Front crankshaft front seal leak or something else? (B5254T3 T5) S40
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    1. #1
      Junior Member
      Join Date
      May 2020

      Front crankshaft front seal leak or something else? (B5254T3 T5) S40

      Hello. Recently spotted that oil started to dripping from the side of the engine, changed oil pump gasket, oil pump rubber seal and crankshaft seal with all OEM parts and after a week or so oil started dripping from the same spot again, it's like only few drops but still... Did I failed somehow to press the CS seal in or there is something specific about this engine?

      PS. Rubber diaphragm on PCV system is not damaged or cracked.

      Volvo S40 2005 T5 2.5T 162kW/217HP

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    3. #2
      Join Date
      Jan 2011
      It's probably coming from the cam seals. I've seen lots of cam seals leak and almost no front crank seals leak.
      2007 S40 T5

    4. #3
      Junior Member
      Join Date
      May 2020
      I'm 100% sure that is crankshaft seal, took of timing belt, cs sprocket and found oil.

      Changed seal to new one, lets see what happens, hoping for the best

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