Flushing radiator 98 deville

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Northstar Engines and System Technical Discussion Discussion, Flushing radiator 98 deville in Cadillac Engine Technical Discussion; Can anyone tell me how to drain the radiator on a 98 Deville?? Thanks for your help!!!!...
  1. #1
    rgtplus3 is offline Cadillac Owners Member
    Join Date
    Apr 2006

    Flushing radiator 98 deville

    Can anyone tell me how to drain the radiator on a 98 Deville?? Thanks for your help!!!!

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Woodstock Ill.

    Re: Flushing radiator 98 deville

    Open the drain plug under the left side of the radiator. There should be a small hole to get at it but it is difficult to reach. Make a tool like a 3/4" dowel rod with a slot cut in the end to help turn it, or just pull the lower hose. You'll have to remove the hose anyway to insert the sealant tabs (cooling system suppliment).

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