Question about 1994 Volvo 850
Leaking oil from the oil filler cap...
Hi guys, I'm new here, and am having this same problem with 1994 Volvo 850 5 cyl 20 valve non-turbo engine. According to everything I can get my hands on, this engine doesn't have a PCV system... so... now what?
Posted on Apr 06, 2013
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Posted on Jan 02, 2017
A bit of splash is normal from the slight backpressure created when the pistons go down in any engine, but might also be due to clogged PCV valve. Put the cap back on and pull the dipstick and see if you hear constant hsssssss from there, or if the oil splashing abates from the Fill hole.
As a rule, you are not supposed to open that with the engine running ;-) Very messy on a nice Volvo
My money is on the PCV valve (Positive Crankcase Ventilator ($3.00-20.00)
Posted on Mar 26, 2009
This is a serious problem. with a fairly easy fix.
First ensure that the engine is not out of oil.
You are looking for a Positive crank case ventilation valve, Seek professional help at your parts store, they should be more than happy to point it out the valve for you..
Recommend you replace it and the hose attached.
Unless you have a serious engine malfunction this will clear the oil coming out of the Dip stick.
These engines do tend to produce a lot of blow by but we all agree with your needed course of action to replace the valve.
Posted on Feb 14, 2010
Your PCV / Oil trap is likely clogged. I have had some luck running Mobile 1 Synthetic oil and half a can of seafoam in the engine oil to clean things up but it is likely that you will have to replace the pcv system.
Posted on Mar 16, 2010
switch on door panel
Posted on Mar 19, 2010
Testimonial: "Thank you for the help, as I am in Australia I think it will be hard to get the fob, we live 500k from the nearest city."
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