Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

leaking oil

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  #1  
Old 06-18-2007, 09:59 PM
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Default leaking oil


 
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Old 06-18-2007, 10:15 PM
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Default RE: leaking oil




Solately i have been going through a lot of oil thought it was a leak but nope so finally i deciede to look in the spark plugs walls and what do i find oil on top ofcam cover what could be the problem [align=right][/align]





 
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Old 06-18-2007, 10:24 PM
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Default RE: leaking oil

My bet is a clogged PCV system
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Old 06-19-2007, 08:50 AM
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Default RE: leaking oil

What is the PCV system
 
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Old 06-19-2007, 10:11 AM
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Default RE: leaking oil

Positive Crankcase Ventilation System. It allows pressure to not build up. If you have too much pressure, your rear main seal could pop out, and then it becomes a major PITA.
 
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Old 06-19-2007, 11:44 AM
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Default RE: leaking oil

That would be my quess also. I've got the kit to do my PCV System, but have not got around to it yet. Looks like about three hours worth of work for me. Have to take the intake manifold off to do the job.
 
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Old 06-19-2007, 11:57 AM
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Default RE: leaking oil

is it hard to correct
 
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Old 06-19-2007, 02:05 PM
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Default RE: leaking oil

It looks to be somewhat difficult. You have to be fairly mechanical to start pulling off your intake manifold. I'm not a mechanic by any means, but I feel I can to this job myself, because I worked with my son in law when we took the head off.
 
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Old 06-20-2007, 01:45 PM
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Default RE: leaking oil

Definatly the pcv system. I would replace it as quickly as possible. Oil will push out seals and destroy them to get the pressure out. Luckily for you the oil fill cap vented first. My car's rear main was the victim from my pcv going out.
You have to take off the intake manifold to replce the pcv system. It isn't too difficult of a job, just time consuming. It took me about 4 hours.

Nick
 
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Old 06-21-2007, 10:23 AM
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Default RE: leaking oil

After the intake manifold is off what do i do next

 
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Old 06-21-2007, 11:25 AM
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Default RE: leaking oil

Here is a link to some pictures of what to do:

http://volvospeed.com/vs_forum/index...howtopic=29650
 
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