Thread: Supercharger rattle + possible bearing whine noise?

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  1. #1 Supercharger rattle + possible bearing whine noise? 
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    Sounds like a bearing whine from the SC, along with a rattle now and then.

    I am guessing the coupler is bad, but I worry over the whine noise. Is this something that replacing the SC oil tends to take care of, or possible additional issues (bearing) perhaps?
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  2. #2 Re: Supercharger rattle + possible bearing whine noise? 
    Killa Bee Scottydoggs's Avatar
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    take belt off. snap sc pulley back and fourth, if the coupler is bad you will feel and hear a click.

    no idea on the whining, superchargers are kinda know for the whine lol


    post a vid, they always help.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Supercharger rattle + possible bearing whine noise? 
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    Thanks. It has a little play/clicking - and i can hear the "rock rattle" as I call it now and then, so will do it this weekend.
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  4. #4 Re: Supercharger rattle + possible bearing whine noise? 
    Killa Bee Scottydoggs's Avatar
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    your best to get a green coupler, even a zzp one is good, def better then a stock one or a dorman one. and the oil is only found at the dealership, or on line.

    and supposed to use anaerobic sealant on the snout.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #5 Re: Supercharger rattle + possible bearing whine noise? 
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    Late reply.

    Replaced coupler last weekend, seemed to help quiet down just a bit. Oil was sludge inside, so worth the effort. I also ended up replacing pads/rotors front and rear and front axles. I was getting a on-power vibration around 45-55mph (and the boots were torn) so just replaced.
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