Oil pressure?

Bernie Benz b.benz at charter.net
Wed Jan 23 07:20:05 PST 2008

Right on, Bret.

If there is oil in the distributor one has excessive crankcase  
pressure. Blowby and/ or breather problems. The distrubutor has no  
mechanical shaft seal, just a reverse spiral grooved shaft.


On Jan 22, 2008, at 8:53 PM, Brett Dikeman wrote:

> On Jan 22, 2008, at 11:37 PM, Matthew Barrett wrote:
>> Good to know what's normal behavior for the gauge and what isn't.
>> Gives me another weekend project. As far as the power steering fluid
>> goes, its full of Pentosin CHF11s. That's one thing Derek made sure
>> to mention when I purchased the car.
> For some alternatives, see http://www.audifans.com/kb/Pentosin
>> As far as oil consumption, I will probably investigate Derek's idea
>> about the stem seals/valve guides further, but as I have been
>> looking around in the engine compartment I noticed a coating of oil
>> on the bottom of the distributor
> Check the crankcase breather system- if the crankcase becomes
> pressurized, this reportedly can cause oil to blow out through the
> distributor.  The hose could be collapsed, for example- they degrade
> with age and eventually turn to a squishy mess that folds in on
> itself. There's also a copper squiggle flash arrestor, and two valves
> (one is by the passenger side corner of the head- a 90 degree plastic
> jobbie with a flat-top head.)
> Once you figure out what's causing it, take off the cap and degrease
> it and the rotor.
> ~Brett
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