My V70T5M just had PCV induced oil seal failure on high mileage engine. Fix or swap?
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    1. #1
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      My V70T5M just had PCV induced oil seal failure on high mileage engine. Fix or swap?

      My fault for not servicing PCV, but my engine dumped all its oil out today. Managed to pull over and shut down very quickly. Engine has 230k on it and other than some piston slap when cold, has great compression and doesn't use any oil. There are no local Volvo shops around, but local jack-of-all-trades can probably fix (hopefully camshaft) seal and PCV. Don't have an estimate yet, but assuming US$1500 parts & labor.

      I just noticed a B5234T9 online with less than 50K miles for $2000. No idea how much labor is involved in swap, or if the T9 can be swapped for a T3 in my car, but was wondering if I should just replace the engine. I'm probably due a clutch soon as well, It's been forever.

      Since there are very few nice manual transmission wagons out there at any price, and mine is otherwise in pretty nice shape, I don't mind spending the money, but I'd like to make the smart choice here.

      Any Thoughts?
      2010 V50 T5M R-design Titanium Gray Metallic (the little one)
      2003 V70 T5M Titanium Gray Metallic (the big one)

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    3. #2
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      If you don't have a knock I'd slap some cam seals on it and replace the PCV system with the updated banjo bolt. Way easier and cheaper than swapping an engine.
      04 V70R Flash Green/Atacama6MT

    4. #3
      Senior Member ScottishBrick's Avatar
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      Likely cam seals.

      2k is a bit high for a T9 engine. It should be a nearly direct plug and play, likely some little fiddly bits that haven’t been figured out with p80 to p2 swap yet like what coolant lines to use.


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    6. #4
      Junior Member rocketscience55's Avatar
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      See if there is oil on top of the transmission. When my 850 PCV failed and pushed out my cam seals I had a lot of oil on top of the transmission which helped me determine that I had not blown the rear main seal. PCV also is not super difficult to do yourself if you watch the FCP videos. I say fix.
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    7. #5
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      All the oil was coming out from behind the timing belt cover on the side opposite the transmission.

      Quote Originally Posted by rocketscience55 View Post
      See if there is oil on top of the transmission. When my 850 PCV failed and pushed out my cam seals I had a lot of oil on top of the transmission which helped me determine that I had not blown the rear main seal. PCV also is not super difficult to do yourself if you watch the FCP videos. I say fix.
      2010 V50 T5M R-design Titanium Gray Metallic (the little one)
      2003 V70 T5M Titanium Gray Metallic (the big one)

    8. #6
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      Are there any "while you're at it" things to do? I think I've got a long time until timing belt is due, but might as well, how about water pump, etc?
      2010 V50 T5M R-design Titanium Gray Metallic (the little one)
      2003 V70 T5M Titanium Gray Metallic (the big one)

    9. #7
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      Swap the seals and call it a day. These engines are tanks.

      If you are doing the timing belt might as well do water pump and tensioner.

    10. #8
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      Could also be the crankshaft seal which is a much easier and cheaper job. That's where mine started leaking. Note I did not have the same catastrophic failure.
      01 v70 2.4T

    11. #9
      Junior Member rocketscience55's Avatar
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      Quote Originally Posted by Neve View Post
      Are there any "while you're at it" things to do? I think I've got a long time until timing belt is due, but might as well, how about water pump, etc?
      If the oil is coming from behind the timing cover it could be a cam seal on that side. Either way I would recommend replacing the timing belt because I believe to replace those seals you'll need to take off the belt anyway. Also its never a bad idea to replace the tensioners and water pump at the same time, assuming they're not brand new. So for this I'd replace, Seal, PCV, Timing belt, water pump and tensioner.

      2019 XC40 T4 FWD, Momentum with Premium and Vision Package - Hers
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      2000 C70 Convertible 5sp HPT, SOLD 2011

    12. #10
      Senior Member ZZZZZZZ's Avatar
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      All of the above. May as well inspect and replace some hoses at that mileage too.
      Quote Originally Posted by Neve View Post
      Are there any "while you're at it" things to do? I think I've got a long time until timing belt is due, but might as well, how about water pump, etc?
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