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excess oil pressure after new breather 900

posted by  spook on  Thu Nov 17 22:12 CST 2016
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last visit: Fri Oct 24 08:06 CST 2014
[RELATED]

Dear j.pelchat,

Hope you're well. At the heart of the crankcase ventilation system is the brass nipple, on the side of the intake manifold closest to the fuel injectors. If this nipple is clogged, no vacuum is supplied to the crankcase ventilation system, even if the hose - from the brass nipple to the flame trap housing - is clear. You might want to remove the brass nipple and inspect it. If it is clogged, it can be cleared with a drill bit (1/8" / 3.5mm, if I recall correctly).

Further, are you sure that the hose - from the bottom of the flame trap housing to the top of the oil breather box - is seated fully on the top of the breather box?

Hope this helps.

Yours faithfully,

Spook






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