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-   -   Massive coolant leak but where from? (

JasonHebb 11-05-2012 11:44 PM

Massive coolant leak but where from?
Hello there! I have just bought an e30 (my first BMW!!) I checked all the fluids took it for a drive and it ran great and everything checked out. But the other day on my drive I took off the coolant filler cap to put some more in and loads of coolant started running out from underneath the engine. The leak has slowed now but I cannot find where it is coming from, all the hoses look and feel good as do the clamps and the leak is coming from somewhere between the engine and the fan. I managed to get my iphone in to take a video, can anyone think where this is coming from, do I need a new water pump and gasket? Any advice would be great as I would like this car to be back on the road before the snow starts ideally...



downhiller 11-06-2012 05:17 PM

bad link

JasonHebb 11-06-2012 06:02 PM

It wouldn't let me post it as a proper link if you just copy the /watch... part after then it should work I just tried it.

tim96 11-06-2012 07:33 PM

link to video :

Is it dripping out from the bottom of the water pump?

hornhospital 11-06-2012 07:36 PM

double post....

hornhospital 11-06-2012 07:37 PM

Here's the video. Your link didn't work, even copying everything after /........ (talking to OP)

That's coming from either the thermostat housing or the water pump. My guess is water pump. :( Replace the cam drive belt while you're in there.

hornhospital 11-06-2012 07:41 PM


Originally Posted by tim96 (Post 7180268)
Is it dripping out from the bottom of the water pump?

No, that's the front crank pulley and timing pulse ring.

tim96 11-06-2012 07:43 PM


Originally Posted by hornhospital (Post 7180291)
No, that's the front crank pulley and timing pulse ring.

yea , I realized that, I meant dripping down over it

BMWFatherFigure 11-06-2012 11:07 PM

Quite possible. Feel under it with your hand. Also check with torch and mirror. Any leak that big cannot hide.

JasonHebb 11-07-2012 12:07 AM

Cheers for the advice guys and thanks Tim96 and Hornhospital for getting my video up! I guess this will be an expensive trip to the mechanic as all I have is a load of screwdrives an adjustable wrench and a pair of dogs..

Nick323 11-07-2012 12:12 AM

You have more tools than most dealerships in Africa ;)

7pilot 11-07-2012 06:08 AM

I'd strongly suspect the water pump.
It would be easy to spot if it was coming out under pressure from the thermostat flange.


EASiii 11-07-2012 06:13 AM

My expansion tank on my E46 spang a leak and it was gushing alot when the engine was on and hot, slowed when engine was cold and when pressure was low.

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