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Author Topic: Mystified  (Read 5894 times)

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Offline Mytwojeeps2020

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Mystified
« on: February 26, 2021, 06:19:53 PM »
Wow, I keep finding weird Jeep issues-and I’ve been around them for 50 years.

Today, I went to change the oil on my new-to-me 61’ CJ5. It’s been in the family since early December.  The oil is clean, but I thought, what the heck, change it anyway.

I don’t know why I didn’t notice it before, but the inlet/outlet holes on the oil canister had been plugged by the PO!

I checked the oil for cleanliness before I bought it.

Why in heck would anyone plug the canister holes? I have all his old receipts, so he wasn’t afraid to spend money on it.

<insert grumpy face here>
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First Car at 16: 1958 CJ3B    (RIP)
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Offline athawk11

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Re: Mystified
« Reply #1 on: February 26, 2021, 07:30:38 PM »
That may have been the previous owners approach to try to improve the oil pressure.
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Offline Rus Curtis

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Re: Mystified
« Reply #2 on: February 26, 2021, 09:12:11 PM »
Quote from: Mytwojeeps2020 on February 26, 2021, 06:19:53 PM
Wow, I keep finding weird Jeep issues-and I’ve been around them for 50 years.

Today, I went to change the oil on my new-to-me 61’ CJ5. It’s been in the family since early December.  The oil is clean, but I thought, what the heck, change it anyway.

I don’t know why I didn’t notice it before, but the inlet/outlet holes on the oil canister had been plugged by the PO!

I checked the oil for cleanliness before I bought it.

Why in heck would anyone plug the canister holes? I have all his old receipts, so he wasn’t afraid to spend money on it.

<insert grumpy face here>



It would also cut down on oil filter expenses.....
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Offline Mytwojeeps2020

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Re: Mystified
« Reply #3 on: February 27, 2021, 12:07:05 AM »
I never thought I’d ask this question, but, in your opinion, is it safe to run this thing without an oil filter? I know that filters were an option on many of the earlier engines.

My first impulse is to reinstall the lines. Joy...
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First Car at 16: 1958 CJ3B    (RIP)
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Current Jeep: 1961 CJ5 “Olaf”

Offline scoutpilot

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Re: Mystified
« Reply #4 on: February 27, 2021, 06:00:55 AM »
Filters are cheap insurance against failure.
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Offline oldtime

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Re: Mystified
« Reply #5 on: February 27, 2021, 08:04:17 AM »
What holes ?
The inlet hole on the stand pipe that’s inside the canister ?
The outlet hole at the base of the canister ?
How were they plugged ?
Was there a filtering element inside the canister ?
« Last Edit: February 27, 2021, 08:06:53 AM by oldtime »
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Offline Mytwojeeps2020

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Re: Mystified
« Reply #6 on: February 27, 2021, 01:11:41 PM »
Oldtime: My replies are in bold below. Thanks for your review!

Quote from: oldtime on February 27, 2021, 08:04:17 AM
What holes ? The holes that are plugged are the inlet and outlet plugs going into/from the oil filter canister.  Also, a brass (I think its brass) plug has been inserted into the port near the timing chain; I can’t tell what type of plug was used beneath the fuel filter - I can feel it (I think), but I can’t see it.


The inlet hole on the stand pipe that’s inside the canister ?  The standpipe is still in the canister, but like I said, it’s been plugged off from below the canister.


The outlet hole at the base of the canister ?


How were they plugged ?  They appear to be brass plugs wrapped with Teflon tape.


Was there a filtering element inside the canister ?  Yes. The canister had an old filter in it and both it and the canister were full of old (dirty) oil

PS: I’ve replaced the hose from the filter to the hole under the fuel pump before, but that was with a single-action fuel pump that I didn’t have to remove to get to the hole.  I’m now working with a duel-action pump, and can’t see below it. Before I start tinkering with the fuel pump, can anyone post pics of what/where the crankcase oil plug is? Much appreciated!
« Last Edit: February 27, 2021, 01:14:43 PM by Mytwojeeps2020 »
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First Car at 16: 1958 CJ3B    (RIP)
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Offline Rus Curtis

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Re: Mystified
« Reply #7 on: February 27, 2021, 02:41:47 PM »
Note:  I had to log out and see the comments.  Copied below for anyone else that can't see (so they don't have to log out, yada, yada, yada):

Quote from: Mytwojeeps2020
I never thought I’d ask this question, but, in your opinion, is it safe to run this thing without an oil filter? I know that filters were an option on many of the earlier engines.
My first impulse is to reinstall the lines. Joy...

Quote from: scoutpilot
Filters are cheap insurance against failure.

