Question about 1996 BMW Z3 Roadster

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At 28 miler per hour there is a bumping noise (like going over the road bumps on the side of the road)coming from the right rear tire. Only lasts for a second, and not even noticeable at low speads.

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Checkthe metal bracket that holds the differential unit to the car body. It is a flymsy metal piece that can crack crweating weird noises as you drive.

Posted on Mar 27, 2009

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Have a look inside the rear bumper , there is a vibration damper mounted that is bolted on to the body , this makes the noise .

Posted on Feb 06, 2009

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2012 miata mx5 has growling noise in rear coming off a speed bump or bumpy road upon executing a left or right turn.


wheel bearing is the first to be check. lift the car on the lift and push/pull the wheels in and out. if excessive play replace the bearings.

Mar 27, 2014 | 2012 Mazda MX-5 Miata

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Rumble after hitting a small bump in the road


need a little more detail here.
Rumble from front? rear? left or right side?
And shake in the steering wheel?
How big a bump and how fast were you going?
Was the rumble instant after the bump?
Is it constantly making the noise or now and again?

Jan 06, 2013 | 2004 Hyundai Tiburon

3 Answers

It sounds like it is coming from the passsenger front wheel : bump bump bump going down the road and sometimes as if the front brake is coming lose ( not the case) 2005 4x4 ford escape is it possible just...


This sounds to me like a broken strut more than anything. As far as i know you can not remove the front differental, because this is the main drive. The rear wheels are only drivin while in four wheel drive. I would sugest to take your car to a mechanic shop and have them "shake down the front end" for any loose parts. A ball joint can also cause a noise as well as a strut mount or strut.

Mar 04, 2011 | Ford Escape Cars & Trucks

4 Answers

04 Dodge 2500 4X4 shakes violently after hitting bump at 55 mph +


The bumps do initiate the shaking. When my 2006 Ram 2500 4x4 started shaking, I had just had it aligned that morning. A month or so before that alignment, my passenger side outer tie-rod broke while driving down a rock road. I replaced it with a heavy duty MOOG tie-rod end. Anyway, the same day I had it aligned I was driving back home from a job and towing my bobcat behind me. I hit a bump and the truck did the "death wobble" with the front end shaking violently up and down in an alternating fashion (one tire in the air while one tire on the ground and then vice-versa). I changed the tires first (which were worn-out 305/75/17 mud tires). Since the day I bought the truck new in Jan. 2006, I've had larger tires on the truck than the tiny 235/75/17s that came with it and I've done a lot of heavy towing with it and never had a problem until this alignment was done at Sears. I;m still trying to figure out if it was the alignment specs that they used or if the problem coincidentally started that same day. I also changed the steering stabilizer. Neither the new tires nor the stabilizer/damper helped the problem. So I changed the other outer tie-rod end and the upper and lower ball joints (all MOOG with grease fittings). I turns out they were worn out. So, the truck no longer shakes violently up and down when I hit a bump. That problem seems to be in check. However, now when I hit a bump the truck's front end wobbles side-to-side. I can do a few things to recover from it. I can hit the brakes pretty hard and sudden (which can cause an accident on the interstate), or I can **** the steering wheel side-to-side a few times (from 10 o'clock to 2 o'clock) and that stops it immediately...until the next bump in the road. Also, if I let my foot off the accelerator just before hitting a bump and let the truck coast over it instead of power through it, sometimes the truck will ride over the bump without incident. I found out yesterday on a 5 1/2 hour road trip that if I did 80 to 90 miles per hour and powered through every road blemish, the truck rode fine...no shaking at all. I suppose the high speed forces the tires to stay straight when they hit a bump. Lastly, to confuse my problem solving attempts further, sometimes the truck rides like a cadillac (for an hour or so) at regular speeds and no matter what bumps I hit. Then without worning, the front end will loosen up and get that sloppy feeling again and the wobbling comes back at every bump...until the next time it feels like tightening up and driving right again. I have no idea what to do now. I'm going back to Sears today to have them check their alignment. Other than that, all I can think of is to change the rest of the steering components and check the steering box for malfunction. I hope someone can help all of us Dodge owners out off of the road tested info that I've just provided. Dodge doesn't seem to care to address the problems with their trucks front ends, and we need a solution before people get hurt or die. I was almost run over by an 18-wheeler trying to figure out how to handle the shake. I can't afford to buy another truck. So I need to fix this one so I can keep working. If anybody has a concrete solution to these problems, please let us know. I've read 20 different opinions from mechanics on these blogs, but nobody has said yet that they fixed someone's truck with these problems and have since heard from that customer and everything is still working fine. Opinions are helpful sometimes, but they're also confusing when they're conflicting.

Jun 24, 2009 | 1998 Dodge Ram 1500 4WD

2 Answers

Saab 93 - noisy when going over bumps on the road.


Have you tried driving over a bump whilst also applying the brakes? (Right foot on gas, left gently on brake - with no one behind you!) If the noise goes away, then it could be the brake pads that are not fitted correctly. Only posting this, as this just happened to mine...the mechanic took it over bumps and noise was there. Applied brakes whilst going over bump, noise went away. Replaced badly fitted rear pads (had been bodged by another garage) and the problem was solved.

Apr 23, 2009 | 2004 Saab 9-3

1 Answer

96 Golf 2.0GTI 8v knocking noise from rear when accelerating


its probably your bump stops. the vw ones are very soft. i bought ford escort (the shape after the xr3) ones and cut them a little down to fit. i think the noise is either your shock touching or the sound of the tire scraping the body of the car. hope this helps.

Mar 16, 2009 | 1996 Volkswagen Golf

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