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.

Oil leak but can't locate

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  #1  
Old 07-27-2009, 09:54 AM
Saleen9090's Avatar
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Default Oil leak but can't locate

Hey guys,

Oil is being leaked onto my cat and because that is the hottest part of the exhaust, it burns the oil giving off a terrible smell. I am burning about a quart every 300-400 miles.

My brother just replaced the oil return lines and gasket from the turbo so that is definitely a culprit, however, he believes it is leaking from the oil pan.

It seems like these leaks are coming about by an overpressurized oil system for which I know I need a new PCV soon. I am fearful of replacing tho because if the car does sell like my bro wants it to, a new PCV is a waste of my money. But all that is another story

Do 850's commonly spring leaks from the pan? If it is the pan, how do I go about fixing?
 
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Old 07-27-2009, 10:59 AM
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that is a pretty good leak.

It could be that your bro didn't tighten the oil lines to and from the turbo when he did the maintenace?

could very well be the PCV.

I would Wipe the pan and cat clean. after you wipe it, rub your finger across the pan gasket, look for fresh oil, same for the turbo. then turn the car on and look under to see if you can see anything leaking from the pan or turbo. You should be able to see a leak like if it is that bad.
 
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Old 07-27-2009, 11:32 AM
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Also check if he forgot or dropped one of the 2 benzo(crushable) washers per oil connection (bolt type) on the two lines on the turbo. I guess 1 line is for 'oil IN' and other is for 'coolant'.
 
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