Strange Noise when the RPMS jump.

[Vortech347]

For a few months its been doing this....

When I floor it or Rev the car up then back off the throttle there is a loud sound that slows down AFTER the rpms drop. Like something that got spun up with RPM is still slowing down after the car is back to idle.

I know its a stupid discription but hopefully someone knows what I mean. It almost sounds like an electric motor. I know its not the power steering or Alternator. They don't "free spin"

[Egon Spengler]

I have the same thing... It is a winding sound almost like a turbo winding down or something... I would like to know what it is as well... never got under the hood to investigate, but I saw the thread and would like to know as well... DO TELL!

[Zack]

Its the alternator, and its louder when its cold outside.
Its clutched and freewheels during and shortly after going WOT.

[Vortech347]

Exactly it sounds like a blower spinning down.

So its the DR tune turning off the Alty? It does it at all temps.

[FormulaMarauder]

I just did a nice smoky burnout in 40* weather today and I heard it for the first time too!! Was curious what it was even though I wasn't too concerned. Good to know, you guys are great............

[teamrope]

Its the alternator, and its louder when its cold outside.
Its clutched and freewheels during and shortly after going WOT.

The First time I heard that noise was the 1st time I hit the water box... It never bothered me, I wasn't sure what it was.... I thought it might be the TC spooling down. I guess you learn something every day. :)

[offroadkarter]

Ive heard that noise to, i think its normal and nothing to really worry about

[SID210SA]

I heard that noise for the first time after getting my tune when I went to the track....I immediately called Wes and he told me that it was the alt.....it does that at WOT. I was so relieved.