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oil filter leak

A

Anonymous-0

Well-known Member
I am having trouble positioning the gasket on top of the oil filter housing on my 43n. Is this just me or can it be "glued" in place with some rtv?
 
make sure all the old gasket is out. clean with a razor blade.

all i've ever done to glue them n place is to put some stiff axle grease ont hem and press the gasket into it. don't worry about using too much. extra greease will either extrude to outside of cap to be wiped off.. or to insid ewhere it will disolve in the oil.

i use this to tack gaskets in place too.

i'm not a big fan of rtv. it does have a few uses though.
 
take it to part cleaner..
clean off all junk you add .. then let dry ..
then back to part cleaner again and a good wire brush the a toothbrush where the rubber go then let dry
then paint let dry.. then drain oil canister filter take it off and clean it out really good the clean two more then drain out then when dry paint then back to step one buy a new oil filter or new gasket then put new filter in and put cap on with gasket put on tight it down. it bitxxx hard sometime and that what i would do
 
Steve-
There are two gaskets on the N oil filter. One under the clamping bolt head and the other is a large rubber one under the cap itself. The small bolt gasket is a hard fibre type and can be bought at any CNH Dealer. Ask for part number 01A-6749. Don't try a steel washer as it won't work. Ten or twelve years ago you would get one in a new oil filter element kit, but they no longer include it. Often times they wear out after many oil changes and will leak. The large Rubber Gasket is usually included in a new filter kit. Some brands won't have it. Get a FRAM CP3 or one from your CNH Dealer to be sure. There is a cheaper FRAM model, CP but it has no little steel handle to help removing when needed. As Soundguy said, be sure all surfaces are clean and free of old gasket material before installing the new one. Take a dab of clean oil on your finger and smear all over the new large rubber gasket before installing.

Tim Daley(MI)
 
i don't believe it is an issue of improper fit. the gaskets in a c3p 'fit' perfectly.

it's just making them defiy gravity and stay in the top of the cap while you slip it on that the grease helps with.

i've used the more spendy napa 1010 and it's rubber gasket fits no better than the 4$ fram filter. mind you this has been a couple years as i have not use dmy 8n since 09, thus it has not been serviced since then.
 
I was unaware that there was supposed to be a fiber gasket under the bolt...I believe mine has a copper washer.
 
copper might seal.. might not. depends on condition of stem bolt face and cover top face.

fibre will seal for sure.

don't buy one. cut one out of thick gasket paper or a shoe box.. cerial box.. etc. all i've ever done once they stopped giving them out in filter kits.

same with drain bung gaskets. etc..
 
No sealer needed, and it"s likely not gasket positioning that is resulting in the leak.

Verify that the canister top is fully down onto the canister as you tighten the cover bolt.

Dean
 
Some aftermarket washers were copper. They'll work for a while but after a few oil changes will leak. As Dean said do not use any Permatex or like product. You don't say where your leak is coming from. If it is the top bolt, get or make a new washer. If it is the outside perimeter of the top lid, find out why and fix. As I said below, put a dab of oil on your finger and smear the rubber gasket all over. This will help hold it in place when installing top lid. sometimes guys don't know thee is a large gasket under the lid and if they put a new one on, it doesn't seal good and it'll leak...
 
I read your question as the leak is around the lid on top of the filter housing. If this is the case, make sure the cap gasket seat if clean as well as the top of the filter housing. Place the lid on top and only snug the top bolt. Crank your engine and look for the leak. If leaking, rotate the top slightly and thighten slightly. Once you have sealed the top and no more leaks tighten a little more. That should do it.
 
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