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XC70 oil cooler V70-XC70

posted by  stonybrook on  Wed Sep 25 06:59 CST 2013
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last visit: Sat Sep 6 12:30 CST 2014
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Is the oil cooler the small box surrounded be a black plastic band mounted to the rear of the oil pan. If yes, do the lines from it carry coolant to the pan, or carry oil to the radiator? I am trying to fins a leak of oil.
When I clean everything I dont see a leak. But I think at higer RPM it starts to leak. Back window is gunky from oil mist.








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    XC70 oil cooler V70-XC70

    posted by  stonybrook on  Wed Sep 25 07:14 CST 2013
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    last visit: Sat Sep 6 12:30 CST 2014
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    Also, Do the lines even go all the way to the radiator, or do they find some spot on the block to interface with coolant. I would love to remove rear heat shield, but I am afraid the bolts will snap off, they are very old and brittle looking. The ones with springs between the heads and the shield.

    If they carry oil, what kind of pressure is it under? I think the rubber hoses that connect to my oil cooler are not stock, the look like soft rubber heater hoses cut to length. I fear that if the pressure is high enough, oil might be spraying out in a fine mist.








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      XC70 oil cooler V70-XC70

      posted by  stonybrook on  Wed Sep 25 07:44 CST 2013
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      I just found this in an old post

      On 99 and newer there are no oil cooler lines. The oil is pumped directly to the cooling device attached to the back side of the oil pan. Coolant lines are attached to this. No more hoses going to the side of the radiator.

      Can anyone vouch for this on a 99 XC70








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        XC70 oil cooler V70-XC70

        posted by  KlausC on  Wed Sep 25 09:57 CST 2013
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        last visit: Fri Oct 24 10:15 CST 2014
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        This should solve your dilema:

        http://www.ipdusa.com/prodtype.asp?numRecordPosition=0&SEARCHWORDS=oil+cooler

        Correct, the oil cooler is attached to the sump and not the radiator. If it is leaking, the oil pressure can exceed 60psi until the oil gets hot. The hotter the oil the lower the pressure, like 30psi for a hot engine.






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