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Thread: Radiator Hoses and Thermostats and ?

  1. #1

    Default Radiator Hoses and Thermostats and ?

    It's time to change/flush the coolant, hoses, and thermos. I've searched as best as I can, but can't find too much specifically about part numbers and such. Where is a good place to buy the parts I need? NAPA? dealer? What parts do I need? I know I need upper, lower rad hoses, and tsat's. But are there seals or gaskets that should be replaced as well? If you have part numbers that would be great. I think I understand the flushing / bleeding procedure. It's in the owners manual, isn't it? It's a 2001 Duramax.
    Thanks Guys,
    Jim

  2. #2
    Join Date
    Feb 2000
    Location
    Montana
    Posts
    11,382

    Lightbulb

    I'd stick with GM parts. The lower hose assembly costs about $130. All spring and screw clamps are included with a new hose.

    Use Dex-Cool mixed 50/50 with distilled or de-ionized water. Somewhere here in this 6600 forum is a thread/post with a pic I posted showing the coolant drain plug locations on the block.

    Jim

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