12-08-2016, 10:18 AM
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#1
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1999 base
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,617
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Spin on oil filter leak.
Hello guys.
during one of the oil changes, i noticed a bit of wetness around the oil filter.
cleaned it up, and noticed that the filter itself is not tight. (i could unscrew it by hand).
usually when i change filter, i first fill it up with oil, put some oil on the top seal, and screw it in place. i tighten by hand, and give it another quarter of a turn.
worked perfect like that for years with no issue.
last oil change, i repeated the process, but this time i have tighten it a bit more.
last night (500 miles after last oil change) i noticed the same thing. the oil filter is loose 
anyone has a clue whats going on?
few additional details:
spin on LN adaptor was not new. so i ordered new O-Rings for it, that im going to install next oil change.
oil filter i'm using is Wix 51042.
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12-08-2016, 10:28 AM
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#2
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,144
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I too got a used previous model spin on adapter (that has a tool with a socket for tightening instead of an integral socket) and used Wix 51042 for the last few years, so maybe 5-6 oil changes, I have never had that but I think I go more like a half turn or more after the gasket makes contact (firmly tight by hand but not as tight as I could possibly get it, although probably close) I got 2 new o-rings for the adapter when I installed it and it has never leaked or loosened for me. I can remove the oil filter by hand but it is pretty hard to get it started.
So none of this is probably useful to you  but it is my experiences...
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12-08-2016, 11:34 AM
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#3
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,550
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Quote:
Originally Posted by Meir
Hello guys.
during one of the oil changes, i noticed a bit of wetness around the oil filter.
cleaned it up, and noticed that the filter itself is not tight. (i could unscrew it by hand).
usually when i change filter, i first fill it up with oil, put some oil on the top seal, and screw it in place. i tighten by hand, and give it another quarter of a turn.
worked perfect like that for years with no issue.
last oil change, i repeated the process, but this time i have tighten it a bit more.
last night (500 miles after last oil change) i noticed the same thing. the oil filter is loose
anyone has a clue whats going on?
few additional details:
spin on LN adaptor was not new. so i ordered new O-Rings for it, that im going to install next oil change.
oil filter i'm using is Wix 51042. |
After filling the filter with oil, lightly oil the filter's gasket, then screw on hand tight, plus 1/2 turn with a cup style filter wrench. It won't come loose, and it will not leak.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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12-08-2016, 11:36 AM
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#4
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Registered User
Join Date: May 2014
Location: S.California
Posts: 2,029
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Make sure it really is the filter gasket leaking.
Could it be that the gasket between the adapter/base and the cranckcase is leaking - above the filter ?
There are some very specific Instructions from LN to avoid this.
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12-08-2016, 01:04 PM
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#5
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Registered User
Join Date: Dec 2008
Location: Queensland, Australia
Posts: 1,522
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Reading Meir's first post he says that the filter was loose, not the adapter.
I have noticed the same looseness on my filter on my last oil change, but using the Bosch spin on filter I got from Pelican.
Because I'm old and weak, I usually tighten the filter housing by hand as tight as I can, but after finding the loose filter, I now use my torque wrench.
The last thing I need in life is a self ejecting filter!
__________________
2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
Last edited by Steve Tinker; 12-08-2016 at 01:07 PM.
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12-08-2016, 01:32 PM
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#6
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,550
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Quote:
Originally Posted by Steve Tinker
Reading Meir's first post he says that the filter was loose, not the adapter.
I have noticed the same looseness on my filter on my last oil change, but using the Bosch spin on filter I got from Pelican.
Because I'm old and weak, I usually tighten the filter housing by hand as tight as I can, but after finding the loose filter, I now use my torque wrench.
The last thing I need in life is a self ejecting filter!
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You don't need to torque a spin on filter; hand tight, then 1/2 turn more, that's all that is necessary. we probably do 50-75 cars this way every week in season, and am yet to have a filter leak, come loose, or fall off.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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12-08-2016, 01:52 PM
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#7
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1999 base
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,617
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guys thank you all for the replies.
i was a bit puzzled because i was doing the same procedure for the past 6 years with no issue. so i guess i'm becoming weak and old just like steve  .
i will take JFP advice and will give it another half a turn with the cup and a wrench.
thanks again.
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12-08-2016, 06:12 PM
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#8
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Project Addicted
Join Date: Aug 2015
Location: Eastern Shore, MD
Posts: 623
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Make 100% certain that an old rubber gasket isn't stuck up there on the adaptor. This happens and will cause the leak.
__________________
______
Jon
1966 912, 1976 911
1986 944, 2000 Boxster
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12-08-2016, 07:05 PM
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#9
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,144
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Quote:
Originally Posted by Meir
. so i guess i'm becoming weak and old just like steve .. |
Old guy problems at least we are on the right side up
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12-09-2016, 02:36 AM
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#10
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Registered User
Join Date: Sep 2010
Location: Foster City CA
Posts: 1,099
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Hi Meir:
I know you said the filter was loose, but are you 100% sure its the filter that's leaking and not the adapter itself. A deteriorating or pinched o-ring can lead to a adapter leak.
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12-09-2016, 07:41 PM
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#11
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1999 base
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,617
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Quote:
Originally Posted by jcslocum
Make 100% certain that an old rubber gasket isn't stuck up there on the adaptor. This happens and will cause the leak.
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Good point. I will look at that.
Quote:
Originally Posted by thom4782
Hi Meir:
I know you said the filter was loose, but are you 100% sure its the filter that's leaking and not the adapter itself. A deteriorating or pinched o-ring can lead to a adapter leak.
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That was my first assumption, so I ordered new seals from LN.
Also a chance to tanks the guys at LN for shipping the o-rings at no cost at all.
So new seals going on regardless, but I always needed the cup to remove the filter.
Never by hand.
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