Vibration/Noise Due to Failed Engine Mount on Mazda Mazda3

Excessive engine vibration or knocking noises heard while the engine is idling, being started or switched off are usually caused by a defective engine mount at the top right side of the engine. A redesigned engine mount is available to alleviate this problem.

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Average mileage: 64,228 (7,000–112,800)
Engines affected: 2.0L 4 Cylinder, 2.5L 4 Cylinder
5 model years affected: 2004, 2005, 2006, 2009, more2010
13 people reported this problem
5 people shared problem details
My 2015 MAZDA3 iTOURING was brought in for service 2 days after purchase. I had to break suddenly on an interstate i95 and the car shuck so bad and the break pedal bounced in my foot while braking. After that any time I had to break over 40mph that's what it would do. They said one rotor was corroded and caused the abrupt shaking. Driving home from the dealership, did the same thing! Called and brought the car back the following day. Now they had to replace all 4 rotors? Then the clunking sound in the front end when entering a driveway, or leaving front end first. Clunk over speed bump as well. Fixed the "Service Bulletin" problem which I'm sure was the strut? Now the thump and clunk is back. My vehicle does vibrate over 50mph. You can see the vibration in my side mirror and when my sun visors are down. My Mazda has 3400 miles on it. Somewhat disappointed ...TC
2010 Mazda Mazda3- 2.5L 4 Cylinder7,000
same issue, engine mount defective #1 mount needed to be replaced. new models have modified mounts thsat absorb the vibration better, this vehicle is a skyactiv and the engine got a lot of trottling poiwer and shakes like crazy when idle
2010 Mazda Mazda3- 2.0L 4 Cylinder80,000
Bringing it in on Monday.
There is a large clunking noise when I start up and drive my car.
2005 Mazda Mazda367,500
I am currently having this problem.It is getting progressively worse. Problem occurs on passenger side when idling with foot placed on brake.
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