Nissan 370Z Forum - TT whistling after car shut down

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shadow85

04-22-2019 03:02 AM

I have exact same issue. When you pull dipstick the noise goes away, but will come back when place the dipstick back in.

Clogged pcv

ReflectingG0d

06-28-2019 12:34 AM

It's caused by the check valves, at least with the AAM kit. Mine does the same thing, kinda silly sounding.

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