A Loose rear stabilizer bar link can cause a rattling noise from the rear suspension while driving on rough roads. Our technicians tell us if the rear stabilizer bar and links are not found to be loose, there are updated sway bar bushings available which should correct this problem.
Rattle From Rear Suspension Due to Loose Stabilizer Bar Links on Mazda Mazda3
Average mileage: 85,111 (9,000–172,000)
55 people reported this problem
25 people shared problem details
At about 24,000 miles I began to hear this same rattling noise everyone here is describing at the drivers side rear of the car and although I continually asked the dealership to check the car to find the problem, a problem was never found. I thought it might have been the exhaust bouncing around after being told there was no problem because the car still rode well. 4 years of this noise and 4 years of complaining about this noise and the dealership has finally, finally found that the coil spring on the drivers side rear is broken! I have been driving around like this for 4 years! Even the service manager said a broken coil spring is rare on a car - they better do this work under the warranty, even though it's now expired!
2007 Mazda Mazda353,000Visitor
My wife noticed a rattling noise from the rear of the car. The noise was more evident as we drove on rough roads and hit pot holes. It sounded as if something was rolling around in the trunk. I looked at the shocks and saw nothing wrong. The trunk was empty and no parts were visibly loose. We took it to the Dealership very frustrated since we have had no issues with this car since bought new in 2007. The Dealership told us it was a stabilizer bar link. I had never heard of or seen such a part. They replaced it. Here we are 2 yrs later now with 73,000 miles and the stablilizer bar link is broken again. This is very frustrating. What can we do to not have this problem continuously, other than sell our car?
2005 Mazda Mazda3120,000Visitor
I've had my car in to the dealer three times and they still cannot diagnose the problem. I've replaced undercarriage cowlings (front and sides) and front struts but the binding, rattling sound is still there. Listened to Car Talk and when a listener described their problem, it was diagnosed as stabilizer links - which very accurately describes my problem. Why is it so hard for the dealer to find?
Great car other than this persistent rattle from the passenger side rear of car on bumpy roads. On the highway there is no problem. This web site is very helpful.
2007 Mazda Mazda392,000Visitor
Clunking noise coming from passenger side rear. Usually occurs when I am on a bumpy road or going over railroad tracks. Husband looked under car and the swaybar link is bent and nut is rusted so you cannot tighten it. Going to dealership to have it looked at this weekend. This really should be a recall item!!!
2010 Mazda Mazda3Visitor
Rattling sound from rear right when driving slow or on bump! Not fixed yet…
2010 Mazda Mazda325,700Visitor
rattle rattle. Took everything apart, still hear it. Bummer.
2010 Mazda Mazda39,000Visitor
Rattle from rear when driving over the smallest bump...taking it in soon
2007 Mazda Mazda3118,194Visitor
I'm also noticing a rattle noise from the rear of my car when doing lower speeds or going over speed bumps.
2008 Mazda Mazda370,000Visitor
Won't stop rattling can't find the rattle in the rear
2004 Mazda Mazda3Visitor
Rattling while going over bumps in the right rear tire especially. Also a strong Knocking nose while breaking in the Right Rear. Had Front Struts replaced because of same issue.
2009 Mazda Mazda3130,000Visitor
I've just heard this rattling noise at first I thought it was my spare tire. Ouncing around but I checked and nothing in the trunk was loose so I told my fiancé we are going to have to get it checked I just haven't had the time to yet
2005 Mazda Mazda366,000Visitor
I have rattling sounds coming from the rear of my 2005 Mazda 3 also. At first I thought it was the tag and tag holder, but after replacing the tag holder with a rubber cover made to prevent noise, it still made noise! It does get louder on bumpy roads and such, but mine makes the noise all the time and I hate it.
2005 Mazda Mazda3101,000Visitor
2010 Mazda Mazda379,000Visitor
Rattling in the rear on the driver side everytime I go over a bump. I had some one else drive it and I drove behind to take a look and the wheel bounces on the road everytime it hits a bump. I brought it in and the mechanic said it's the shocks but now I think it's the stabilizer link.
2008 Mazda Mazda375,000Visitor
Rattling coming from the rear left. Brought it in this morning. We'll see what their answer is.
2008 Mazda Mazda3110,000Visitor
rattle noise in rear end, after consulting a mechanic given $300 estimate to replace both sway bar end links and do 4 wheel alignment
I have had this issue for over a year.I brought it to the mechanic when I first hears it and they couldn't find anything. The noise is getting worse so Ibbrought it again and they are telling me it could be the transmission and the front axle? I thought for sure I kept hearing it from the back. Any recalls on this issue?
2008 Mazda Mazda360,000Visitor
I started hearing a rattling noise coming from the right rear of the car. I did some searching online and think that it is the right rear sway bar link, which I plan on replacing. Hopefully this will fix the problem.
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