Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Engine/Tranny chatter?

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  #1  
Old 02-12-2011, 11:51 PM
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Engine/Tranny chatter?

03 Cooper S manual.

I hear metal chatter coming from the engine bay
* Whenever I give a little bit of gas. It doesn't matter if clutch is engaged or not.

I don't hear metal chatter coming from the engine bay
* Car is sitting still but if I give some gas, I hear it
* If I'm coasting in neutral I don't hear it but as soon as I give some gas, I hear it.

It seems as if the problem is related to accelerator somehow.

Any ideas?
 

Last edited by Ammi; 02-13-2011 at 12:00 AM.
  #2  
Old 02-13-2011, 09:30 AM
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My '03 is making the "coins-in-can" sound and a stethoscope confirms it is coming from the SC, so it is in my garage. I will be contacting Supercharger Technologies tomorrow to order a rebuilt one. Per Hayes manual, it seems to be a weekend job, I just wish the intake manifold didn't have to be removed.

http://www.superchargertech.com/Mini.html

https://www.northamericanmotoring.co...r-pump-13.html

https://www.northamericanmotoring.co...-happened.html

Best of luck, and...
Be Peace, in your World,
Stuart
 
  #3  
Old 02-13-2011, 03:07 PM
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are your symptoms same/similar as mine? you can only hear the chatter when you press on the gas pedal?
 
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Old 02-21-2011, 08:33 AM
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anyone else w/ some input?
 
  #5  
Old 02-21-2011, 02:35 PM
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I'm thinking belt tensioner or idler pulley..
 
  #6  
Old 03-14-2011, 06:51 PM
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Engine clatter

My '04 R53 S just started an intermittent clatter which increases and decreases with RPM and also in loudness. Sometimes its just a flutter and then it increases to a loud clatter. It has 104K miles and I had a 15% pulley put on at 60K. I've been reading threads about SC oil levels and huge expense. Any insights? Might it just be a belt or some other easy remedy.

A month later...it turned out to be a tensioner pulley bearing was going out. SC was fine. Had the water pump replaced at the same time since it had ~ 110K miles on it.
 

Last edited by Jpeters4; 01-24-2012 at 04:59 PM. Reason: After repair
  #7  
Old 04-16-2011, 05:12 PM
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Replaced the SC with a rebuilt unit from Supercharger Technologies. Not an easy job: Had to buy belt tensioner tool. Removing the intake manifold bolts and torquing requires 1/4inch drive swivel. Also, there was some interference between the intake manifold and the SC output duct that required grinding to replace the intake.

No more "coins-in-coffee can" sound and all is good.
 
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