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  1. 6.5L Diesel Engine
    How difficult is it to change the block heater in our trucks? I tried starting mine this morning and will try start run a second or 2 and die. I had it plugged in but I suspect the heater or possibly the cord has given up the ghost. It was -1 with a real feel of -29 so it was pretty cold. I...
  2. Duramax Second Generation: 2004.5-2005 (LLY)
    I have a 2004 GMC Sierra 2500HD with the Duramax LLY engine. I live in New Mexico, so nights generally run about 20 degrees or so outside at night. When I drive to work, my truck never reaches operating temperature. It will get to 160 degrees or so. I have heard that it's hard on an engine...
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