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#4724844 - 04/12/18 03:03 PM Oil filter gasket vs. valve cover gasket
camrydriver111 Offline


Registered: 07/01/14
Posts: 1488
Loc: Canada
Why is it that when you install a screw-on oil filter they tell you to lube the gasket with oil, and when you install a valve cover gasket they tell you the gasket surface has to be free from oil?
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#4724848 - 04/12/18 03:10 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
Trav Offline


Registered: 11/20/06
Posts: 18268
Loc: MA, Mittelfranken.de
Lubing the filter gasket makes it easier to unscrew later, on cartridge filer caps it allows easier seating of the cap .
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#4724849 - 04/12/18 03:12 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
mehullica Offline


Registered: 08/19/09
Posts: 536
Loc: Modesto,CA
Be use the filter seal needs oil to lube the seal as itís scrubbing against the oil filter sealing area while itís turning to be tightened.
The valve cover gasket doesnít need oil because it being tightened down in one direction

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#4724872 - 04/12/18 03:54 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
ammolab Offline


Registered: 01/16/06
Posts: 957
Loc: Ruidoso, NM USA
It has been my experience that sooner or later...valve cover gaskets oil themselves!
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#4724874 - 04/12/18 03:55 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
Chris142 Offline


Registered: 06/05/03
Posts: 16539
Loc: Deplorable in apple valley, ca
Because your not spinning the valvecover 3/4 turn after the seal contacts the base.
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#4725008 - 04/12/18 06:58 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
dlundblad Offline


Registered: 09/30/13
Posts: 9683
Loc: Indiana
Where is there more friction?

When a dog simply sits down or when he drags his butt across the floor?
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#4725058 - 04/12/18 07:52 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
camrydriver111 Offline


Registered: 07/01/14
Posts: 1488
Loc: Canada
Why does the valve cover need to be clean of oil if the filter seals with oil on it?

Lets say we don't need to apply any silicone when replacing it. Which they generally don't at the factory anyways.
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#4725157 - 04/12/18 09:01 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
toneydoc Offline


Registered: 12/16/11
Posts: 1675
Loc: War Eagle
That was funny dlundblad
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#4725162 - 04/12/18 09:05 PM Re: Oil filter gasket vs. valve cover gasket [Re: camrydriver111]
cjcride Offline


Registered: 11/06/09
Posts: 1794
Loc: Ontario Canada
Originally Posted By: camrydriver111
Why does the valve cover need to be clean of oil if the filter seals with oil on it?

Lets say we don't need to apply any silicone when replacing it. Which they generally don't at the factory anyways.
Oil filter is torqued somewhat tighter.

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