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06-18-2018
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?
06-18-2018
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.
06-18-2018
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.
06-18-2018
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.
Y2KGTP thanked for this post
07-14-2018
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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