Coolant Leaking - MINI Cooper Forum

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post #1 of 2 (permalink) Old Mar 26th, 2011, 04:09 PM Thread Starter
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New to forum and hope to use this alot.
I have just purchased a 2004 04 Mini Cooper S which is producing 216 BHP. I have only owned this for a few weeks and have noticed that i'm using coolant. I took the car today to get pressure tested and tested the car at 1.5 bar as this was the max it would let me pressure this to, over a period of 10 minutes the pressure did not drop and there were no signes of any leaks.
The temprature in the car works fine and the temprature gaugue sits at half way all the time, but after a few days there is coolant loss. I have checked the coolant tank to see if this leaks and can't find any leaks.
I have checked the oil and thir is no signs of head gasket.
Any suggestions

Also the engine mount is pushing out black oil/jelly, does this need replacing as i'm getting mixed reactions on this. The car dosn't bang when going over a bump.
Again your comments would be greatful
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post #2 of 2 (permalink) Old Mar 26th, 2011, 06:49 PM
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Check the bottom front corners of the coolant radiator for signs of leakage/corrosion and the thermostat housing area, all are common leak points which can be hard to spot.
Place some clean cardboard on the ground under the engine when parked overnight as this may also help show where/if there are any leaks.

The engine mount should be replaced at some point if it is leaking but it does not sound like it is an urgent job at present.
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