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Posted by Chris Case [75.36.44.119] on Tuesday, July 12, 2011 at 14:40:53 :
In Reply to: oil filter headache posted by Fred on Whidbey [24.143.111.139] on Tuesday, July 12, 2011 at 12:09:57 :
The gasket and filter ought to be able to handle those pressures. Unless there is a prob with the center, not allowing the filter to screw on all the way down.
Check you gauge too?
And yes, there is a 'blockage' in the system, that is the way the relief valve works. The filter system is blocked off unless the pressure valve reaches design pressure. The it has tow stages of relief- one, opens the filter system to flow, back to the pan. Two, under higher flow, opens a further by-pass directly into the pan.
I think those pressure are a but high, isn't 20 psi at idle OK? Check you relief valve, it is a spring and plunger under the cap, just ahead of the starter butt.
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