What is this sound?
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Neutral
Joined: Jun 2014
Posts: 6
Likes: 0
What is this sound?
This sound gets made when the mini is cold. It goes away after a min or two. Sounds like it comes from the back of the motor or maybe even the belts area. Im asking because i just got a warranty letter about the turbo and was hoping that was it so i didn't have to spend a bunch of money fixing it. It does not feel like it affects anything while moving just horrible high pitch sound that happens more when i let off the gas also.
3rd Gear
Joined: Oct 2017
Posts: 271
Likes: 29
From: Austin, Texas
I put my money on the valve cover PCV diaphragm. When torn, they usually make that high pitched sound that goes away when you lift out the dipstick. The best fix is to replace the valve cover although a few have successfully replaced just the rubber diaphragm located under the plastic cap on the valve cover.
Last edited by S-2013; May 14, 2018 at 07:23 AM.
1st Gear
Joined: Dec 2012
Posts: 38
Likes: 5
I put my money on the valve cover PVC diaphragm. When torn, they usually make that high pitched sound that goes away when you lift out the dipstick. The best fix is to replace the valve cover although a few have successfully replaced just the rubber diaphragm located under the plastic cap on the valve cover.
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