2001 Deville overheating... block test OK - Page 2

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Northstar Engines and System Technical Discussion Discussion, 2001 Deville overheating... block test OK in Cadillac Engine Discussion; I had the same problem with my 01.. I know no caddy guy wants to hear it but my car ...
  1. #16
    AntCadillac is offline Cadillac Owners Member
    Automobile(s): 2001 Cadillac Deville and 1991 Cadillac Eldorado
    Join Date
    Jul 2013
    North Jersey
    I had the same problem with my 01.. I know no caddy guy wants to hear it but my car had bad head gaskets and stripped head bolts as well as some crank shaft problems.. Same exact problem! But i paid $5000 for the block to be re-machined from soup to nuts. Thermostat, gaskets, heads, etc. but my car runs great and i love it.. I don't want to say its head gaskets cuz it sucks but it may be.

  2. #17
    postman2000's Avatar
    postman2000 is offline Cadillac Owners Fanatic
    Automobile(s): 1996 STS 2000 Deville
    Join Date
    May 2009

    Re: 2001 Deville overheating... block test OK

    My 2000 Deville passed the block test but the head gaskets were bad..I did that test like 4 times and it never changed color...I dont think that test is all that reliable imho...I think that test would be best done at a higher Rpm. When my head gaskets went I could let the car idle for hours and the temp never went up..but as soon as I got on that gas pedal the car would overheat..

  3. #18
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
    Automobile(s): 14 SRX, 00 SLS, 99 Deville 50-year Anniversary
    Join Date
    Mar 2009
    Dallas, TX

    Re: 2001 Deville overheating... block test OK

    Make sure you have strong blue fluid.

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