Re: RE: Valve cover vent questions

From: Josh Battles (jbattles@bankfinancial.com)
Date: Tue Jun 08 2004 - 09:37:50 EDT


The tube that connects to the air hat is the one in question here. It's on
the passenger side of my truck as well, and I'm planning to put a breather
in there once I go buy one and put the new airhat on. The one connected to
the intake manifold is probably the PCV, and I'd leave it alone.

-- 
- Josh
Lowered 2000 Dakota CC 3.9L
www.geocities.com/lenny187/dakota.html
www.omg-stfu.com

""Valentin Garcia"" <valentingar@msn.com> wrote in message news:BAY4-F300nbstrgi3k30005c8ad@hotmail.com... > > Exactly.... um right. Sorry still not sure what to do. By the way, on my > engine, the vent tube that is connected to the intake manifold is on the > drivers side, and the vent tube that is connected to the airhat is on the > passenger side. I assume that only one can have a K&N style breather, that > being the one connected to the airhat...yes? > > How did you set yours up Bernd? Do you have any pics of your engine bay? > > > Val Garcia > Houston TX > 2K2 SXT RegCab 3.9L V6 > Graphite Metallic > > Flowmaster Deltaflow 40 series > Intense Performance Stage II Intake > > > Bernd wrote: > Remember, the airhat is under vacuum when running - it works both ways - at > engine-off, the gases also will move into the airhat. PCV does most of the > work though. > > - Bernd > > > Bob Tom wrote: > That's not quite my understanding on how this system works. The pcv valve on > the pass. side valve cover is "the vacuum source" for the crankcase > ventilation system in that vacuum in the intake manifold determines when the > valve opens and closes. The valve, itself, is the metering device. > The hose that runs from the driver's side "breather" to the air filter > casing is the "filtered air source". Clean air is pulled from the filtered > side of the air filter housing through crankcase and then up through the PCV > valve and then into the intake manifold for burning as the engine runs. > > If there is any difference in changing from the stock hose connection to the > air filter box to a push-in "breather" on the valve cover (e.g. a K&N > breather), it is only in the quality of the filtered air source. Naturally, > a poor filter or filter seal will contaminate your engine oil directly. > > If there's any failure or clogging at either end of the system (pcv valve or > breather), it can cause heavy engine sludging, poor engine performance and > stalling. > > Bob > > > Bernd wrote: > The vent tube it to allow excess oil vapor (which the PCV hasn't take care > of) and "re-burn" it with -fresh air - part of emissions. > > - Bernd > > > -----Original Message----- > Also with my new airhat on the way, I am debating on whether or not to put a > breather on the valve cover or plumb the hose back to the airhat (it's stock > location). Suggestions? Pros or cons? While on the subject, what is the > purpose of the vent hose? TIA! > > Val Garcia > >



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