Loss of coolant - MINI Cooper Forum

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post #1 of 3 (permalink) Old Mar 7th, 2012, 08:05 AM Thread Starter
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Loss of coolant


My 05 one has started loosing coolant since the weather turned cold a few weeks ago. The engine runs smoothly ( no mechanical noises around to worry me) and I cannot see any evidence of leaks around the radiator or traces of coolant on my garage floor.
Any idea of what might have been damaged by the cold ?
Thank you !
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post #2 of 3 (permalink) Old Mar 8th, 2012, 12:18 AM
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if you have been running coolant with a high freezing point like water, perhaps froze due the weather and expanded causing a slight crack which leaks once the fluid heats up and opens the crack?
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post #3 of 3 (permalink) Old Mar 9th, 2012, 06:15 PM
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check the thermostat. kinda hard to see. if u see small traces of coolant on the power steering pump its almost always the thermostat
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