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2009 c63 whistle sound from under the hood

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Old Feb 21, 2019 | 04:31 PM
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2009 c63
2009 c63 whistle sound from under the hood
Most of the posts said this sound was caused by bad pcv or breather. However it was said if you remove the dipstick the sound would go away . when i remove the dipstick the sound remains. When i shut the engine off the sound persists for another 5 seconds after key is in off position. Any idea?
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Old Feb 21, 2019 | 04:34 PM
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'10 C63
Intake mani gasket.
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Old Feb 21, 2019 | 04:36 PM
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2009 c63
Originally Posted by chrisridebike8
Intake mani gasket.
any way to verify 100% this is the issue?
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Old Feb 21, 2019 | 05:34 PM
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When the car is warm, spray brake clean along where the intake mani meets the head. If the tone or idle changes, the gasket and bolts are bad. Or maybe even just see if any are loose. I had a few that were only finger tight. Do NOT retorque though. They will snap since they are single use torque to yield bolts
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Old Feb 21, 2019 | 06:03 PM
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2009 c63
Originally Posted by chrisridebike8
When the car is warm, spray brake clean along where the intake mani meets the head. If the tone or idle changes, the gasket and bolts are bad. Or maybe even just see if any are loose. I had a few that were only finger tight. Do NOT retorque though. They will snap since they are single use torque to yield bolts
Perfection . Thank you. Where is the engine coolant temperature sensor on these cars? Process? Pics?
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Old Feb 21, 2019 | 06:10 PM
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Originally Posted by djr48312
Perfection . Thank you. Where is the engine coolant temperature sensor on these cars? Process? Pics?
not sure. I never messed with that.
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Old Feb 22, 2019 | 11:54 AM
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2010 C63 AMG
This is what mine sounded like before I changed the gasket.

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Old Feb 22, 2019 | 11:56 AM
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2009 c63
Originally Posted by Jasonoff
This is what mine sounded like before I changed the gasket.

https://youtu.be/fMy7Ju74PwU
Thats the sound. How long did the gasket change take?
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Old Feb 22, 2019 | 11:58 AM
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Originally Posted by djr48312
Thats the sound. How long did the gasket change take?
Did it 4 years ago along with my PCV valve, don't remember. An hour or 2? If you're in there do your PCV as well.

https://mbworld.org/forums/c63-amg-w...valve-diy.html
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Old Feb 22, 2019 | 01:57 PM
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2015 Mercedes C63 amg 507
Like this...
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Old Feb 22, 2019 | 04:18 PM
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