Re: CCV and PCV
One works and the other doesn't. Convert to PCV:
http://home.sprynet.com/~dale02/aircl.htm#pcv It's should have been done on recall, as the solenoid failed and the orifice clogged, and blew oil into the air filter box. God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ "stilllearning" <shahswim@yahoo.com> wrote in message news:1179112126.837803.263870@e51g2000hsg.googlegr oups.com... > What is the difference between Closed Crankshaft Ventilation (on Jeep > Grand Cherokees 4.0L) and Positive Crankshaft Ventilation (On 4.7L)? > Is CCV simply a vacuum based system sucking out Crankshaft gases, > while PCV has a valve to ensure no reverse vacuums due to backfires? > What are the pros and cons of both? > > If these questions are not meant for this groups, please suggest where > I can ask such questions. I am a Jeep Grand Cherokee 2004 limited 4.0L > owner learning the engine internals - just for kicks and maybe to do > self-maintenance. > > Thank you. > -- Posted via a free Usenet account from http://www.teranews.com |
Re: CCV and PCV
One works and the other doesn't. Convert to PCV:
http://home.sprynet.com/~dale02/aircl.htm#pcv It's should have been done on recall, as the solenoid failed and the orifice clogged, and blew oil into the air filter box. God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ "stilllearning" <shahswim@yahoo.com> wrote in message news:1179112126.837803.263870@e51g2000hsg.googlegr oups.com... > What is the difference between Closed Crankshaft Ventilation (on Jeep > Grand Cherokees 4.0L) and Positive Crankshaft Ventilation (On 4.7L)? > Is CCV simply a vacuum based system sucking out Crankshaft gases, > while PCV has a valve to ensure no reverse vacuums due to backfires? > What are the pros and cons of both? > > If these questions are not meant for this groups, please suggest where > I can ask such questions. I am a Jeep Grand Cherokee 2004 limited 4.0L > owner learning the engine internals - just for kicks and maybe to do > self-maintenance. > > Thank you. > -- Posted via a free Usenet account from http://www.teranews.com |
Re: CCV and PCV
One works and the other doesn't. Convert to PCV:
http://home.sprynet.com/~dale02/aircl.htm#pcv It's should have been done on recall, as the solenoid failed and the orifice clogged, and blew oil into the air filter box. God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ "stilllearning" <shahswim@yahoo.com> wrote in message news:1179112126.837803.263870@e51g2000hsg.googlegr oups.com... > What is the difference between Closed Crankshaft Ventilation (on Jeep > Grand Cherokees 4.0L) and Positive Crankshaft Ventilation (On 4.7L)? > Is CCV simply a vacuum based system sucking out Crankshaft gases, > while PCV has a valve to ensure no reverse vacuums due to backfires? > What are the pros and cons of both? > > If these questions are not meant for this groups, please suggest where > I can ask such questions. I am a Jeep Grand Cherokee 2004 limited 4.0L > owner learning the engine internals - just for kicks and maybe to do > self-maintenance. > > Thank you. > -- Posted via a free Usenet account from http://www.teranews.com |
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