Car is over heating?
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Northstar Engines and System Technical Discussion Discussion, Car is over heating? in Cadillac Engine Technical Discussion; Hi , My 96 seville just the last day or 2 started overheating. Checked the coolant its full.Coolant was recently ...
  1. #1
    mikeheid is offline Cadillac Owners Fanatic
    Automobile(s): 1996 seville sts
    Join Date
    Feb 2007
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    Car is over heating?

    Hi ,
    My 96 seville just the last day or 2 started overheating.
    Checked the coolant its full.Coolant was recently changed About a year ago also.
    Just now changed the thermostat.Drove around the block and it started overheating again.
    Checked for leaks do not see it leaking anywhere!
    Every time i start the car my check coolant level light is on but coolant is full.
    Do you think my water pump is shot?
    Or what else can i look for?

    Thanks
    Mike

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  3. #2
    mikeheid is offline Cadillac Owners Fanatic
    Automobile(s): 1996 seville sts
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    Re: Car is over heating?

    Car Has 108,000 miles on it also if this helps at all!

    Thanks

  4. #3
    krimson_cardnal's Avatar
    krimson_cardnal is offline Cadillac Owners Enthusiast
    Automobile(s): 96DeVille
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    Re: Car is over heating?

    What means over heating? Check purge line. Bad sensor will give false check coolant level. Search search search over heating issues here and NorthStar Performance and Tech forum. K_C

  5. #4
    mikeheid is offline Cadillac Owners Fanatic
    Automobile(s): 1996 seville sts
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    Re: Car is over heating?

    We'll my temp gage was to the right and my coolant temp got to 255.
    The fans kicked in but didn't seem to help.

    Mike

  6. #5
    krimson_cardnal's Avatar
    krimson_cardnal is offline Cadillac Owners Enthusiast
    Automobile(s): 96DeVille
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    Re: Car is over heating?

    Check the purge line. If you've just had the system open for the thermo change it could be air locked. K_C

  7. #6
    mikeheid is offline Cadillac Owners Fanatic
    Automobile(s): 1996 seville sts
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    Re: Car is over heating?

    Hi Thanks for the reply!
    Can you tell me where exactly is the purge line for my car?
    And what exactly does the purge line do?
    Thanks

  8. #7
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Car is over heating?

    The purge line purges air from the system. Do a search for purge line. It has been discussed many times.

  9. #8
    Destroyer's Avatar
    Destroyer is offline Cadillac Owners Master
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    Re: Car is over heating?

    I'm looking into my crystal ball....................................screw the purge line, its head gaskets. Torture yourself and spend more money hoping its something else only to find its the inevitable. Good luck to you.

  10. #9
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
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    Re: Car is over heating?

    Every time i start the car my check coolant level light is on but coolant is full.

    Checked for leaks do not see it leaking anywhere!


    That doesn't sound like a head gasket to me...

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