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  1. M

    Coolant flowing into crankcase

    So today I pulled oil cooler and blocked coolant passages from water pump to oil cooler and from oil cooler to engine block and still leaking into crankcase
  2. M

    Coolant flowing into crankcase

    I do see signs of oil in coolant the jug is stained black. I am going to pull water pump tomorrow and check it
  3. M

    Coolant flowing into crankcase

    I just bought my first diesel yesterday a 2005 chevy 3500 4x4 4 door duramax I have been wanting a diesel for a while but did not have 10k to throw down on one so got a project. The truck has 300k miles but all it's life it ran up and down east cost delivering signs large store front signs. The...
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