R52 :: Cabrio Talk (2005-2008) Cooper and Cooper S convertible (R52) discussion.

R52 Vibration on idle

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Old Apr 11, 2018 | 01:48 PM
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Vibration on idle

My beloved new-to-me 2008 JCW vibrates quite a bit while idle. If I rev up a bit the vibration goes away. Any recommendation on common causes and fixes?
 
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Old Apr 11, 2018 | 01:56 PM
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Whine not Walnuts
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From: Fuquay Varina, NC
Join the club relative to the rattles. The verts shake more as there is no lid to tie things together.
 
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Old Apr 11, 2018 | 01:57 PM
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I mean, it's not horrible, but definitively noticeable.
 
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Old Apr 11, 2018 | 02:05 PM
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From: Fuquay Varina, NC
I have put rubber strips between the x braces and the fuel tanks, rubber o-rings at suspension to body connectors and an ATI crank pulley. The first helped remove some at the rear, the second helped a little but the handling suffered and the third did nothing. I have one rattle in the back that I think is the plastic tailgate interior trim but it goes away when the car is warmed up a little.

There is thread here somewhere on a guy that took the dash apart and put some surgical type tape at all the joints.

Turn the radio up and get use to the rear view mirror image looking like there is vasoline smeared on the mirror.
 
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Old Apr 11, 2018 | 02:08 PM
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Originally Posted by Whine not Walnuts
Turn the radio up and get use to the rear view mirror image looking like there is vasoline smeared on the mirror.
LOL. Thanks
 
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Old Apr 11, 2018 | 02:25 PM
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with the age of the car you may want to check the condition of the motor mounts ....
 
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Old Apr 11, 2018 | 02:25 PM
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Good point. I was thinking of replacing them anyway.
 
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Old May 10, 2018 | 11:57 AM
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Motor Mounts

Please take a look at the photo I posted in this section about the PanAm Mini. The photo shows where to look for leaking hydraulic fluid which will indicate a failed passenger side engine mount.

I didnt consider this replacement too hard. Pelican Parts has a good tutorial on their website, although I didn’t need to remove the wheel liners. You’ll definitely need a good floor jack, four jackstands, a solid, stable floor to work on, and that’s about it. The rest is basic 3/8” and 1/2” ratchets, breaker bars, extensions and torque wrench. The only special tool is an E12 socket for removing one bolt. (There’s no shortcut; you must have that socket). I noticed a HUGE reduction in vibration after doing this. Some rattles remain, but you can’t fix rattles if your car vibrates so badly.
 
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Old May 10, 2018 | 01:49 PM
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Fantastic! Thanks for the info, I will put it on the top of my to-do list
 
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