Question about 2004 Mini Cooper

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Heater not working in mini thermostat might be faulty?

Where is the thremostat in a mini and is it a big job to replace it

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I don't think it will be the thermostat, as this controls coolant into the front radiator when it gets too hot.
The coolant is circulated constantly, and can go through the heater matrix if the heater control valve is open.

It is more likely that the control link to this valve has come off or needs looking at.

It could also be that you have an airlock in the system - so your heater is full of air - not hot water. There should be a small bleed valve near the bulkhead that you can let the air out from, or loosen a hose clip at the heater.
Usually you hear water noises inside if this is the problem.

Both worth considering.

Thanks for using Fixya. I hope this leads to a fix for you.

Posted on Jan 01, 2009

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Posted on Jan 02, 2017

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