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Vibrations


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#1 C-Bash

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Posted 28 March 2019 - 04:13 PM

Hey guys,
I have a 1999 Rover Mini Cooper. I’ve just bought it recently and the dealer had the gearbox redone. There is a vibration/rumble? Which at the time I thought could just be an older car/mini thing. I’m not sure if it’s gotten worse or that I’m always focusing on it but it happens the worse from just above idle to just before 3000rpm.

Is there a possibility that they didn’t put the flywheel back on properly with the gearbox rebuild or is this just a common Rover Mini thing??

Thanks everyone

#2 Wiggy

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Posted 28 March 2019 - 04:16 PM

It's engine speed dependant, and not road speed dependant?

Any change with the clutch in?

#3 C-Bash

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Posted 28 March 2019 - 04:45 PM

Yes engine speed dependant, and doesn’t matter what the road speed is. Still vibrates with the clutch in until it drops to idle speed and then goes away

#4 Wiggy

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Posted 28 March 2019 - 07:09 PM

Do you feel it (through any pedals), hear it, or both?

#5 bartman

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Posted 28 March 2019 - 08:33 PM

I presume they put a new clutch in. They probably didn’t balance the flywheel and clutch assembly this will cause vibration.

#6 C-Bash

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Posted 28 March 2019 - 09:34 PM

There's no clutch on the invoice. But yeah I was thinking it could be the flywheel. Do you think it could get worse or will I be okay to leave it in the mean time?



#7 Wiggy

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Posted 28 March 2019 - 10:37 PM

I would be somewhat concerned. I'd take it back to the garage. If it does it with the clutch in, that does point to the flywheel. Even if they'd changed the clutch it shouldn't be that unbalanced as to be noticeable.

If the flywheel isn't located properly, or the bolt is loose, you'll scrap the crank.

Like I did....

#8 bartman

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Posted 29 March 2019 - 08:25 PM

If both heavy points are together on the flywheel and pressure plate. Then the engine will be unbalanced which will be noticeable. If you ignore it then it is like to damage a lot if it let’s go. If you have had work done take the car back and explain to them the problem.




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