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New member needs oil leak help

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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mtrdrms
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New member needs oil leak help

Post by mtrdrms » Thu Feb 04, 2016 5:40 pm

Hello! Long time reader first time poster. I have a fantastic 98 v70 glt that has developed a bit of a leak. I see some of the other members with major leaks so I'm a bit ashamed to be posting this but I have some oil making its way onto the turbo/exhaust while driving and the smell is constantly reminding me to fix this.

I've tried to add pics to this post but the files are too large so I'll try to describe it. It's coming from the area high on the rear drivers side of the engine. The turbo oil lines look dry and I just replaced the rear cams seals. What else is there to check?

Thanks a bunch - love the site!

Andy
Last edited by mtrdrms on Thu Feb 04, 2016 6:55 pm, edited 1 time in total.

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kahl

Re: New member needs oil leak help

Post by kahl » Thu Feb 04, 2016 6:38 pm

Have you done a glove test to evaluate the status of your PCV system? Why were the rear cam shaft seals changed? If they were pushed out and you did not service the PCV system you are back where you started.

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Re: New member needs oil leak help

Post by mtrdrms » Thu Feb 04, 2016 6:59 pm

I have not done a glove test but the pcv system was cleaned about 70k ago. I replaced the seals because I thought they were the cause of the leak. I will try the glove test tomorrow.

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Re: New member needs oil leak help

Post by kahl » Thu Feb 04, 2016 7:03 pm

One of the symptoms of a failed PCV would be the rear seals being pushed out by the crank case pressure.

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Re: New member needs oil leak help

Post by abscate » Fri Feb 05, 2016 4:04 am

Save your pics in lower res and let's have at them...
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Re: New member needs oil leak help

Post by benpineapple » Fri Feb 05, 2016 7:41 am

When I bought my 98 V70 it would constantly leak (only while driving), and would smell like burning oil, despite no white smoke out the tailpipe. Ended up being that the PCV system needed replacing. You mention it was done 70k ago, unfortunately I believe the system's shelf life is 60k or so.
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Re: New member needs oil leak help

Post by kippster41493 » Fri Feb 05, 2016 8:04 am

Did you check the oil cap seal? Oil will leak out of the there, seep its way over the cam cover (around the spark plug wires) and out a little notch cut out on the back of the cam cover on the driver side right above the heat shield. This way you know if its leaking by the burning smell. Take the spark plug cover off, if you see oil under the cover, just try the oil cap seal.
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Re: New member needs oil leak help

Post by obayha » Fri Feb 05, 2016 8:06 am

When properly maintained, the PCV system can go for a lot longer than 60,000 miles. I purchased mine from the mechanic that maintained it from the original owner, and he said he had never done a PCV replacement on it and it is now at 186,000 miles.
Regardless, it does sound like you may have a failure of that system. Pull the plastic cover from the plug area and have a look. If it shows oil sitting around waiting to spill onto your exhaust, then I would thing PCV again.
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Re: New member needs oil leak help

Post by charleskennedy23 » Fri Feb 05, 2016 8:18 am

Glove test takes less than a minute... See Robert DIY's Video on YouTube. Do that and see if PCV is clogged. Even if the glove test goes well I'd still consider doing the PCV system. As I understand it 60-70k is the recommended service interval for the PCV. If it has been that long then I'd consider doing it since blowing a rear main seal could be castrophic (repair cost by my local Indy is over $1,000). My course of action would be PCV, rear cam seals, turbo return line gasket, then start using a high mileage oil like valvoline max life and see what happens. That's what I did when I had the same problem and over a year later no more oil leaks and the car isn't even burning that much oil! I also added some bars rear main seal to the oil but that was before I did the real cam seal and changed to the valvoline max life oil.

Keep us posted and I hope all this advice is helpful.
Charles Kennedy
"HAGRID": Black '98 Volvo V70 T5

mtrdrms
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Re: New member needs oil leak help

Post by mtrdrms » Fri Feb 05, 2016 8:37 pm

Thank you all for the replies. The car failed the glove test. It wasn't too bad but the glove was moving. I hope the cam seals I just replaced aren't leaking!
The oil cap seal is leaking and there is oil under the coil cover.
I ordered the OE volvo kit from fcp and tore it all down today (I'm a teacher and we had a snow day:). The lines connecting the turbo and the manifold seemed blocked. I'll post results when the job is done.
After looking back at my records, there is also 70k on the timing belt so I guess I'll be busy next weekend...

Thanks again.

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