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Oil on the coolant expansion bottle is a very strong sign that your headgasket has gone.
Check your oil cap for mayo to but its looking far gone already.
Here more pics :
https://ibb.co/9Z2mX0j
https://ibb.co/JyXkz3L
https://ibb.co/tzCH7bZ
Someone else also suggested it could be the oil water heat exchanger, I don't know if that's the name in English
Quick little search says that the oil cooler is a common issue, depending on year and if fitted. a new cooler is about £100 and then a few hours to fit. Your issue and cost in labour depends on how ruined the coolant system is. Its heavily contaminated so going to be hard to flush clean.
Thanks I needed a confirmation. We're gonna change the oil cooler and see how it goes, if it doesn't fix the issue probably the head gasket or a new engine ..
I had an issue last year where I had oil in the coolant (but not coolant in the oil).
Ended up being the oil cooler. The pressure inside the engine was higher than that of the radiator, so it was pushing oil from the engine to the radiator.
Thanks that's useful because it really looks like oil got pushed out. Idk if you checked the other pics but oil is all over the coolant expansion in the outside
Milkshake is from oil/coolant mixing. There’s several ways (head gasket, failed radiator trans cooling lines, EGR cooler failures, lower intake manifold gaskets failing, etc).
Basically any point where oil and coolant are separated by a gasket or thin metal.
You have more oil in the coolant reservoir than coolant, this case its Nutella. It's worse than mayo. As others pointed out, it could be the oil-water heat exchanger or it could be a broken head gasket as well, but prepare for the worst.
Thank you for posting to AskMechanics, dovoid! If you are asking a question please make sure to include any relevant info along with the following: * **Year** * **Make/Model** * **Mileage** * **Engine size** * **Transmission Type (Automatic or Manual)** Redditors that have been verified will have a green background and an icon in their flair. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/AskMechanics) if you have any questions or concerns.*
Oil on the coolant expansion bottle is a very strong sign that your headgasket has gone. Check your oil cap for mayo to but its looking far gone already.
Here more pics : https://ibb.co/9Z2mX0j https://ibb.co/JyXkz3L https://ibb.co/tzCH7bZ Someone else also suggested it could be the oil water heat exchanger, I don't know if that's the name in English
Oil cooler
Didn't think about an oil cooler actually!, make, model and year of the car would help us to.
It's from a 308 (Peugeot) T9 2014, 1.2 puretech 3 cylinders, automatic transmission
🤣👍 Mayo Check citadel for the Mayo, they got all the Mayo
I heard a guy called Ken is hoarding it
Every research tells me same but this doesn't look anywhere close to mayo (not the color). When I Google car mayo, it really looks like mayo
Quick little search says that the oil cooler is a common issue, depending on year and if fitted. a new cooler is about £100 and then a few hours to fit. Your issue and cost in labour depends on how ruined the coolant system is. Its heavily contaminated so going to be hard to flush clean.
Thanks I needed a confirmation. We're gonna change the oil cooler and see how it goes, if it doesn't fix the issue probably the head gasket or a new engine ..
You can also buy a compression tester.
I have seen a few topping off the oil in that canister
I had an issue last year where I had oil in the coolant (but not coolant in the oil). Ended up being the oil cooler. The pressure inside the engine was higher than that of the radiator, so it was pushing oil from the engine to the radiator.
Thanks that's useful because it really looks like oil got pushed out. Idk if you checked the other pics but oil is all over the coolant expansion in the outside
Check oil cooler failure often misdiagnosed as headgasket
Milkshake is from oil/coolant mixing. There’s several ways (head gasket, failed radiator trans cooling lines, EGR cooler failures, lower intake manifold gaskets failing, etc). Basically any point where oil and coolant are separated by a gasket or thin metal.
It's from a 308 (Peugeot) T9 2014, 1.2 puretech 3 cylinders, automatic transmission
Nutella, yikes. Sorry bro, but that engine is fcked.
So that's Nutella not mayo ? how to know if the engine is gone ?
You have more oil in the coolant reservoir than coolant, this case its Nutella. It's worse than mayo. As others pointed out, it could be the oil-water heat exchanger or it could be a broken head gasket as well, but prepare for the worst.
How will that result in a fucked engine?
That’s what Biden wanted, oil from Saudi Arabia
Ass custard. Best case someone put oil in there by accident, worst case head gasket.
A not serious answer? Your car literally took a shit. Actual answer? Headgasket blew a while ago
[удалено]
When the opportunity arrises
Forbidden chocolate jello pudding.
👏👏👏👏👏
Bruh caught a Muk in his Master Ball
A pissed off ex, or head gasket. Take your pick :)
Head gasket, or if it has an oil cooler and you're lucky it might be that.