Sudden heavy coolant leak (photos) - North American Motoring


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Sudden heavy coolant leak (photos)

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Old 04-15-2018, 10:55 AM
CBLJAWH CBLJAWH is offline
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Sudden heavy coolant leak (photos)

2010 Mini Hatchback

I'm trying to diagnose a sudden rapid drain in coolant. I've attached a photo showing the location of the drip.

I'm not very mechanically inclined so I apologize if the issue is obvious.

Add'l info- I was driving home on the first hot day of the year and the temp light came on yellow. Within seconds it was red so I pulled over and turned off the car. Checked the coolant reservoir and it was completely empty. Didn't see a leak initially so I waited about 30 min for the engine to cool down. When I got out, prepared to add coolant, I noticed a large puddle on the passenger side.


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Old 04-15-2018, 07:04 PM
AZdsrt AZdsrt is offline
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Sorry, no photos showed up. A big source of leaks on these cars are the thermostat housing and water pump.
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Old 04-16-2018, 05:47 AM
MiniToBe MiniToBe is offline
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it can also be the water pipe connecting the thermostat to the pump.
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Old 04-16-2018, 06:39 PM
scottm2k scottm2k is online now
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Another vote for possibly the water pipe. It's plastic and could have fractured. The water pump is prone to weep slowly at first before getting worse. It usually gives you a chance to notice before it gets bad enough to drain your exp. tank (in my experience). I only see one picture and I can't make much out there. Looks like a yellow drip on the oil pan? (That's not MINI coolant!) Not much else on that side except for one hose going to the radiator if I recall correctly.
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Old 04-18-2018, 02:18 PM
thefarside thefarside is offline
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8 year old car, unknown miles and condition.

Most likely culprits are thermostat housing and water pipe. Replace BOTH ASAP. Water pipe could fail and dump your coolant. If the water pump is a plastic one, I'd replace that as well, I can't recall when Min stopped using the plastic pump.

My water pipe failed @ 90k, I was lucky I did not loose all of the coolant...
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