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Replace cam seals at 140k miles? S70 1998

posted by  dick on  Fri Mar 16 18:16 CST 2012
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last visit: Sun Aug 3 15:24 CST 2014
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Almost ready to start the major belt, water pump etc. change. No leaks noted on any seals but wonder if I should do the seals also? Also noted this uses the newer belt tension device which I have not done before. New experiences and fun?

dick








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    Replace cam seals at 140k miles? S70 1998

    posted by  v70nar on  Wed Mar 28 15:32 CST 2012
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    Just replaced my belt, tensioner, idler pully, and water pump. My cam seals were just starting to leak(178K)so replaced with volvo oem, 12 dollars each from dealer. Inspect the seals if they are starting to weep replace them.








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    ANSWER Replace cam seals at 140k miles? S70 1998

    posted by  KlausC on  Fri Mar 16 21:54 CST 2012
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    Leave the seal alone! Do not touch them. They only leak when the crankcase pressure gets too high.

    The manual tensioner gets set according to ambient temperature, do this before installing.

    Klaus
    --
    There is no present time, just the past and future

    This post has been marked as an answer to the original question.



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      Replace cam seals at 140k miles? S70 1998

      posted by  Chris Mullet on  Mon Mar 19 15:57 CST 2012
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      "...The manual tensioner gets set according to ambient temperature, do this before installing..."

      Are you're talking about this type of tensioner?

      http://www.fcpgroton.com/product-exec/product_id/7998/nm/Volvo_V70_Timing_Belt_Tensioner_Automatic_Tensioner_/category_id/201

      If so, how do you set it before installing? The mounting bolt is what locks it down.








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        Replace cam seals at 140k miles? S70 1998

        posted by  KlausC on  Mon Mar 19 16:35 CST 2012
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        http://volvospeed.com/volvo_repairs_how_tos/engine_repairs/manual_tensioner_adjustment.html
        --
        There is no present time, just the past and future








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          Replace cam seals at 140k miles? S70 1998

          posted by  Chris Mullet on  Mon Mar 19 20:33 CST 2012
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          last visit: Fri Oct 24 09:08 CST 2014
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          Yes, I agree that's the adjustment procedure. My point is that you can notmake the adjustment BEFORE installing as you indicated. You can only make the final adjustment after it's hanging on the engine and the belt is pressing against it.







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