AGREED!  Even a partial filter system would be beneficial.  The timing gears wouldn't complain about the extra oil bath either!

Quote from: oldtime
What holes ?
The inlet hole on the stand pipe that’s inside the canister ?
The outlet hole at the base of the canister ?
How were they plugged ?
Was there a filtering element inside the canister ?

Quote from: Mytwojeeps
Oldtime: My replies are in bold below. Thanks for your review!

Quote from: oldtime on Today at 08:04:17 AM
What holes ? The holes that are plugged are the inlet and outlet plugs going into/from the oil filter canister.  Also, a brass (I think its brass) plug has been inserted into the port near the timing chain; I can’t tell what type of plug was used beneath the fuel filter - I can feel it (I think), but I can’t see it.


The inlet hole on the stand pipe that’s inside the canister ?  The standpipe is still in the canister, but like I said, it’s been plugged off from below the canister.


The outlet hole at the base of the canister ?


How were they plugged ? They appear to be brass plugs wrapped with Teflon tape.


Was there a filtering element inside the canister ? Yes. The canister had an old filter in it and both it and the canister were full of old (dirty) oil

PS: I’ve replaced the hose from the filter to the hole under the fuel pump before, but that was with a single-action fuel pump that I didn’t have to remove to get to the hole.  I’m now working with a duel-action pump, and can’t see below it. Before I start tinkering with the fuel pump, can anyone post pics of what/where the crankcase oil plug is? Much appreciated!

Okay.  Here are some easy pics to locate and post from the 3B Page:

Oil "Inlet" next to the radiator connection running behind the vacuum "T"


Oil "Inlet" line as it curves behind the pump


Another view of oil "Inlet" where it attaches to galley and runs up behind pump and towards cannister:


Hope this helps.
« Last Edit: February 27, 2021, 02:45:11 PM by Rus Curtis »
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Offline Mytwojeeps2020

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Re: Mystified
« Reply #8 on: February 27, 2021, 04:54:09 PM »
Rus, is that the oil port just below the fuel pump?
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Offline Rus Curtis

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Re: Mystified
« Reply #9 on: February 27, 2021, 05:14:39 PM »
Yes!


After posting I found this.  Shows the galley and path - to include that "Inlet" from below the pump up to the filter

https://cj3b.info/Tech/OilPressure.html

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Offline Mytwojeeps2020

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Re: Mystified
« Reply #10 on: February 27, 2021, 06:01:16 PM »
Excellent, Rus, thanks!

You’ve given me yet another chance to avoid expensive mechanics!

(Not to mention learning good things in the process!)
« Last Edit: February 27, 2021, 06:02:54 PM by Mytwojeeps2020 »
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First Car at 16: 1958 CJ3B    (RIP)
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Offline oldtime

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Re: Mystified
« Reply #11 on: February 27, 2021, 06:42:10 PM »
It appears to me that perhaps the hoses got old, cracked and blew out.
The hose ports were then plugged instead of finding the correct replacement hoses ???
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Offline Bruce_W

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Re: Mystified
« Reply #12 on: February 27, 2021, 08:36:57 PM »
Or someone fell prey to the old wives’ tale about the oil filter causing reduced oil pressure.
BW
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Offline Rus Curtis

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Re: Mystified
« Reply #13 on: February 27, 2021, 09:15:56 PM »
Quote from: Mytwojeeps2020 on February 27, 2021, 06:01:16 PM
Excellent, Rus, thanks!

You’ve given me yet another chance to avoid expensive mechanics!

(Not to mention learning good things in the process!)


Quote from: Bruce_W
Or someone fell prey to the old wives’ tale about the oil filter causing reduced oil pressure.
BW

Some weird things have been done in the past.  IF you plan to replace the hoses to make the canister function again, I'm also sharing a couple of threads specific to my issues with this. Your jeep is a 1961 CJ5.  I'm assuming an F-head engine.  Look under the cannister to see if there's a 45* fitting.   In the threads below, I show a long hose from Walck's that didn't work with my fitting.  I later learned that his hose was designed to work without the fitting (straight connection from cannister to timing cover).

https://www.tapatalk.com/groups/cj3b_bulletin_board/viewtopic.php?p=44894#p44894

https://www.tapatalk.com/groups/cj3b_bulletin_board/oil-filter-inlet-tube-t2801.html


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Offline Mytwojeeps2020

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Re: Mystified
« Reply #14 on: February 28, 2021, 05:27:27 PM »
Will, do. Thanks! I’ll report back when I get it done. The parts were ordered this morning.
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First Car at 16: 1958 CJ3B    (RIP)
Second Jeep: 1964 CJ6 (Re-homed in 2022)
Current Jeep: 1961 CJ5 “Olaf”
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