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R53 Supercharger Damage?

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Old Nov 12, 2017 | 06:54 AM
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wedge07
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R53 Supercharger Damage?

Was getting some work done on the R53 and noticed the "scrapes" on the ends of the vanes of the supercharger. I've not seen or heard of this before. I know clearances are super tight in there...

Thoughts?
 
Last edited by wedge07; Nov 12, 2017 at 03:34 PM. Reason: Adding the picture.
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Old Nov 12, 2017 | 07:53 AM
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From: soggy pnw
Originally Posted by wedge07
Was getting some work done on the R53 and noticed the "scrapes" on the ends of the vanes of the supercharger. I've not seen or heard of this before. I know clearances are super tight in there...

Thoughts?
I gather you meant to say you can feel something scraping in the SC when you hand turn the pulley. If so it must be a sign of it is on the way out. The two rotors are not supposed to touch but the spaces have to be quite tight. Likely the bearings and/or gears are worn. I have no firsthand experience.
 
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Old Nov 12, 2017 | 03:27 PM
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We see this all the time as it is pretty common so I wouldn't worry too much about it.
 
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Old Nov 12, 2017 | 03:30 PM
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Originally Posted by WayMotorWorks
We see this all the time as it is pretty common so I wouldn't worry too much about it.
WayMotorWorks once again to the rescue. Thank you!
 
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Old Nov 12, 2017 | 03:31 PM
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wedge07
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From: King George, VA
Originally Posted by pnwR53S
I gather you meant to say you can feel something scraping in the SC when you hand turn the pulley. If so it must be a sign of it is on the way out. The two rotors are not supposed to touch but the spaces have to be quite tight. Likely the bearings and/or gears are worn. I have no firsthand experience.
No sound nor sensing of the “supercharger self-destruct song.”
 
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Old Nov 12, 2017 | 03:56 PM
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A picture is worth a thousand words.
 
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