PerformanceTrucks.net Forums - oil filter bypass valve function

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1SloLQ9

12-05-2014 05:52 PM

oil filter bypass valve function

Hi, wondering what the bypass valve in the filter housing on the block does exactly? On lq9 engine. And if it's not operating correctly could it cause low oil pressure on a cold engine

GREENSIERRA

12-05-2014 08:09 PM

mine was stuck and I wouldn't get any pressure.
took the filter off and pushed it in and out a couple times, problem solved

1SloLQ9

12-05-2014 08:10 PM

Alright. I pushed mine in and out it seems fine. I have low oil pressure when engine is cold.

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