Weird Noise. Suggestions?
KA24DE, pretty much stock
Weird noise that sounds like a turbo setup without a bov but more mutilated when I shift gears at high 3k low 4k rpm.
Thought it was a throwout bearing (maybe it is?) but I can make the noise come up by just revving it to those rpm levels and it'll slowly (2-3 seconds) fade away during deceleration.
If I make the noise while driving, i can make the noise die quicker by braking.
Vacuum lines? I had a friend listen under the hood and it seems to be from the middle of the firewall. Not exactly sure where though..
Anyone got suggestions?
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