Over heating problem
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Over heating problem in Past Cadillac Vehicle Discussion; I went to get an oil leak fixed, and was told the head gaskets were also bad. Now after the ...
  1. #1
    EldoradoETC1998 is offline Cadillac Owners Member
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    Over heating problem

    I went to get an oil leak fixed, and was told the head gaskets were also bad. Now after the repair it overheated and I was told it was the overflow that was clogged. Next time the Temp. gauge went from 185 to 220 but went down to 185 before boiling over. I took it back and now the radiator was replaced but am being told that its normal for the temp. gauge to go from 185 to 220. I called a Cadillac dealer and am told that's not normal. I told the owner of the repair shop but he said he is finished working on my car and now the 1 year written warranty means nothing. Any ideas before I take it to an authorized dealership to find out why this is happening.


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    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: Over heating problem

    Read the sticky posts at the top of the Engines, Northstar Performance forum threads. It's all in there, several times. Everything from engine failures to coolant to temp gauge operation.

    With no A/C compressor function set, the fans are controlled by the ECT sensor, so fans do not even run in traffic until the temp hits 224. With some function set that calls for the A/C compressor to run, fans run in SLOW all the time, so the temp gauge shold sit at about 12 o'clock - 190 to 210.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Over heating problem

    Have you checked the purge line to be sure it is clear and flows coolant?

  5. #4
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
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    Re: Over heating problem

    Quote Originally Posted by EldoradoETC1998 View Post
    I called a Cadillac dealer and am told that's not normal.
    Your Cadillac dealer is wrong.

  6. #5
    Tankboy40's Avatar
    Tankboy40 is offline Cadillac Owners Fanatic
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    Re: Over heating problem

    Quote Originally Posted by EldoradoETC1998 View Post
    I went to get an oil leak fixed, and was told the head gaskets were also bad. Now after the repair it overheated and I was told it was the overflow that was clogged. Next time the Temp. gauge went from 185 to 220 but went down to 185 before boiling over. I took it back and now the radiator was replaced but am being told that its normal for the temp. gauge to go from 185 to 220. I called a Cadillac dealer and am told that's not normal. I told the owner of the repair shop but he said he is finished working on my car and now the 1 year written warranty means nothing. Any ideas before I take it to an authorized dealership to find out why this is happening.
    What a loser.

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