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dexter99

Can coolant evaporate from the expansion tank?

Hello, I own a Nissan X-Trail. I own a Nissan X-Trail and have noticed that the coolant level is low. I wonder if it is possible that coolant is evaporating from the hole on top of the fluid can? I need to refill about 1 dl every six weeks. Is this normal or should I be worried about a leak? Thanks for your help!

(Translated from Swedish)

1 comment(s)

CarlyMechanic

It's not normal for coolant to evaporate from the reservoir cap hole. First, check for any visible leaks around the radiator, hoses, and under the vehicle. If you don't find any, it might be a small leak that only occurs under pressure. Monitor the coolant level closely and consider having a pressure test done to identify any hidden leaks. Let me know how it goes or if you have more questions!

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