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Scania r420(2007) white smoke problam - Cars & Trucks

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So little information given hard to know what you mean, but I will guess you mean white smoke from the exhaust. Usually, this is coolant getting to combustion chambers, so bad head gasket, cracked head or block. You can use a pressure tester on the cooling system to try to locate where the leak is. Pull all spark plugs and look for coolant getting into cylinder.

Posted on Mar 27, 2015

  • kamal Nightstar
    kamal Nightstar Oct 11, 2015

    White smoke mean more things
    1- turbo charge broken
    2-fresh diesel on the piston
    3- one of roker arms broken
    4- damage in one piston or more
    My friend you must explane what happened with you

  • David Harrelson
    David Harrelson Oct 12, 2015

    I did not see anything saying it was a diesel, nor a turbo. Never heard of a Scania, so my bad.


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