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 Lucky Phil
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| posted on December 7th, 2012 at 10:10 AM |
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Sealant on oil screen gaskets?
Do you use sealant on the oil screen gaskets?.
There seems to be two schools of thought.
One option is to fit them without, because of problems removing them next time, and the cleanup is a PITA.
They can also be reused if fitted without sealant, but the good book says a new gasket and washers should be used every time anyway.
The downside of no sealant is that they invariably leak.
I tried a new sump plate but it was rather flimsy and it leaked worse.
So I gooped it up plenty with Permatex 3H sealant and no oil is leaking at all.
This is the way I like it, although there are those who will argue that this is unnatural!
I am looking forward to your thoughts.
Phil.
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vwo60
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| posted on December 7th, 2012 at 10:44 AM |
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Gaskets are one use only as they compress when you do them up, the next issue is with the migration of oil through the gasket itself, the edge is
exposed to the oil so you can try and paint your sealant on the inside edge, this should seal the inside edge and probably slow down the oil seaping
through the gasket, i purchased a jaycee sump plate from pierside parts for $39.00 that is oringed around the stud holes and around the circumfrence,
not a leak. all the other aluminium sump plates still rely on the gaskets to seal,
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68AutoBug
A.k.a.: Lee Noonan
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| posted on December 7th, 2012 at 11:15 AM |
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| Quote: | Originally
posted by Lucky Phil
Do you use sealant on the oil screen gaskets?.
There seems to be two schools of thought.
One option is to fit them without, because of problems removing them next time, and the cleanup is a PITA.
They can also be reused if fitted without sealant, but the good book says a new gasket and washers should be used every time anyway.
The downside of no sealant is that they invariably leak.
I tried a new sump plate but it was rather flimsy and it leaked worse.
So I gooped it up plenty with Permatex 3H sealant and no oil is leaking at all.
This is the way I like it, although there are those who will argue that this is unnatural!
I am looking forward to your thoughts.
Phil.
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Hi
I always use non hardening permatex gasket cement on the gaskets making sure its around the threads too..
I have never ever had an oil leak from the gasket but from the threads,,
I always use a new oil change gasket kit with new copper washers too.. and the original type cap nuts..
sometimes they seal, sometimes they don't lol
I'm using an aluminium extra sump which cannot bend etc..
the non hardening cement isn;t too bad to take off..
I think most of it sticks to the old gasket..
cheers
LEE
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Lucky Phil
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| posted on December 7th, 2012 at 11:20 AM |
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| Quote: | Originally
posted by vwo60
Gaskets are one use only as they compress when you do them up, the next issue is with the migration of oil through the gasket itself, the edge is
exposed to the oil so you can try and paint your sealant on the inside edge, this should seal the inside edge and probably slow down the oil seaping
through the gasket, i purchased a jaycee sump plate from pierside parts for $39.00 that is oringed around the stud holes and around the circumfrence,
not a leak. all the other aluminium sump plates still rely on the gaskets to seal,
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I like that! I want one!
Interesting take on the migration through the gasket. Food for thought.
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Lucky Phil
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| posted on December 7th, 2012 at 11:34 AM |
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You have a point, Lee, about the oil leaking through the threads.
Come to think of it, the problems I have experienced have usually been on engines with studs that either come out instead
of staying put, or have been replaced with bolts.
So if these threads are flogged out (most likely) then the oil is going to travel down them.
Can only make things worse.
Loctite may be the answer.
Trying to clean up the threads and loctite them in is going to be near impossible with the engine in.
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 matberry
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| posted on December 7th, 2012 at 12:06 PM |
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Loctite the studs for sure, and use factory nuts that cover the stud. Saying that, I don't use sealer and inevitably they leak, but the cleanup is
def a pita if sealer is used.
Shayne's option is the best with the JayCee O-ringed plate
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BRUTUS
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| posted on December 7th, 2012 at 10:55 PM |
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We almost never have leaks, at the plate anyway, often using only a light even smear of H.T. (non-melting) wheel bearing grease on the gaskets, also a
little on the stud threads.
ACE 30 & 40 oils: specifically engineered for your Air Cooled VW
delivered (free del.) throughout Yarra Valley / Ranges, & Gippsland areas. Also ACE 20, 50 & 90.
FOR SALE: ACE 30, 40 etc. Oil formulations & Trade-names.
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mactaylor
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| posted on December 8th, 2012 at 06:00 AM |
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and make sure your plate is flat most of them have had a bump or 2!
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HappyDaze
A.k.a.: Greg Mackie
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| posted on December 8th, 2012 at 06:38 AM |
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The plate will often have 'bumps', where the nuts have pushed up around the holes - usually from over-tightening. You can tap these down flat with a
hammer [carefully], and make sure the nuts are not over-tightened, and do what BRUTUS says ^.
I'd rather wear a Beetle out by racing it than by polishing it!
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 vw54
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| posted on December 8th, 2012 at 07:11 AM |
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yep tap the plate flat and dont use any sealer
make sure you use the acorn nuts with the copper gaskets as well
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vwo60
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| posted on December 8th, 2012 at 07:35 AM |
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Even with the jaycee plate you will still need to use the copper washers on the studs as the oil will still migrate down the stud.
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psimitar
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| posted on December 9th, 2012 at 05:55 PM |
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I clean out the stud threads with degreaser and cotton buds and the studs themselves and then use a fluid barrier loctite on the threads.
Then I make up the gaskets from thicker gasket material or even a corn flakes packet will work well.
Never had a leak after this as the thicker gasket has more gap filling ability than the normal thin paper ones 
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waveman1500
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| posted on December 9th, 2012 at 06:42 PM |
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I never use sealant and mine doesn't leak. Use good quality gasket sets with the copper washers and a nice flat original steel sump plate and you
should be fine. I can even get away with reusing the gaskets once or twice and still have no leaks. I have at least two or three helicoiled sump plate
studs, so the case isn't immaculate either. I smear engine oil on my gaskets during assembly, rather than grease.
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