98 deville low coolant level message
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 98 deville low coolant level message in Past Cadillac Vehicle Discussion; Happend fr first time last week low coolant light came on filled it up. Now one week later lights on ...
  1. #1
    Italia deville's Avatar
    Italia deville is offline Cadillac Owners Fanatic
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    98 deville low coolant level message

    Happend fr first time last week low coolant light came on filled it up. Now one week later lights on again collate is right below middle line runs 190 degrees most of time now sign of leakk


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    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: 98 deville low coolant level message

    Quote Originally Posted by Italia deville View Post
    Happend fr first time last week low coolant light came on filled it up. Now one week later lights on again collate is right below middle line runs 190 degrees most of time now sign of leakk
    ----------------------------------------
    IF the coolant was low - and you filled it -
    and is low again -
    you should PRAY there is a leak -
    and with the aid of a PRESSURE TEST KIT -
    you can find - and fix the leak -

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install a sound system
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    Re: 98 deville low coolant level message

    If the coolant is at the tank seam line (midseam) and the "Check Coolant Level" message shows, then the float is stuck or the sensor (reed switch) in the bottom of the surge tank is dead. A 2-pin plug in the bottom of the tank. Check it. If the coolant remains at the midseam and the message still shows, then you might be in the tank replacement business - Amazon Automotive - about $60 shipped, including the sensor.

    Remember - the proper coolant level, cold, is NOT "full"; it's at that tank midseam line.

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