Over filled engine oil 2.0 engine

[Willywhitie24]

Hellow everyone, i purchased 2024 willys 2.0 three weeks ago and now have 1,300 miles. This morning i checked my engine oil level and i see its about half an inch above the max level. Is that normal? im a bit concern

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[Vinman]

Give it time, it will leak down to the correct level

 

[NWJeepr]

Hellow everyone, i purchased 2024 willys 2.0 three weeks ago and now have 1,300 miles. This morning i checked my engine oil level and i see its about half an inch above the max level. Is that normal? im a bit concern

This is going to sound crazy, but the 2.0 requires a specific procedure for checking the oil. It's outlined in the owner's manual.

The oil needs to be checked 5 minutes after a warm engine shutdown. Before then, and the reading may be artificially low. After then, and the reading may be artificially high.

When I do a cold engine oil check (sat overnight) on my 2.0, the level will read far above "full" on the dipstick. That's with an exact fill of 5.0 quarts. When I check my oil using the procedure outlined in the owner's manual, the level is properly at the "full" line.

Do the warm check 5mins post shutdown and report back.

I hate Stellantis/FCA for this, it's so dumb. Oil should be able to be checked cold, because that is how most people are accustomed to doing it.

 

[JLUR_LJR]

How much is too much? The TJR 4.0 L guys I ride with put 1 qt over full, for steep climbs and descents. We frequently hit 40° pitch (up and down), and momentary much steeper. I've never seen the JLR oil pressure drop, but I'd like a little insurance.

 

[tk1700]

The owners manual describes the procedure to check the oil level. I believe its to wait 5 minutes after the engine is shut off the check it. If you wait longer than the prescribed time the level will show high.

I don't like that process as it seems to leave room for doubt. I did an oil and filter change and put in 5 qts of oil. I warmed the engine up and waited 5 minutes after shutting it off then checked the oil. It was at the top of the hash marks. I let the Jeep sit overnight. The next morning the level was high, about where yours is. I used a staking tool and put 2 dimples on the dipstick where the oil level was. Now I can check my oil without having to warm the engine up and making sure I wait the required time to check it.

 

[aegisdrgn]

That's genius. Gonna go smack my dipstick with my harbor freight letter stamping dies "COLD"

 

[darnett]

I thought it was just me, guess I need to read the manual but honestly, I have been checking my oil for many, many years and have never heard of this craziness.

another weird thing is when changing the oil, when I thought it was about drained it kind of burped and then a bunch more oil came out. It did that three times.

 

[JL ME]

Your good! Send it.

 

[AFD]

I really hate the "warm engine, wait 5 minute to cool" procedure to measure your oil level. What exactly is "warm" - the average 200° to 240°F the temp gauge reads during the summer and 180° to 190°F it reads during the winter? And with varying ambient temps here of -20° to 110°F, wouldn't the engine cool much faster or slower during that 5 minute wait?

Just seems so imprecise, especially considering "overnight" cold is fairly consistent.

My driveway's probably not perfectly flat, but my 3.6L has always read at the "full" line overnight since the day I bought it with the factory fill and full 5-quarts brings it exactly to that (even though it's likely a bit high, since I doubt every last drop of oil can drain out).

 

[Speed331]

another weird thing is when changing the oil, when I thought it was about drained it kind of burped and then a bunch more oil came out. It did that three times.

Did you loosen the filler cap when you drained the oil? If not, then suction will hold the oil back until its weight overcomes air pressure and you'll get a 'burp' like you described.

Imagine a full liter bottle turned upside down and the fluid going "glug, glug, glug" as it drains..

 

[Pape]

How much is too much? The TJR 4.0 L guys I ride with put 1 qt over full, for steep climbs and descents. We frequently hit 40° pitch (up and down), and momentary much steeper. I've never seen the JLR oil pressure drop, but I'd like a little insurance.

According to Internet lore, Stellantis / Chrysler do qualification testing 1 QT low and 1 QT high.
I ran my 3.8 overfilled for years. Other than adding less oil between the change nothing happened.
If my math check up the JL, I currently overfill, as here my oil come in liter and 5 Liter bottle is a little over 5 QT. If you want a funny story, I asked the part guy at my dealer to provide me with oil and filter for my VIN number. The guy gave me 6 X 1 Qt bottle of Pennzoil. Ya I guess the story about the dealer putting 6 QT in the PUG like the original engine is true.

 

[NWJeepr]

I really hate the "warm engine, wait 5 minute to cool" procedure to measure your oil level. What exactly is "warm" - the average 200° to 240°F the temp gauge reads during the summer and 180° to 190°F it reads during the winter? And with varying ambient temps here of -20° to 110°F, wouldn't the engine cool much faster or slower during that 5 minute wait?

Just seems so imprecise, especially considering "overnight" cold is fairly consistent.

My driveway's probably not perfectly flat, but my 3.6L has always read at the "full" line overnight since the day I bought it with the factory fill and full 5-quarts brings it exactly to that (even though it's likely a bit high, since I doubt every last drop of oil can drain out).

It's definitely a miss on Stellantis' behalf. Most people are accustomed to checking the oil cold, when it's fully drained into the pan.

I don't think temperature is as important as time; Whatever they're calculating as the correct level depends on fully circulated oil in passages and lines draining back into the pan -- but not too much. But they have to write the owner's manual for laypersons.

 

[darnett]

Did you loosen the filler cap when you drained the oil? If not, then suction will hold the oil back until its weight overcomes air pressure and you'll get a 'burp' like you described.

Imagine a full liter bottle turned upside down and the fluid going "glug, glug, glug" as it drains..

Good point, I "thought" I did but probably hadn't opened it. It flowed out well but your right, probably had pressure holding it in some of the upper passages

 

[JLUR Farout]

I am gaining oil, but it depends on the dip stick's mood. Dealer thinks the HPFP's o-ring is leaking fuel into the block, the part is on order.

BRILLIANT thought about dimpling the dip stick! I'm going to do that. It is good that my oil stays clean for a long time, but the stuipid tube design and the kink in the stick makes reading it hard due to oil drag. I've pulled it ASAP, wiped, and inserted at the five minute mark. I've let it stay until the five minute mark, and I've had the stick out all night and inserted it in the morning. No matter what some oil gets dragged by that bend. I miss the 3.6L dipstick. The cable with the plastic tip on the end was idiot proof and zero sloppy drag up the tube.

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