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BMW 3-Series (E90 E92) Forum
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Is this what a bad pcv sounds like?
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12-22-2019, 04:48 PM | #1 |
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So I just replaced my valve cover with an aftermarket unit (URO). Had a VCG leak and figured I should replace the cover itself due to all the reports of N55 PCV failure around 60k miles.
Installation went fine. Car runs good. Test drive around the block was perfect. Hopped in the next morning to go somewhere and now it sounds like there?s a whinny kitten under the hood every time I come to a stop. It seems to go away after 5-10 sec. No noise at idle. Did replacing the cover end up causing the exact issue I was trying to avoid? ? Here?s a video of the lovely sound: https://drive.google.com/file/d/1VB5...w?usp=drivesdk |
12-22-2019, 04:53 PM | #2 |
Second Lieutenant
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Sorry to say it, but that is exactly what mine sounded like. You can remove your oil filler cap and will likely have a ton of suction and the screeching will quit.
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12-22-2019, 05:13 PM | #3 |
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12-22-2019, 06:21 PM | #4 |
First Lieutenant
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You got a catch can so it's odd that your pcv system fails
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12-22-2019, 08:06 PM | #5 |
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12-24-2019, 10:24 AM | #6 |
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The my car must be an anomaly because I installed a catch can and all my pcv issues went away
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12-24-2019, 01:36 PM | #8 | |
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Quote:
One thing I noticed is it doesnt make the sound until the car is fully warmed up. Driving around before the oil is up to temp is perfectly normal. |
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12-24-2019, 03:17 PM | #9 |
Colonel
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For future reference, Uro makes dog shit quality parts. I would go with OEM personally.
Mike is squealing now at 55k miles. Haven't replaced the valve cover yet, but I have an oem unit in the garage ready to go in. |
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01-06-2020, 03:52 PM | #11 | |
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Guess I learned the hard way this time. |
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