Small water leak only in the morning - MINI Cooper Forum

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post #1 of 12 (permalink) Old Mar 18th, 2014, 04:49 PM Thread Starter
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Small water leak only in the morning

Hi I am new to the forum and thanks in advance for any replies

I have recently noticed when my car is left overnight on the driveway that there is a small wet patch of wTer coming from the edge of the bumper. This has now happened 2 days running. After I start the engine i can see small droplets of water running down, it usually will leak for about a minitue or so then stop completely and will not leak throughout the whole day.

Could it be a leak in the raidiator? Or could it be the thermostat leaking?

Also my car usually warms up quick and gets half way up the temp gauge but as its been slightly hotter the last few days I've noticed it reach half way temp a lot sooner it makes sense right? It's just usually on my older cars it used to take a little longer to reach half way on the temp gauge.
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post #2 of 12 (permalink) Old Mar 18th, 2014, 05:33 PM
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Was your car wet when you put it in the garage? I get this sometimes when my car is parked in the garage overnight and is still wet.
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post #3 of 12 (permalink) Old Mar 18th, 2014, 05:55 PM
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Is the water pure water? as if it was coolant it would smell and have a colour too it, dont confuse it with cats pee please if youre going to taste it though.
But it can be a coolant leak when cold that will seal, up to a point once hot.
Check you coolant level in the header tank, has it dropped?

It could be a leaking headlight wash hose even or screen wash bottle, but that will also smell if its got the additive in it that is should always have?

Or it could just be morning dampness running down from a gutter but that will just be pure water?

Better get down on your knees and taste some, and watch the neighbours arent looking.
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post #4 of 12 (permalink) Old Mar 18th, 2014, 05:59 PM Thread Starter
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Lol it's not pee.

It's defo water as I put my hand under the bumper where it was dropping from and it seems like water with no colour. Where do I check my coolant level? Is it the same place where I refill my water for radiator?
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post #5 of 12 (permalink) Old Mar 18th, 2014, 06:06 PM
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Check your coolant level at the expansion bottle, should tell you in your very handy drivers handbook that you should always have to hand?
Or take the top off where you normally fill it and have a look, does it look low or empty even?
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post #6 of 12 (permalink) Old Mar 18th, 2014, 06:23 PM Thread Starter
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It's filled up almost to max but when I first noticed the leak it was just slightly low I had to fill up about a litre of water to get it to top level again ever since its hardly lost an water.
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post #7 of 12 (permalink) Old Mar 19th, 2014, 11:57 AM
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Does your MINI have air-conditioning?

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post #8 of 12 (permalink) Old Mar 19th, 2014, 05:12 PM Thread Starter
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Yes it has air con
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post #9 of 12 (permalink) Old Mar 19th, 2014, 06:07 PM
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Are you sure the water isn't coming from the air con condenser drain......this will dump clean water on the road pretty much every time you start the car when it has been standing overnight ?

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post #10 of 12 (permalink) Old Mar 20th, 2014, 05:30 PM Thread Starter
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i dont think so.

I have spotted a place on the raidiator where i think its leaking from as its dropping water very slowly and you can see its wet there. ive took a few pics but it wont let me upload just yet.

its coming from the corner of the rad, drivers side.
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post #11 of 12 (permalink) Old Mar 20th, 2014, 05:41 PM
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Quote:
Small water leak only in the morning
Worth a trip to the doctor to see if it's a symptom of something else......
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post #12 of 12 (permalink) Old Mar 20th, 2014, 08:43 PM
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Quote:
Originally Posted by akaymc View Post
i dont think so.

I have spotted a place on the raidiator where i think its leaking from as its dropping water very slowly and you can see its wet there. ive took a few pics but it wont let me upload just yet.

its coming from the corner of the rad, drivers side.
Corners of the Mini radiator are very common slow leak points so I guess this is your problem....replacement Mini rads are supposed to be improved and somtimes need a new type of hose to be fitted to match.
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