/25/2013
2007 Mazda CX-7 Grand Touring 4dr SUV AWD (2.3L 4cyl Turbo 6A)
47 of 52 people found this review helpful
1st turbo blown @ 43,000 miles driving down the road 30 miles an hr hear a load pop and whine and total loss of pwr. Seemed like i could only drive in 1st gear. Took to dealership and the following: 1. turbo charger replaced 2. Gasket, Turbo Charger 3. Gasket, oil pipe 4. Stud 5. Stud, Surge Tank x 8 6. Nut, Flange x 9 7. Sensor, air & Fuel 8. Pipe Fuel main 9. Valve, Selenoid Confirmed Customer concern, performed compression test and evaluated engine 175, 175, 180, 180. Engine appears not to be internally damaged, found turbo Impeller Rattling and sending engine oil into exhaust system, found no oxygen sensor signal. Replaced turbo and oil lines, replaced oxygen sensor. replaced fuel lines
Some good advise to current owners
wlu, 07/29/2011
2007 Mazda CX-7 Sport 4dr SUV (2.3L 4cyl Turbo 6A)
32 of 35 people found this review helpful
Here is my advise to those who still own a 2007 CX7. 1. Pay the $600 (or so) and have a mechanic open engine to clean any sludge that may have accumulated over the years. Make sure they check over the timing chain and VVT actuator. 2. Don't follow Mazda's service plan, perform oil changes every 3000 miles. My Mazda dealer switched to 5w-20 (instead of 5w-30) because it is more durable with the turbo. You might want to do the same. I loved the performance of the car the short 2 years I had it. Build quality is ridiculously cheap! Parts are crazy expensive! I traded our CX7 in yesterday for our first Ford (always owned Mazda until now). I wish you all good luck with this car.
Worst Car I've yet to own!
mtbrider1, 11/01/2011
2007 Mazda CX-7 Grand Touring 4dr SUV AWD (2.3L 4cyl Turbo 6A)
31 of 34 people found this review helpful
Hmmm.... let's see.... how many people have had happen the EXACT same thing as I have--Bad VVT causing timing chain stretch? Started to happen at 62k miles and thus Mazda is not standing behind the car. Luckily I caught it before it caused a snapped chain and ruined engine. Timing chains are supposed to last MUCH longer, and yet Mazda acts like it is a rare occurrence. I also struggled with the turbo lag. At first I fooled myself into thinking that it was normal for a turbo-until I owned a TDI Jetta--not even close. The unsettling lag and then surge in power at times was almost comical. The longer we owned it, the less an less we liked this car--sold it off for a new Subaru!
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