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  1. Water pump & t-stat: sealant? Or no sealant?

    Cadillac DTS Forum 2006 through 2011
    Greetings all, I'm working on changing the water pump (and all which that entails) on a 2008 DTS. I'm ready to begin reassembly but want to hear it from the folks "in the know"...folks in the forums tend to have knowledge in spades. On the water pump itself, as it slides into the housing &...