Quote:
Originally Posted by ngoma
The oil pickup tube has a long horizontal run and if its o-ring is losing its seal the oil can drain back out of the pickup tube.
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I want to correct this. The oil pickup tube has a paper gasket, not an o-ring. Not likely to fail, therefore not likely be the cause of oil drainback/extended oil press lamp at startup.
New thinking is that worn/sloppy oil press relief valve is the main cause for oil drainback.