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TheTwelveQuidKid · 09-01-08, 08:46 PM

I had a mystery water loss on my old BMW 525e last year. As with this, there were no obvious signs of a leak anywhere. The only clue was this. When reversing the car out of the drive (after it had been parked up overnight) there was a small trail of water, which seemed to come from the bellhousing. I can only guess, because I didn't investigate further, that it may have been one of the core plugs on the rear of the engine block, which was only accessible with the gearbox removed. Because it wasn't losing much water (less than a pint a week) I didn't bother about it.

I've always been wary about using radweld after it blocked the thermostat in a 1.6 Audi.

09-01-08, 08:46 PM	#4
TheTwelveQuidKid Grown up member Join Date: Dec 2007 Posts: 422	I had a mystery water loss on my old BMW 525e last year. As with this, there were no obvious signs of a leak anywhere. The only clue was this. When reversing the car out of the drive (after it had been parked up overnight) there was a small trail of water, which seemed to come from the bellhousing. I can only guess, because I didn't investigate further, that it may have been one of the core plugs on the rear of the engine block, which was only accessible with the gearbox removed. Because it wasn't losing much water (less than a pint a week) I didn't bother about it. I've always been wary about using radweld after it blocked the thermostat in a 1.6 Audi.