Re: [T3] Fuel in oil

["Craig Smith" <ijetski@iprimus.com.au>]

<x-charset windows-1255>I once had a pump (mechanical - carb motor) that leaked fuel into the
crankcase. It seemed to work OK, and I could not see any hole in the
diaphram, but replacing the pump fixed the problem.

----- Original Message -----
From: "Daniel Baum" <dbaum@isdn.net.il>
To: "Type 3 Mailing List" <type3@vwtype3.org>
Sent: Saturday, January 04, 2003 6:24 AM
Subject: Re: [T3] Fuel in oil


> I spoke to a friend of mine about this problem today. He apparently spent
> his youth building VW engines for a living ,and has owned some Beetles.
He's
> helped me work on my car sometimes.
>
> Anyway, he doesn't agree with the idea that fuel is leaking through the
> carbs into the sump. The only way this could happen, he says, is if my
> piston rings are worn, which he does not believe to be the case, as the
> engine doesn't burn oil. If petrol was leaking from the carbs, it would
> accumulate in the cylinder. Some of you have sounded as if this is what
you
> think too. This accumulation of petrol would cause pressure in the
cylinders
> which would burst the head, bend a rod, or whatever, as has been mentioned
> in previous postings.
>
> However, there is no doubt that petrol did find it's way into the sump.The
> oil that I drained absolutely reeked of it, and was very thin and runny.
>
> The only other way that petrol could get into the case is via the fuel
pump.
> Can I conclude that this changing the fuel pump would solve the problem?
If
> so, I would really like an original VW Type 3 fuel pump, rather than
another
> Brosol one. Does anyone have one?
>
> Is my (and his) reasoning correct, and is there any other possibility we
> haven't thought of?
>
>
> Regards,
>
> Daniel Baum
> 1969 Type 34 automatic
> http://www.qldesign.com/type34
>
>
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