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Discussion Starter · #1 ·
since yesterday i have had strange noises from the engine or from the supercharger
it sounds like a squeal from the brakes
it is only when it is warm and it squeaks every 5 seconds
i sprayed the belts with silicone but the noise came after the first throttle was idle again

car has been 11k miles ...
 

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2020 Challenger Hellraisin Scat Pack.
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Another car manifested a faint chirp at idle. Turned out to be a bad idler roller bearing.

If you want to before you take the car in you can try to ID the source of the noise. I had a mechanic's stethoscope in my toolbox that was handy for this. Be very careful around the running engine and its accessory drive/supercharger drive systems.
 

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2016 Bright White Challenger
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since yesterday i have had strange noises from the engine or from the supercharger
it sounds like a squeal from the brakes
it is only when it is warm and it squeaks every 5 seconds
i sprayed the belts with silicone but the noise came after the first throttle was idle again

car has been 11k miles ...
tensioner pulley died on mine and sounded the same. Put a long screwdriver to it, and then your ear to hear the vibration.
 

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Discussion Starter · #4 ·
do you think it's the blower pulley or a other?

another question ... can i start the engine wirhout the supercharger belt

Thank you for answer
 

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do you think it's the blower pulley or a other?

another question ... can i start the engine wirhout the supercharger belt

Thank you for answer
I think its the tensioner one, since you don't have constant issues, a S/C bearing being bad would always make a noise, the off/on issue leads me to believe its not the blower. and you cannot unfortunately as its your means of intake air.

I would take the belt off and spin the tensioner and idler with your hand, and see if you can feel friction
 
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