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Northstar Engines and System Technical Discussion Discussion, 100,000+ questions in Cadillac Engine Technical Discussion; Just purchased a 98 Concours that has hit 102776. I was just wondering what the deal the the head bolts ...
  1. #1
    fristim is offline Cadillac Owners Fanatic
    Automobile(s): 98 Concours 212,000 orginal motor,trans
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    Jul 2003
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    Question 100,000+ questions

    Just purchased a 98 Concours that has hit 102776. I was just wondering what the deal the the head bolts pulling at 100,000+ miles is it normal for the head bolts to pull at that mileage or is a certain year of the North*. The car has been WELL maintianed, coolant flushes and all. I just got around to changing the plugs and the wires today. I noticed how ever that the plugs said PACKARD on them, is the OEM manufacture for the plug wires? I thought they would say delco or something like that on them.

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  3. #2
    El Dobro's Avatar
    El Dobro is offline Cadillac Owners Connoisseur
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    Packards are original wires.
    I guess mileage and maintenance don't matter to much when it comes to headbolts. Mine pulled at 60000. Luckily, the warranty covered it.

  4. #3
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V, 1994 Infiniti Q45
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    Re: 100,000+ questions

    It can be delayed by good maintenance, but mostly at some point in time they will pull..... It may be low (like 60k), or it might be 150k...... I guess it depends on the luck of the draw!!!!

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