Oil Pumps?
01-18-2005, 02:46 PM
#11
Guest
Posts: n/a
Re: Oil Pumps?
In order to have a vacuum in there at times it still has to be a
pressure chamber. Negative pressure and positive pressure both need a
basically sealed container.
Mike
"L.W.(ßill) ------ III" wrote:
>
> Hi Mike,
> If the Positive Crankcase Ventilation valve is working as designed
> and not overwhelm by blow-by of a worn out rings, then there will be a
> vacuum. And is easily felt by closing off the other vent tube to the air
> cleaner box with your thumb.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike Romain wrote:
> >
> > That would sure be my guess as well, but the valve cover is indeed
> > pressurized Jeff. More so on the FI engines, but even on the CJ's.
> > Anything with a PCV or CCV system is a pressure system.
> >
> > Some FI engines even die or chug bad if the oil cap is opened or the dip
> > stick isn't in tight.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
pressure chamber. Negative pressure and positive pressure both need a
basically sealed container.
Mike
"L.W.(ßill) ------ III" wrote:
>
> Hi Mike,
> If the Positive Crankcase Ventilation valve is working as designed
> and not overwhelm by blow-by of a worn out rings, then there will be a
> vacuum. And is easily felt by closing off the other vent tube to the air
> cleaner box with your thumb.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike Romain wrote:
> >
> > That would sure be my guess as well, but the valve cover is indeed
> > pressurized Jeff. More so on the FI engines, but even on the CJ's.
> > Anything with a PCV or CCV system is a pressure system.
> >
> > Some FI engines even die or chug bad if the oil cap is opened or the dip
> > stick isn't in tight.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
01-18-2005, 02:46 PM
#12
Guest
Posts: n/a
Re: Oil Pumps?
In order to have a vacuum in there at times it still has to be a
pressure chamber. Negative pressure and positive pressure both need a
basically sealed container.
Mike
"L.W.(ßill) ------ III" wrote:
>
> Hi Mike,
> If the Positive Crankcase Ventilation valve is working as designed
> and not overwhelm by blow-by of a worn out rings, then there will be a
> vacuum. And is easily felt by closing off the other vent tube to the air
> cleaner box with your thumb.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike Romain wrote:
> >
> > That would sure be my guess as well, but the valve cover is indeed
> > pressurized Jeff. More so on the FI engines, but even on the CJ's.
> > Anything with a PCV or CCV system is a pressure system.
> >
> > Some FI engines even die or chug bad if the oil cap is opened or the dip
> > stick isn't in tight.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
pressure chamber. Negative pressure and positive pressure both need a
basically sealed container.
Mike
"L.W.(ßill) ------ III" wrote:
>
> Hi Mike,
> If the Positive Crankcase Ventilation valve is working as designed
> and not overwhelm by blow-by of a worn out rings, then there will be a
> vacuum. And is easily felt by closing off the other vent tube to the air
> cleaner box with your thumb.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike Romain wrote:
> >
> > That would sure be my guess as well, but the valve cover is indeed
> > pressurized Jeff. More so on the FI engines, but even on the CJ's.
> > Anything with a PCV or CCV system is a pressure system.
> >
> > Some FI engines even die or chug bad if the oil cap is opened or the dip
> > stick isn't in tight.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
01-18-2005, 02:46 PM
#13
Guest
Posts: n/a
Re: Oil Pumps?
In order to have a vacuum in there at times it still has to be a
pressure chamber. Negative pressure and positive pressure both need a
basically sealed container.
Mike
"L.W.(ßill) ------ III" wrote:
>
> Hi Mike,
> If the Positive Crankcase Ventilation valve is working as designed
> and not overwhelm by blow-by of a worn out rings, then there will be a
> vacuum. And is easily felt by closing off the other vent tube to the air
> cleaner box with your thumb.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike Romain wrote:
> >
> > That would sure be my guess as well, but the valve cover is indeed
> > pressurized Jeff. More so on the FI engines, but even on the CJ's.
> > Anything with a PCV or CCV system is a pressure system.
> >
> > Some FI engines even die or chug bad if the oil cap is opened or the dip
> > stick isn't in tight.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
pressure chamber. Negative pressure and positive pressure both need a
basically sealed container.
Mike
"L.W.(ßill) ------ III" wrote:
>
> Hi Mike,
> If the Positive Crankcase Ventilation valve is working as designed
> and not overwhelm by blow-by of a worn out rings, then there will be a
> vacuum. And is easily felt by closing off the other vent tube to the air
> cleaner box with your thumb.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike Romain wrote:
> >
> > That would sure be my guess as well, but the valve cover is indeed
> > pressurized Jeff. More so on the FI engines, but even on the CJ's.
> > Anything with a PCV or CCV system is a pressure system.
> >
> > Some FI engines even die or chug bad if the oil cap is opened or the dip
> > stick isn't in tight.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
01-18-2005, 03:17 PM
#14
Guest
Posts: n/a
Re: Oil Pumps?
Yes, everything must be sealed.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> In order to have a vacuum in there at times it still has to be a
> pressure chamber. Negative pressure and positive pressure both need a
> basically sealed container.
>
> Mike
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> In order to have a vacuum in there at times it still has to be a
> pressure chamber. Negative pressure and positive pressure both need a
> basically sealed container.
>
> Mike
01-18-2005, 03:17 PM
#15
Guest
Posts: n/a
Re: Oil Pumps?
Yes, everything must be sealed.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> In order to have a vacuum in there at times it still has to be a
> pressure chamber. Negative pressure and positive pressure both need a
> basically sealed container.
>
> Mike
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> In order to have a vacuum in there at times it still has to be a
> pressure chamber. Negative pressure and positive pressure both need a
> basically sealed container.
>
> Mike
01-18-2005, 03:17 PM
#16
Guest
Posts: n/a
Re: Oil Pumps?
Yes, everything must be sealed.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> In order to have a vacuum in there at times it still has to be a
> pressure chamber. Negative pressure and positive pressure both need a
> basically sealed container.
>
> Mike
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> In order to have a vacuum in there at times it still has to be a
> pressure chamber. Negative pressure and positive pressure both need a
> basically sealed container.
>
> Mike
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