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Discussion Starter #1
Hey guys, I've been following this forum for a couple years since I've owned my 2015 Kia Soul. Great to see such a good community of soul drivers (I've owned other cars that have scarce forums). I recently replaced my PCV valve and installed a catch can due to loosing about 1 to 1.5 quarts of oil every 5,000 miles, which is when I change the oil. I use full synthetic 5w-20 and the Kia OEM oil filter every time (i do all my own changes and usually write on the oil filter box top and keep for record). After driving about 350 miles (99% highway) since installing the catch can I decided to open it up for fun and see if anything collected. To my surprise it looked like someone dumped part of their Starbucks cappuccino in my can. It is about 1/2-3/4" full. The oil level did go down a bit on the dipstick, but still shows a nice amber/brown color. Coolant level hasn't changed a whole lot so I'm not sure if there is a gasket leak somewhere (confuses me since the dipstick color looks fine). Wasn't sure if anyone had any ideas? Appreciate any feedback!

Couple other things for history:
Purchased this Kia Soul + with 2.0 GDI certified preowned with 12k miles in 2017
Have added about 500ml of coolant to the resevoir tank (the amount it takes to get from the "L" line to the "F" line) since purchasing, not sure if this is normal or not.
63,000 miles are on the engine to date
I do my own oil changes at home every 5k miles with valvoline full synthetic 5w-20
Also noticed some "wet" areas on the back of the engine block on the belt drive side from some sort of oil leak last time I changed the oil (see last picture). Haven't noticed any oil drops on the garage floor yet.

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The fluid that's collected in my OCC has only been dark since my installation a few months ago. But the coffee color is something that I've seen with others as well. Oil loss has not been an issue with my 2.0 engine (yet - currently at ~25K miles). Some other owners have reported oil loss between changes, but I'm not sure what amount is considered normal.

Side note: Any pics of how you mounted the OCC? Did you have to fabricate a bracket?
 

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2017 Base/auto, Shadow Black (Betsy)
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Dampness in the new install?
PCV, Catch can, tubing?
See what the next collection looks like.
 

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Discussion Starter #5
Okay, I dumped out what I've collected so far and will check again in a few days and see how it looks. It did appear to have some clear moisture that was separated a bit. Will also try 5w-30 next oil change (in another 1,000 miles). I don't think I really started to notice any substantial oil loss until about 40-50k miles.

Seemed like a lot of liquid in the catch can, it was close to half full after today before I dumped it (ran about 600miles total). Is this normal for anyone else with a catch can? Maybe a 1/4-1/3 cup total.

I'll attach pictures of the PCV catch can hose routing and also a close up showing how i mounted it (it came with a small bracket already installed and I just used a self tapping sheetmetal screw to secure it to the engine bay). Also putting a link to the catch can I used below:

https://www.amazon.com/gp/product/B076BKV7JF/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1

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2017 Base/auto, Shadow Black (Betsy)
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I don't have a OCC.
I have seen a few postings of residue collected, your does seem excessive to me.
 

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Dwkirch: I have the exact same catch can, installed about 2K miles ago. Just now unscrewed it and it has the same colored stuff as yours, but only about 1/4 inch at most. Very thin, has a slight odor of oil/gas. Also my oil is down about a pint or so....first time since I've had the car. Mileage is now about 37K.

Seems the amount in the cans are proportional to the amount of oil burned, doesn't it? As to the reason, I'm not very mechanical, but have to think the oil is escaping past the piston rings...worn rings or cylinder wall...no idea. Not very a comforting thought.
 

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2014 Titanium Stick Shift Pacific NW
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The oil caught in my OCC is typically more like coffee without creamer.
So what you're saying is it's more like a Double Americana & less like a Half Caff Mocha Latte :coffee:
 

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I'm not a coffee drinker, but I'll trust your descriptions!
Sorry Hank, in the NW we're steeped in coffee shops on every corner. It's so bad that it has percolated it's way into our vernacular :)
 

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Not a fan of the piss-thin oil out there these days. Why don't you change it to 10-30 Syn blend and see if there's any improvement?
 

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Kia Soul 2015 2.0 litre EX GDI Alien Green II Pearl ~56K km (35K miles) Michelin CrossClimate tires
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..... I recently replaced my PCV valve and installed a catch can due to loosing about 1 to 1.5 quarts of oil every 5,000 miles, which is when I change the oil.
....
An oil catch can might be a good idea for preventing or slowing future oil loss. But I fail to see how it would prevent the loss of 1 to 1.5 quarts of oil every 5K miles or eliminate the carbon buildup on the valves that might have caused the oil loss in the first place.

It might be an idea to try to determine the actual cause of the oil loss.

In our case, the level of the 5W20 Pennzoil Ultra Platinum Synthetic oil hardly moves at all in our 2.0 litre 2015 Soul, still at a modest 35K miles.
 

