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Old 03-04-2014   #1
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bravo shaking!

Hey!

I have a 57 plate Fiat Bravo 150.

It drive completely fine until I get to about 55 mpg and then it shakes. I can feeling it the steering wheel, and passengers feel it too. When I take my foot off the accelerator the vibrating stops. Also tends to stop when i get to around 70mph.

I had new front tires and had them balance so pretty sure thats ok.
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Old 03-04-2014   #2
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Re: bravo shaking!

I'd get the balance of the wheels rechecked, especially if it started when you got the new tyres fitted.
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Old 03-04-2014   #3
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Re: bravo shaking!

I can get them checked but it was happening before.
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Old 03-04-2014   #4
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Re: bravo shaking!

wheel balance ( all 4 ) is the obvious/ easy thing,
wheel as well as tyre balance..

out of balance engine flywheel. or counterbalancer could also do it.., as you don't generally hold a steady high-ish RPM in the lower gears,

my money is still on a wheel or tyre imbalance--those speeds are also typical of it ,

swap wheels front to rear.. look for a difference..

charlie
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Old 03-04-2014   #5
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Re: bravo shaking!

My money is on wheel balancing. Check no build up on mud on the inside of the wheels also. I had this last winter on the rear wheels, and was causing rear wheel shake. It was most strange.
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Old 03-04-2014   #6
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Re: bravo shaking!

I will get them redone, but kwik fit was supposed to have done them when they did the tyres.

But... If it was shaking before I had new tyres and it's now still shaking, does that rule out balancing?
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Last edited by cybernetuk; 04-04-2014 at 00:37.
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Old 04-04-2014   #7
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Re: bravo shaking!

Lead (or whatever metal they use for balancing) can get thrown off the wheels at speed so you may find its just a case of getting them rebalanced. Thats pretty much guaranteed to be the cause of your problems I would think.
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Old 04-04-2014   #8
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Re: bravo shaking!

I've had this problem twice before and checked the wheels and alll that low cost stuff first then first time found the drive shaft was the problem and second time was one of the front wheels was a wee bit loose and this was fixed by changing the steering arm.
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Old 04-04-2014   #9
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Re: bravo shaking!

Turns out it was the balancing. Even though I took it to kwik fit to do the 2 front tyres and balance or 4 only 6 days ago! Took it to a place today and they said all 4 were way off!
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Old 04-04-2014   #10
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Re: bravo shaking!

Quote Originally Posted by cybernetuk View Post
Turns out it was the balancing. Even though I took it to kwik fit to do the 2 front tyres and balance or 4 only 6 days ago! Took it to a place today and they said all 4 were way off!
so now you know NEVER to go to Kwik Fit
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Old 11-04-2014   #11
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Re: bravo shaking!

Oh no! I spoke too soon. Although the garage said the balancing on all 4 tyre were out and have now fixed them, I still get a shake. I was away so didn't really drive it much, but the shake is as bad as ever. Can feel it right in the steering wheel.

When I had it MOT'd a few months ago they said i had a sicky rear caliper, but they greased it and said it was functioning ok. Could this cause it?
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Last edited by cybernetuk; 11-04-2014 at 22:02.
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Old 11-04-2014   #12
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Re: bravo shaking!

Warped brake disk could be causing it, and it could have warped if the calliper was sticking and it was over heating.
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Old 12-04-2014   #13
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Re: bravo shaking!

In may case, shaking from front wheels during acceleration was because there was no grease in inner joints of driving shafts.
They were cleaned, new grease and shaking was gone.
I balanced tyres, changed alloys, even changed tyres-but nothing helped
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Old 12-04-2014   #14
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Re: bravo shaking!

Got another garage to take a look and they said that both the front tyres were badly buckled. They have changed the fronts to the backs and there is some improvement. I guess I need to change the wheels themselves.

Can anyone recommend anywhere?!
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Old 13-04-2014   #15
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Re: bravo shaking!

Just out of interest. If the damaged wheel rims are now on the back, should I still feel the vibration in the wheel? Managed to find some rims for 40, so at leat it wont be too expensive.
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