Oil leak

[Randonexplosion]

I got to work this morning and noticed some drips of dark oil in the gravel after I had parked. After investigating it appears to have come from the oil filter housing. After going back home for lunch I noticed a pretty sizeable puddle under where I normally park. It seems to only have leaked when I used my remote start to warm it up this morning as I couldnt find any noticeable drips for the rest of the day. I have a freebie oil change scheduled tomorrow and I let them know about it.

I just find it odd that it leaked first thing this morning and not afterwards. It has been down in the low teens at night. Anyone have this happen yet? I checked the filter housing by hand and couldn't move it so it seemed tight ?‍

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[mrmo]

Looks pretty significant. Need to get under it and see whats up

 

[Randonexplosion]

Looks pretty significant. Need to get under it and see whats up

I traced it back to the oil filter housing.

It was either this morning or Friday night when I ran to the grocery store as I didnt drive it Saturday or Sunday.

 

[OHJeeper]

That looks like a LOT of oil... and dirty, too!

 

[mrmo]

It wouldnt come and go on the housing. O-ring will leak constantly once started

 

[Randonexplosion]

That looks like a LOT of oil... and dirty, too!

Im guessing it was a few ounces. Its only been about 5k miles since my last change and I have 43% left on my oil life monitor.

 

[Randonexplosion]

It wouldnt come and go on the housing. O-ring will leak constantly once started

You wouldnt think so, especially since it hasnt leaked a drop since August when the last oil change was done. That was the highest point on the motor that I could find oil residue, on the underside of the oil filter cap. I was thinking it may have something to do with the cold temps but it has been just as cold for the last 2 weeks.

 

[22EcoDs]

This is the 3rd 3.0 I have heard of dumping the oil. Friend had his whole cooler and filter assembly replaced.

 

[22EcoDs]

Found it. https://www.jeepgladiatorforum.com/forum/threads/catastrophic-oil-leak.63357/

 

[mrmo]

I would believe a housing leak where the cooler attaches...

 

[Randonexplosion]

Found it. https://www.jeepgladiatorforum.com/forum/threads/catastrophic-oil-leak.63357/

I read a good chunk of that thread then quit after the usual bickering started. Hopefully they can figure it out when they do the service tomorrow.

 

[ShadowsPapa]

Im guessing it was a few ounces. Its only been about 5k miles since my last change and I have 43% left on my oil life monitor.

Right - 4 ounces of oil will make a hell of a mess. It always looks like more than it is. Not that your leak is insignificant, it's not like it's lost half a quart of oil.

Is it possible that it's something leaking only under higher oil pressure - not under low pressure?
I know these are VERY different, but I had an oil leak once that happened only on the highway, only faster speeds, and was in such a way that windage from driving and the fan spread it to the point it was near impossible to find.
After trying almost everything I could think of, I got it good and hot, washed it up good, and revved it and watched the area I suspect it was coming from based on my figuring how the wind would blow it, etc.
It turned out to be a seam on the filter that opened up only with higher pressure - about 70 psi, and it was such a small leak the oil had to be thinned by heat.
The filter wasn't that old. Replaced it, cleaned things up again, no more leak.

 

[The Welsh Griffin]

This will clean your driveway

 

[Randonexplosion]

This will clean your driveway

Haha my nephew forgot to pull the plug in the drain pan when he was changing the oil in my Duramax so it already has about 4 quarts on it

 

[Randonexplosion]

Right - 4 ounces of oil will make a hell of a mess. It always looks like more than it is. Not that your leak is insignificant, it's not like it's lost half a quart of oil.

Is it possible that it's something leaking only under higher oil pressure - not under low pressure?
I know these are VERY different, but I had an oil leak once that happened only on the highway, only faster speeds, and was in such a way that windage from driving and the fan spread it to the point it was near impossible to find.
After trying almost everything I could think of, I got it good and hot, washed it up good, and revved it and watched the area I suspect it was coming from based on my figuring how the wind would blow it, etc.
It turned out to be a seam on the filter that opened up only with higher pressure - about 70 psi, and it was such a small leak the oil had to be thinned by heat.
The filter wasn't that old. Replaced it, cleaned things up again, no more leak.

Thats a good possibility. Maybe cold oil under high pressure with different metals warming up and expanding at different rates is causing a leak at the top of the cooler/heat exchanger.

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