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Discussion Starter #14
Quick update, I've gotten two different samples out of my catch can. The first (the bottle on the right) was taken after approximately 600 miles of highway only speeds varying from 50-75mph. The second (the bottle on the left) is about the same amount of miles but more of my daily commute so probably closer to 40% city 60% highway miles. I also did the CRC intake valve cleaning procedure before both samples. I waited until the fuel/oil/water separated so you can more easily see how much of what is in there (fuel is at the top, oil in the middle, and water at the bottom).

I'm about at 5k miles since my last oil change so I am planning on doing that this weekend and putting in Castrol GTX 5w-30 to see how it does with oil consumption. I also have a sample kit from blackwater labs that I am going to send in and will upload the oil test reports once I receive them. I plan on also keeping better tabs at actual oil consumption so I don't have to rely on my memory between oil changes.

I also never had any oil consumption issues until around 50k so you may need to keep an eye on your oil as you increase in miles.

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Quick update, I've gotten two different samples out of my catch can. The first (the bottle on the right) was taken after approximately 600 miles of highway only speeds varying from 50-75mph. The second (the bottle on the left) is about the same amount of miles but more of my daily commute so probably closer to 40% city 60% highway miles. I also did the CRC intake valve cleaning procedure before both samples. I waited until the fuel/oil/water separated so you can more easily see how much of what is in there (fuel is at the top, oil in the middle, and water at the bottom).

I'm about at 5k miles since my last oil change so I am planning on doing that this weekend and putting in Castrol GTX 5w-30 to see how it does with oil consumption. I also have a sample kit from blackwater labs that I am going to send in and will upload the oil test reports once I receive them. I plan on also keeping better tabs at actual oil consumption so I don't have to rely on my memory between oil changes.

I also never had any oil consumption issues until around 50k so you may need to keep an eye on your oil as you increase in miles.

View attachment 133578
The amount of emulsification from water is more than I have seen collected, in my limited viewing.
 

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Quick update, I've gotten two different samples out of my catch can. The first (the bottle on the right) was taken after approximately 600 miles of highway only speeds varying from 50-75mph. The second (the bottle on the left) is about the same amount of miles but more of my daily commute so probably closer to 40% city 60% highway miles. I also did the CRC intake valve cleaning procedure before both samples. I waited until the fuel/oil/water separated so you can more easily see how much of what is in there (fuel is at the top, oil in the middle, and water at the bottom).

I'm about at 5k miles since my last oil change so I am planning on doing that this weekend and putting in Castrol GTX 5w-30 to see how it does with oil consumption. I also have a sample kit from blackwater labs that I am going to send in and will upload the oil test reports once I receive them. I plan on also keeping better tabs at actual oil consumption so I don't have to rely on my memory between oil changes.

I also never had any oil consumption issues until around 50k so you may need to keep an eye on your oil as you increase in miles.

View attachment 133578
That is likely the reason there are no OEM catch cans. They can be a high maintenance item.

There are tons of car owners that do not perform the simple maintenance tasks like check/change engine or cabin air filters, check /change oil and other fluids, check tire air pressure, rotate tires, gas up on their own, clean the car enough, read the owners manual.

What will a poorly maintained catch can do to the engine??
 

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Kia Soul 2015 2.0 litre EX GDI Alien Green II Pearl ~56K km (35K miles) Michelin CrossClimate tires
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.....
I also never had any oil consumption issues until around 50k so you may need to keep an eye on your oil as you increase in miles.
.....
That, my friend, goes without saying!

Thank you for sharing all this information, and good luck going forward.
 

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Discussion Starter #19
Good news and bad news:

Good news is I finally received the oil analysis back from blackstone labs and they said everything looks good and no excessive wear is detected (see report below).

Bad news is with all this COVID-19 I've been working from home for the past couple weeks and not putting enough miles on the Kia to be able to see if the 5w-30 oil is helping with the loss and improving the catch can contents.

I'm not to familiar with these reports so if someone else is, please feel free to comment on the results.

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I had a burning oil issue on my 13 1.6. It would burn about 1qt every 1000 miles. No visible smoke or anything. When doing oil changes I would by 2 jugs. I extended the oil change interval to about 7500 because it was getting new oil replaced every 2 weeks. I did mostly interstate driving. I suspected it was sticking oil control rings. I first did a Seafoam treatment on the topside. I pulled out the spark plugs and poured 3-4oz of sea foam into each of the cylinders to let that work and seep down between the pistons and rings. It worked for a bit then came back burning oil. I then added about 8oz into the engine oil and drove it for about 1500 miles until the next oil change. (Mind you I'm already using 5W30 down here in FL) After running the Seafoam in the engine, it cleared up after the oil change. It's been over 6 months and I haven't had to add oil once. Try that. I'm already over 130K miles and was looking into pulling the motor and putting some new rings in it. Not after this trick however. It seems they may have an issue with the rings sticking and with the thin oil it just bakes them into the grooves or something.
 
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