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oil cap


TayCo 7s

Well-Known Member
Joined
Aug 17, 2007
Messages
157
Age
36
City
Ensenada, Baja, Mexico!!
Vehicle Year
1989
Transmission
Manual
hey is it normal if i take the oil cap off when the truck is running and theres air coming out , you can put your hand on it and feel some pressure
 
to an extent, yes. if its excessive, you might have some PCV system or crank vent issues, or excessive blowby.
 

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