RESOLVED - Bmw 330i e92 n53 whisle noise. Strong vacuum
Автор: NotAnAIForNow
Загружено: 2016-10-31
Просмотров: 31891
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Update 24/11: Hi, i've ordered a new membrane on ebay: http://www.ebay.fr/itm/252425686200?_...
followed the tutorial here (didn't need to take the crankcase cover off the car) : http://bersa-tools.ru/page/zamena-mem...
Everything works fine now !
Very strange issue.
My E92 330i (N53) is making a strange whistle noise when idle, which is quite unstable (yoyo style) otherwise the car is working fine during accelerations (from low to 7000tpm).
As you can see, the oil cap is really hard to pull on idle in warm condition (it does the same sometime on cold engine). The vacuum is really strong and you can hear the air being aspirating non-stop by the valve on top of the crankbox. When i block the valves air entry, i can still hear a high pitched whislte but can't tell where it's coming from...
I've recently replaced all the sparks, and 1 coil that wasn't looking good.
Since the whistle noise appeared a week ago, i've got various codes for lean condition and nox sensor issue.
I believe my issue is coming from the big round seal insite the valve. I'll open it next week-end.
What do you think ?
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