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alinafuchs3

Mini One heating blowing lukewarm air

Okay, so my 2007 Mini One is driving me nuts! The heating is just blowing lukewarm air, even when the engine is warmed up. The mileage is 121415 km. I scanned for errors and got something about the water valve. I'm guessing it's blocked or something? Could it be the cause of the poor car heating?

Summary of the thread

A 2007 Mini One was experiencing an issue with the heating system, blowing only lukewarm air despite the engine being warmed up. An error code indicated a problem with the water valve, suggesting it might be blocked or defective. The solution involved checking the plug connection on the valve and potentially replacing the valve itself. After taking the car to a mechanic, the defective water valve was replaced, resolving the heating issue.

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4 comment(s)

rudolfwilliams1

Sounds like a faulty water valve, or possibly a blockage in the coolant system. I had a similar issue with my Mini Cooper a while back. The car heating was barely working, and the engine was running hotter than usual. Have you checked for any signs of a coolant leak? Also, is there an error code stored in the car's computer? That can sometimes give you a clue. Could be a simple fix like a corroded plug connection on the valve itself.

alinafuchs3 (community.author)

Coolant leak - no. Error code - yes, something about the water valve. You mentioned a corroded plug connection - where exactly is that located? Is it something I can easily check myself without taking everything apart?

rudolfwilliams1

Yep, the error code pretty much confirms it’s the water valve. The plug connection is right on the valve itself. It controls the flow of engine coolant to the heater core that's the little radiator inside your dashboard that provides hot air. It's worth a look, but honestly, if you aren't too familiar with car electrics, you might be better off taking it to a workshop. They can properly diagnose it and replace the valve if needed.

alinafuchs3 (community.author)

Thanks a bunch for confirming that! I took it to a mechanic, and you were spot on. Turns out the water valve was indeed defective. They replaced it, and the car heating is blasting hot air again. 95€ well spent!

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MINI

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ONE