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Lemmy Car Experts, I have a car that is randomly leaking coolant and need advice (Resolved) (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by YoBuckStopsHere@lemmy.world to c/asklemmy@lemmy.ml

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2012 Ford Focus, 155K miles, it is leaking a decent amount of coolant when my partner drives it to work but doesn't even leak a drop if I drive it to work. The mileage is the same but I don't sit in traffic. Could the extra heat from sitting in traffic be opening up a pinhole sized leak in the coolant line?

Edit: Thanks to a tip from the comments when the heat is turned on it leaks. I should be able to bypass that line pretty easy.

Thanks Kolgeirr@sh.itjust.works

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[–] lungdart@lemmy.ca 5 points 1 year ago (5 children)

When coolant heats up, it can evaporate of there's a way out. Do you have any residue on the inside of your hood?

If you're experience a LOT of coolant loss it could be escaping into the engine through a falling head gasket. In this case you wouldn't see any residue on the inside of your hood.

God speed.

[–] Mr_Smiley@lemmy.world 4 points 1 year ago (1 children)

If its head gasket I would expect the loss to be consistent. If you open the rocker cover cap / oil filling point and it looks like there is Mayo in there, then it could be a sign the head gasket is failing.

[–] YoBuckStopsHere@lemmy.world 1 points 1 year ago

That was my first instinct, I had a 92 Dodge Daytona which had a terrible head gasket. That was what I was seeing with that. The focus looks fine. No loss of power and no backfires so I don't believe coolant is getting into the engine.

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