Hi Michael,

I had a somewhat similar situation with a diesel motor.  The cause was a stuck pressure relief valve in the oil pump.

--

On Mon, 22 Apr 2002 08:31:54
 Thompson, Michael wrote:
>Dear All
>
>I have purchased an 81 Westy with an aircooled engine. The engine has had
>
>the following work done by a VW garage in the last 6 months:
>
>* All Pushrod tube seals replace
>
>* Rear main seal
>
>* Rocker boxes and seals replaced
>
>* Oil change
>
>The engine is reported to have blowby, but this does not affect the starting
>
>or running and it does not appear to burn too much oil (very faint blue
>
>smoke). The engine has done about 100,000 miles.
>
>Unfortunately, the engine still leaks excessive amounts of oil, and
>
>following shampooing and driving for about 25km is appearing as follows:
>
>* Dripping from oil filter base
>
>* Dripping from base of cast fan housing
>
>* tracking along pushrod tubes
>
>* slight leak from filler tube base
>
>As there are so many leaks it would seem to me that pressure is building in
>
>the case and 'blowing' oil out. It has been back to the garage where the
>
>work was carried out and they say they 'cannot, honestly find where the oil
>
>is coming from'. HELP. Could there be a problem with the crankcase
>
>breather system - the garage says that the blowby is not too much, but I am
>
>not sure.
>
>Regards
>
>Michael Thompson
>

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