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E30 Fanatic 03-31-2013 07:04 PM

Mysterious Coolant puddle
So I went to pull my BMW out of storage today, only to notice a mysterious coolant puddle under the car. It has been sitting since September and hasn't been run since then. When I looked under the car I noticed there was a wet spot of concrete and a little puddle under the front part of the engine. There was also a drop of coolant getting ready to drop off the pully for the crankshaft. I am ver confused on where it could be coming from since it wasn't leaking when I put it away for storage in September. Any ideas on where it could possibly be coming from would help a ton. (The water pump couldn't have failed just sitting could it?)

BMWFatherFigure 03-31-2013 07:12 PM

Water pump is my guess. Might fix its self when car taken for a decent run..

hornhospital 03-31-2013 07:12 PM

Yes, it could, and it's very likely that's what's leaking.

E30 Fanatic 03-31-2013 07:18 PM

Damn, and i just had the front end apart last summer to do the timing belt and dumb ass me didnt get a new water pump at the time

downhiller 04-01-2013 06:55 PM

hindsights a B aint it. clean the front of the motor. let the motor run for a good hour with driving both city and highway. grab a box and flatten it out. slide the box under the front of the engine and let sit with engine off for a few hours. go back and see how much has dripped. that will tell you if you need to do some repair work or if it just had a dry gasket from sitting

Chaunceton 04-03-2013 06:02 AM

Downhiller said my first guess; if it's just a small puddle I'd say dry gasket or maybe an old brittle hose.

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