Supercharger whine
#1
#2
Hi Craig. I don't really notice the whine, unless I hop on it. Except for after shut off. I can hear it spooling down after shut off. Are you referring to an audible whine from inside the car, with the windows up, at idle for instance? Or, standing outside the car, in front of it, at idle?
Certainly very subjective. Could also fall in the "within tolerances" category. Some may make more noise than others, all within tolerable operational limits.
Certainly very subjective. Could also fall in the "within tolerances" category. Some may make more noise than others, all within tolerable operational limits.
#3
#6
#7
If you think the noise is coming from the blend doors, have you tried turning the A/C off but leave the rest of the climate control running? If the noise goes away, it is likely that your system is low on gas.
Myself and a few others have experienced this and evacuating and re-gasing the system seems to be the cure. I thought my gearbox or engine was causing the whine and one day turned the climate control off to have a better listen then realised the noise stopped when I did it.
I also experienced a whistling noise more recently and eventually realised that my wife had closed the face vent on her side but left it open just enough to cause a whistle!
Myself and a few others have experienced this and evacuating and re-gasing the system seems to be the cure. I thought my gearbox or engine was causing the whine and one day turned the climate control off to have a better listen then realised the noise stopped when I did it.
I also experienced a whistling noise more recently and eventually realised that my wife had closed the face vent on her side but left it open just enough to cause a whistle!
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#8
I had something similar in my car and earlier this week I got it into my head that it may have been something to do with the power steering. Topping up made no difference, so then I decided to remove all the fluid from the reservoir with a syringe and replace it with new Mobil ATF fluid.
That solved the problem and my car no longer sounds like a washing machine on spin cycle.
That solved the problem and my car no longer sounds like a washing machine on spin cycle.
#9
I'm missing something here. Turbochargers "spool down" after shutoff because they are spun by exhaust gasses and freewheel when the exhaust stops. Superchargers are spun by a belt attached to the crank and stop when the crank stops. It must be something else causing the whine.
#10
I'm missing something here. Turbochargers "spool down" after shutoff because they are spun by exhaust gasses and freewheel when the exhaust stops. Superchargers are spun by a belt attached to the crank and stop when the crank stops. It must be something else causing the whine.
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