Weird "straining" noise coming from engine...

XsithX

SCCoA Member
I keep hearing this weird noise that sounds like a low "whine" coming from the engine compartment. It happens when I do one of two things: First, If I'm going like 40mph in 5th gear and I try to accelerate, the RPM's stand still for a second while the boost is up at around 5 PSI. Then, the boost will slowly drop as the RPM level increases and the car will start to accelerate. Second, I hear it when I go WOT from a stop. I'll get plenty of power from 1st gear, but when I slowly shift into 2nd and then go WOT again, it'll do the same thing as listed above (make a whining noise like something is straining). While makeing this noise, the car won't accelerate quickly until the boost drops.

It's kind of hard to explain in text, but I tried. If anyone would like any clarification, I'd be more than willing to answer.

Thanks.
 
Except for the power loss it sound just like when my idler pully bearing went out. there seemed to be a couple of sweet spots that it really whined at.
 
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