Rear thumping sound - Suspension and Brake Forum

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Rear thumping sound
Thursday, June 19, 2008 5:39 PM
Ok... so 2 weeks ago I took my car in to a shop because my back was making a thumping sound if I used the brakes at anything over like 25% force. I thought it was a brushing or something suspension wise, they assured me that it was the rear brakes and I decided to just get them done there (mistake...). Now low and beyond it's back (was actually back the next day). Any suggestions on what it could be? I don't want to take it back to those jackasses. Rather just do everything myself now unless it deals with replacing a strut.



2003 Silver Eco powered Sunfire

Re: Rear thumping sound
Thursday, June 19, 2008 5:46 PM
STRUT MOUNT!!!



Re: Rear thumping sound
Thursday, June 19, 2008 6:33 PM
Thx for quick answer but you positive? I've heard so many answers (CV, wheel bearings, and strut mounts), that I don't want to go crazy with repairs with a car I may be getting rid of soon.

Question though: Does getting new strut mounts mean I have to get new struts as well? I'm going to jack up the car this weekend and have a good look to see if I see if the mount looks bad,


2003 Silver Eco powered Sunfire
Re: Rear thumping sound
Thursday, June 19, 2008 6:37 PM
NOPE strut mounts do not require new struts.

QUIK NOTE!!!

I have heard that praying wd40 or something similar into the strut mount can eleviate some of the noises they make.



Re: Rear thumping sound
Thursday, June 19, 2008 8:11 PM
yea the stock strut mounts are horrible. does it kinda sound like loose lumber in the trunk?



http://members.cardomain.com/yellow05cavy
Re: Rear thumping sound
Thursday, June 19, 2008 10:25 PM
Wheel bearings usually make a growling noise rather then a thumping noise, so I would have also said strut mounts.

I don't think you'll be able to tell if the mount is bad by looking at it still on the car but while you there have a look at the strut its'self and check it's not leaking etc.




(99 - Sunfire - Red - 2200)(95 - Cavalier z24 - Purple - 2.3 quad four)

Re: Rear thumping sound
Thursday, June 19, 2008 10:29 PM
Are you sure it isn't Billy Batts?
Re: Rear thumping sound
Friday, June 20, 2008 3:44 PM
Alright thanks guys. I looked and it doesn't look too hard to do myself. I just have to invest in a few tools here and there but looks like a fun little project. Hopefully do it in a week or two. I know the guy who did my oil said may need new wheel bearings at some point, but they only looked at the front and this is coming from the back. I may get around to that at some point but still can't decide about if I want to keep or sell car. Good gas saver but starting to get into repair mode after 5 years, even with only 38K miles.


2003 Silver Eco powered Sunfire
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