Need help with overheat 425 Cadillac eldorado
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500, 472, 425, 368 Discussion, Need help with overheat 425 Cadillac eldorado in Cadillac Engine Technical Discussion; Hi all , I have Cadillac eldorado 1978 and ther is high prassur in in coolent line but coolent temperature ...
  1. #1
    alshaer is offline Cadillac Owners Member
    Automobile(s): Eldorado 1978
    Join Date
    Aug 2012
    Age
    37
    Posts
    4

    Need help with overheat 425 Cadillac eldorado

    Hi all ,
    I have Cadillac eldorado 1978 and ther is high prassur in in coolent line but coolent temperature light is off so,
    I need to now what's the range of 424 water temperature ?
    Is it normal the prassur in the coolent line ?
    Thanx

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  3. #2
    deVille33 is offline Cadillac Owners Connoisseur
    Automobile(s): 1977 Coupe (blue), 1977 Coupe (yellow), 1977 Coupe (green)
    Join Date
    Mar 2006
    Location
    Western Massachusetts
    Posts
    1,380

    Re: Need help with overheat 425 Cadillac eldorado

    The 425 uses a 16 # pressure cap. Check your cap. The seal on the cap can fail and allow the radiator to overflow.

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