[dgeesaman]

Originally Posted by NousDefions

I'm a new guy too, but even a cursory read of the stickies in this forum will reveal that many, MANY threads have already been written (and are currently on-going) on this very subject.

FOCUS: I've been running the maintenance gambit (cleaning throttle body and IAC valve, flushing fluids, oil, etc) and have noticed more a more a fairly pronounced noise eminating from the left side of my engine (where the belts reside). An accurate description would be: "WOOOOOOOOOOO", semi-loud, and varying in pitch with RPM.

My first instinct is that it is a loose belt, but it sounds too consistent. Could it be a loose pulley, or does it sound like something more sinister?

Thanks in advance for any help.

Take the belts off and see if any pulleys have any wiggle. Make sure the idler pulley center bolt is torqued down too. That howling sounds a bit like a worn pulley bearing.

Dave