Northstar - any thoughts or advice ????
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  • 2 Post By codewize
  • 2 Post By Submariner409
Northstar Engines and System Technical Discussion Discussion, Northstar - any thoughts or advice ???? in Cadillac Engine Technical Discussion; Hello all, Can anyone give me the lowdown on the northstar? I have heard both sides, but looking for more ...
  1. #1
    joanscar is offline Cadillac Owners Member
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    Northstar - any thoughts or advice ????

    Hello all,
    Can anyone give me the lowdown on the northstar? I have heard both sides, but looking for more info. I am looking at a 1998 deville.
    THanks

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  3. #2
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Northstar

    everything you could possibly want to know
    about the Northstar motor can be found here:
    http://www.cadillacforums.com/forums...al-discussion/

  4. #3
    blalockchiro's Avatar
    blalockchiro is offline Cadillac Owners Fanatic
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    i have a 97 basic deville with a N* V8, i have had the car for 15 months now. i bought it with 103,000 miles on it. the car itself has been excellent, great ride. i did all the basic maintence stuff when u got it. the only major problem i have had is the water system. the water pump went out, changed, the radiator started leaking...changed...then at the beginning of the past summer it major overheated...i had to tighten all the hoses....and that is it,,,the best thing is, the car will tell u what is wrong with it by codes...best car i have ever bought!!!!!!

  5. #4
    Slipgate is offline Cadillac Owners Enthusiast
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    Re: Northstar

    98 is what I have. I got it with no knowledge of the N*'s issues. The guy that sold it to me thought it had a blown head gasket which he did not tell me about. It turns out it had a leaking water pump and a rusted out metal crossover pipe that goes behind the engine. Water pump cost me $300 to have done and I bypassed the metal pipe for $40. I have put around 20k miles on it with no real issues beyond what I initially did. I did replace all 4 wheels due to air leaking out from rusted beads (common issue), all 4 rotors and pads, a new battery, and the drivers door window motor. It is my daily driver at this point.

    Major Design Flaws/PITAs:
    Coolant parts that you can't get to without removing the engine
    oil fill hole directly above alternator - any spilled oil can cause the alternator to prematurely fail
    generally hard to do anything on the engine due to access issues

    You should not pay more than $1500 for it unless it is showroom condition and then maybe $2k.

  6. #5
    Slipgate is offline Cadillac Owners Enthusiast
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    Re: Northstar

    Quote Originally Posted by blalockchiro View Post
    i have a 97 basic deville with a N* V8, i have had the car for 15 months now. i bought it with 103,000 miles on it. the car itself has been excellent, great ride. i did all the basic maintence stuff when u got it. the only major problem i have had is the water system. the water pump went out, changed, the radiator started leaking...changed...then at the beginning of the past summer it major overheated...i had to tighten all the hoses....and that is it,,,the best thing is, the car will tell u what is wrong with it by codes...best car i have ever bought!!!!!!
    Hey are you a Blalock? I am related to some Blalocks that hail from AL/FL area.

  7. #6
    blalockchiro's Avatar
    blalockchiro is offline Cadillac Owners Fanatic
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    Re: Northstar

    slip, i sent you a PM

  8. #7
    89falcon is offline Cadillac Owners Fanatic
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    Re: Northstar - any thoughts or advice ????

    Quote Originally Posted by blalockchiro View Post
    i have a 97 basic deville with a N* V8, i have had the car for 15 months now. i bought it with 103,000 miles on it. the car itself has been excellent, great ride. i did all the basic maintence stuff when u got it. the only major problem i have had is the water system. the water pump went out, changed, the radiator started leaking...changed...then at the beginning of the past summer it major overheated...i had to tighten all the hoses....and that is it,,,the best thing is, the car will tell u what is wrong with it by codes...best car i have ever bought!!!!!!
    Just as a warning.....often...the reason things start failing in the cooling system is because it's being over pressurized by a leaking HG......
    sounds like a slow leak......

  9. #8
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: Northstar - any thoughts or advice ????

    Someone here once said, and if I could remember who I'd credit them but they said

    Owning a N* without a warranty is like running through a Bosnian minefield. Exhilarating but deadly.

  10. #9
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: Northstar - any thoughts or advice ????

    Nope, it's the parallel to the ocean racing sailboat owner/crew's explanation -

    Like running around stark naked in a cold shower, all the while screaming at the top of your lungs and tearing up $100 bills.

  11. #10
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: Northstar - any thoughts or advice ????

    Yup, that too.

  12. #11
    stoveguyy is offline Cadillac Owners Connoisseur
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    Re: Northstar - any thoughts or advice ????

    U can say any cars value is based on miles and condition. Is this 98 a low miles jewel? 75k miles vs 155k miles is a big diff. Great paint or so-so? New tires? Nice interior?

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