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  1. Possible Cooling Issues - Need Advice

    01-04.5 LB7 Duramax Powertrain
    I'm not sure if I'm just being paranoid or if I'm really starting to have some issues. I've noticed lately that my operating temps (oil and tranny) stay around 210 (oil) and 200* (tranny). I know that these are "normal" operating temps and I expect it when it is 90* + outside. My concern is...