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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Mon Oct 20, 2014 6:47 pm Post subject: M38 52' oil canister maintanence? |
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I have owned my restored 52' m38 for a year. Can someone lead me to a previous thread on how or what to do with the canister? I guess that is the oil filter? Thanks _________________ 1952 M38 |
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Jim Member
Joined: Apr 14, 2005 Posts: 196 Location: Van Buren, Arkansas
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Posted: Mon Oct 20, 2014 7:10 pm Post subject: |
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First, get the M38 Manual, available free herein for
downloading. Second, get lots of paper towels and
rubber gloves. Third, get an oil change receptical.
Fourth, follow the manual's directions. That should
do it.
PS: Quick Lube places probably don't have a clue.
Jim in Darkest Arkansas |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Tue Oct 21, 2014 8:39 am Post subject: |
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Cuno _________________ 1952 M38 |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Tue Oct 21, 2014 9:31 am Post subject: |
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awesome! thanks so much. will follow to a tee
Now that i am looking, i think mine is a fram?
_________________ 1952 M38 |
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Tue Oct 21, 2014 9:53 am Post subject: |
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So i identified the oil filter wrong... i thought the pan was the oil filter. So i need to clean the oil pan and address the oil filter _________________ 1952 M38 |
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Tue Oct 21, 2014 10:58 am Post subject: |
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Just took oil filter top off and my element is dry as a bone. it appears it is not working and has been rerouted? i guess the pan cannister is oil filter.. i am trying to find the owner who i bought it from and call him _________________ 1952 M38 |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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Posted: Tue Oct 21, 2014 11:12 am Post subject: |
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What "pan cannister". The oil pan is only an oil pan. Nothing else. Post a photo of your "Pan Cannister".
Check the two hoses from the oil filter to the block and make sure they are not plugged up. One attaches to the front engine timing cover and the other to a fitting hiding behind the fuel pump. Disconnect the hoses and blow through them. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Tue Oct 21, 2014 1:50 pm Post subject: |
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Ok heres the deal or situation. i finally figured out difference from Oil bath Air Filter and the Oil Filter. Ha!
Called the guy that restored it 30 years ago and he bypassed the OIL FILTER!!!!....he said all the stock filter system does is or does starve the 1st plug/cylinder. He told me with light use just change the oil every year with 30 weight. _________________ 1952 M38 |
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M606BR Member
Joined: Dec 09, 2013 Posts: 30 Location: Rio de Janeiro, Brazil
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Posted: Tue Oct 21, 2014 3:53 pm Post subject: |
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Just to complement information regarding Cuno-type filter maintenance procedure:
According to the supplement to the TM 9-8012 from January 1958, there is a change to be done to page 63, table II, lines 6 and 7, as follows:
"On Cuno-type filter, turn the handle four to five complete turns." (after operation) _________________ Luiz Felipe Santos
1952 M38
1965 M606 |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Tue Oct 21, 2014 7:56 pm Post subject: |
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Wesk , he was instructed to do this by willys overland factory. He restored this jeep in their plant on weekends using their tools and manuals and it seems personnel since his buddy worked in there.
So I guess I need to find out what nozzles diameter I have? If I have the big nozzle then I need to reduce them per you _________________ 1952 M38 |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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Posted: Tue Oct 21, 2014 8:23 pm Post subject: |
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Interesting old tale. Having worked in a factory or two I can say I can't imagine Willys factory security allowing a civilian to bring a used M38 into their facility for repairs. I can imagine an employee carrying parts off the property to help his buddy repair his jeep though. When was this unusual trip to the Willys factory made?
Here's the location of the spray nozzle:
_________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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45auto Moderator
Joined: Apr 06, 2005 Posts: 150 Location: Georgia
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Posted: Tue Oct 21, 2014 9:41 pm Post subject: |
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There is some truth to closing off the oil filter, but still miss directed. This is where I need to find the documentation and I'm sure I have it some where or I wouldn't have known to look.
As Wes said, the system is a bypass type system and oil is bleed off the #1 main. To keep this from being a problem a restriction is needed in the system as a 3/16 hose coming off the #1 main would bleed off way too much pressure and could and most likely at some point starve the main for oil. In the canister type filter the filter acts as the restriction and knowing such, you should always keep a filter in the canister. The Cuno filter has a very small hole inside the outlet line connection which creates the restriction.
You can see where advice such as "always use a filter or plug it off" along with "its not that great a system" can turn into "just take it off and plug it!!" The system does work and I can't say either the canister or Cuno is better, I just use what came as original on my M38 and M38A1 and keep the oil changed. Also as Wes pointed out, there was a change in the Cam gear orifice hole from .070 to .040. If that small of a hole makes a big difference, you can see where an unrestricted 3/16 line could make even a bigger difference. The key here is to remember it is a System and it should be kept in tact for everything to work as it should. _________________ Harold W.
MVPA #6833
1945 GPW
1950 CJV-35/U
1951 M38 1952 M38
1962 USMC Contract M38A1
1953 Strick M100 1967 Johnson M416
1968 CJ5 4-Speed 1969 CJ5 V6 |
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