Mechanics

NISSAN MICRA ENGINE PROBLEM

2004 Nissan Micra • 52,000 miles

My 2004 Micra SR Auto is losing engine oil. There is a build up of pressure in the crankcase when the engine is running: when I switch off the engine and remove the dipstick there is a fairly strong release of pressure, the same with the oil filler cap. I can't locate the engine breather which (in the old days) was a simple pipe into the air filter housing. Should the crankcase be relatively pressure free?
The oil appears to be coming from the rear main oil seal that was changed some months back.
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Guest
October 22, 2012.



Inspect/Test the PCV ( Positive Crankcase Ventilation ) valve -start here

Rasmataz
Oct 22, 2012.