whistle

Hello all, frequent reader but first time posting. Thank you all for making this such an awesome place to come for advice. I replaced my valve cover, and also the PCV valve tube (accidentally broke it during valve cover change). During my test drive, I immediately noticed a new whistle noise...

Hi, new to the forum and the cruze. Just wondering what I can do to increase my turbo whistle/bov. I've done the resonator delete and K&N panel filter to no avail. It seems to have gotten less noticeable with the mods than it was on my test drive. Thoughts? Sent from my SM-G935V using Tapatalk

2012 ECO, AT, 86k miles, well maintained. 1K miles ago my engine started whistling immediately after starting cold, then as engine rpm's come down to normal (800 or so) the whistling stops. I can't pinpoint location but seems to be from behind or below the aluminum heat shield over exhaust...

So i painted my brake calipers todAY and all the other rusty components behind the wheel. Did the calipers silver with duplicolor and the other parts flat black rustoleum. Anyhow i take my car to the back of my neighborhood with a bunch of empty spots space to paint and work. Jack the car up...

I just noticed yesterday that when my AC is on 4 or 5 there is a really high pitch whistle. On 6 you cant really hear it b/c the air is blowing out so loud like a jet engine lol. On 1 2 and 3 it doesnt make the sound at all. ANyone else had this issue or know what this is? One thing after another :(

Here is a link to an audio/video https://www.youtube.com/watch?v=1Rwt2wO3c0Q&feature=youtu.be. This video is dark and meant to be more audio as I was searching for the source of the noise.The reason, an engine noise that recently devoloped at about 204k miles. The noise sounds simliar to a...

so i installed cold air intake and new aluminum piping all around and greddy bov. since i installed the bov when im driving and boosting i hear a whistle sound. never did that before but with new bov its making whistle sound from intake side. anyone know what this could be?