Of it has a cooler, it should have a thermostat in the oil filter
base. It should open at 120C, and you will have to pull the housing
to get to the thermostat (great time to replace that leaky gasket
there!)
--
John W Reames
jwrea...@comcast.net
Home: +14106646986
Mobile: +14437915905
On Jan 7, 2010, at 3:22, ernest breakfield <erne...@backyardengineering.org
> wrote:
hi Peter!
i need to confirm the presence of such an oil thermostat in our
617, but i'm not seeing any difference in oil pressures once the
things warms up, regardless of ambient temps.
again, since this symptom only seems to occur when running BioD
and isn't exclusive to my vehicle, and since operating temps and
pressures indicate normally when running #2, i'm not really looking
for a mechanical problem... but i'll check. thanks for the feedback!
cheers!
e
Peter Frederick wrote:
There is a thermostat in the oil cooler system (in the oil filter
housing, I think) and if it fails, the engine will overcool.
If your oil pressure is higher at idle in cold weather than when
it's warm, this could be a problem.
Peter /mercedes_okiebenz.com
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