97 N* low oil pressure light flickering
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Northstar Engines and System Technical Discussion Discussion, 97 N* low oil pressure light flickering in Cadillac Engine Technical Discussion; I have a 97 deville concours. It has 120,000 miles on it and the Cadillac mechanic is saying get rid ...
  1. #1
    gtstingray is offline Cadillac Owners Member
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    97 N* low oil pressure light flickering

    I have a 97 deville concours. It has 120,000 miles on it and the Cadillac mechanic is saying get rid of it. This car has been well maintained at Cadillac and had a GMPP warranty to 100,000 miles. It is a great car except for this issue just arising. The mechanic says it could be a sign of bearing wear. I do not want to get rid of car if there is nothing major wrong. I have changed the oil pressure sensor....it was leaking. I have always run 10W-30 in the car. The light flickers intermittantly when Hot outside.. a new occurance. I live in the south. Any suggestions? I have seen the other posts but am unsure of what to do........change the sensor again...run Rottella 15W-40 in it or sell! Thanks for the guidance.

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  3. #2
    gtstingray is offline Cadillac Owners Member
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    Re: 97 N* low oil pressure light flickering

    1 add-on. It only flickers at an idle when hot and only sparadically.

  4. #3
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: 97 N* low oil pressure light flickering

    Make sure the replacement sensor was a genuine Cadillac part. If so, then go the Rotella route.

  5. #4
    gtstingray is offline Cadillac Owners Member
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    Re: 97 N* low oil pressure light flickering

    Thanks for the response. I will check the brand of the sensor.....pretty sure it was AC Delco

  6. #5
    BeelzeBob's Avatar
    BeelzeBob is offline I'm a Cadillac Fanatic!
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    Re: 97 N* low oil pressure light flickering

    I think I replied to this on another post somewhere....hmm... http://www.cadillacforums.com/forums...ad.php?t=45031

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