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Oil dipstick pop out and vacuum hose coming off

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Old 10-25-17, 09:12 PM
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Undercover

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Oil dipstick pop out and vacuum hose coming off
So when I start the car, sometimes I will hear a loud pop sound and it dies. When I check i saw my dip stick pop out and the vacuum hose connected to the BAC valve came off. It doesn't happen all the time, but when I hear the pop sound when im starting the car I know that the vacuum hose got disconnected again.

Car is a S4 N/A
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Old 10-27-17, 09:42 PM
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do you have all your crankcase ports plugged off perhaps?
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Old 11-02-17, 12:09 PM
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You're building pressure in the crank case for sure, not a good sign. Something is connected or disconnected improperly at a minimum.
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