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Mazda CX-7 Noise and Vibration

27 messages,  Last post on Aug 16, 2008 at 7:22 AM

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What is this discussion about? Mazda CX-7, SUV

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#25 of 27 Fixed... I think... by maavalous Jul 31, 2008 (5:36 am)
It is a bit mind boggling that my dealership couldn't find anyone that was aware of this or that it wasn't already out as a TSB!! I think the serious vibration problem may have been fixed by replacing the tail shaft. I need to give it another 1,000 miles with no serious vibe to be certain... the original vibe didn't become apparent until around 1,000 miles. Since I now know that Mazda got a bad batch of shafts I can't be positive, yet, that the one they installed isn't also one of the "bad" ones. Statistically, it is possible. There is still a vibration in the car at highway speeds. It is clearly not as bad as before. Not sure what to attribute the remaining vibe to... tire, motor, suspension, overall design... very hard to say. I have a sneaking suspicion it may be related to the combination of 6th gear and low RPMs (which is great for gas mileage but is the rough-running range for a 4 cyl. motor). It seemed to be less noticeable if I manually shifted down into 5th or 4th while maintaining same speed. So, this may be a "design choice" and nothing "fixable". But, unlike before, I can get over the reamining vibe in time :o)   Thanks for your reply and help!!
#26 of 27 Re: CX-7 Steering Wheel Vibration [jennholl02] by deezozdodge Aug 03, 2008 (7:41 am)
Replying to: jennholl02 (Apr 09, 2008 5:32 am) Do the test: raise the car up on jackstands. move the tire and wheel with your hand up and down and side to side. check for play. you should not have any play. if you do have play, look carefully around the ball joints, tierod ends and inner tierod.   mine was inner tierod bushings. a $15.00 part and easy fix...
#27 of 27 Squeeking under front of car by sweetie12 Aug 16, 2008 (7:22 am)
I have had my 2007 CX-7 for 1 year and have had a noise under the front end for about 9 months. I first thought it was due to the cold winter months, but I still have it. I had the car in a few weeks ago to have the motor replaced in the sunroof (apparently I'm not the only one) and for this noise. It sounded to me like a noise in the shocks, struts, ball joints, something to that effect. I took the mechanic for a long drive over speed bumps, etc. and he said it was the bushings in the stablizer bar making the noise. They replaced the bushings, but I still have the noise. Is anyone else experiencing this type of problem? It's really irritating!!

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