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Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Lost half gallon of coolant in 5 blocks?

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Old 04-12-2011, 01:11 PM
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Lost half gallon of coolant in 5 blocks?
What's more likely, a tube jiggled free or the thermostat housing cracked? Would the crack cause this much of a lost?

I know it's leaking in the front area. I'm not with the car, my sis was driving it.
 
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Old 04-12-2011, 03:02 PM
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What type of car?
R53:
Look at water pump
thermostat housing
hoses
R50:
thermostat housing

The thermostst housings do not crack, the gasket usually dies and then you get seepage.
 
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Old 04-12-2011, 03:38 PM
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Maybe sis blew a hose. Bottom hose would leak fast.
 
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Old 04-13-2011, 11:20 AM
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It was a 03 MCS.

Turns out the oem clamp that connects the coolant hoses had rusted off! Check your clamps and replace rusty ones =o
 
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