Northstar Junk Or Bad Rap

Everything Else Cadillac

  1. rodney henson

    rodney henson New LVC Member

    Messages:
    1
    Likes Received:
    0
    Joined:
    Nov 3, 2007
    Location:
    purcellville
    Iam looking at a 1996 cadillac with 19000 miles, I would like to buy this car but every thing I have read about the northstar engine is bad, oil leaks, bruning oil, head gaskets that leak coolent into the head stud that make the alum weak then the studs pull out ,then the head gasket blows, I hear this is real bad on the early northstars is this true, (what years) all the spec on this engine looks great,( HP torque) all the years GM made this engine how can it be so bad? Or maybe its the way some people take care of there cars that make this happen, not changing there antfreeze etc, I see this motor in cars with 250000 miles on them, so how can it get so much of a bad Rap, I would like to get all the info you guys and girls have on this befor I buy this Car Thanks
     
  2. mespock

    mespock Marxists - Socialists

    Messages:
    14,494
    Likes Received:
    42
    Joined:
    Jun 15, 2004
    Location:
    Boscobel, Wisconsin, United States
    Get A Mark VIII much better
     
  3. ford nut

    ford nut Local nut case

    Messages:
    5,660
    Likes Received:
    234
    Joined:
    May 14, 2007
    Location:
    Farmington
    Yep everything you read was true.
    Junk
    I would get a Lincoln.
    mespock knows....hes a school teacher.
     
  4. Lownslowlsc

    Lownslowlsc Dedicated LVC Member

    Messages:
    6,621
    Likes Received:
    599
    Joined:
    Oct 4, 2007
    Location:
    N il
    from what i've read/heard (very limated) they are horrible engines in the early years.
     
  5. 1bad4.6l

    1bad4.6l Dedicated LVC Member

    Messages:
    2,611
    Likes Received:
    4
    Joined:
    Nov 7, 2007
    Location:
    wyandotte
    Junk when they hit 100k, just too expensive to fix it right so they don't usually get fxed at all. I vote JUNK.
     
  6. taylor414ce2003

    taylor414ce2003 Dedicated LVC Member

    Messages:
    549
    Likes Received:
    0
    Joined:
    Nov 17, 2005
    Location:
    boston
    you only read about the complaints!! The N* motor is a great engine and will run well over 200k miles,The trans is bullet proof as well.The bad is ..the suspension is crap and usualy starts to fail at 70k and is big bucks to replace evan with after market conversion kits!!! My biggest gripe with GM on these cars is the electronics that go crazy!!!!!.I would look for a late 1999 and up with the improved heads.Am I reading your post correct, the car has under 20k on it? If so ,I would buy the car providing you can get a warranty for it!!!!!
     
  7. mespock

    mespock Marxists - Socialists

    Messages:
    14,494
    Likes Received:
    42
    Joined:
    Jun 15, 2004
    Location:
    Boscobel, Wisconsin, United States
    Other things ... depends on what you want .. If you want more sport to your ride the Mark VIII beats the Caddy hands down. If you are looking for just a plush ride and nice looking car. Then it's a toss up ...

    Caddy FWD Mark VIII RWD ... lots more fun ... Plus the 4.6 32 v engine is a long lasting power house ...
     
  8. 1bad4.6l

    1bad4.6l Dedicated LVC Member

    Messages:
    2,611
    Likes Received:
    4
    Joined:
    Nov 7, 2007
    Location:
    wyandotte
    Junk!
     
  9. XLRVIII

    XLRVIII Dedicated LVC Member

    Messages:
    5,961
    Likes Received:
    2
    Joined:
    Mar 22, 2004
    Location:
    Houston
    i WAS a northstar fan, til i discovered where the danged starter was located..

    i aint pulling the danged intake manifold off, and all those associated horrors to change the damned starter
     
  10. 1bad4.6l

    1bad4.6l Dedicated LVC Member

    Messages:
    2,611
    Likes Received:
    4
    Joined:
    Nov 7, 2007
    Location:
    wyandotte
    Dangumit I Said Junk!
     
  11. XLRVIII

    XLRVIII Dedicated LVC Member

    Messages:
    5,961
    Likes Received:
    2
    Joined:
    Mar 22, 2004
    Location:
    Houston
    (pushes hat back and spits)
     
  12. 1bad4.6l

    1bad4.6l Dedicated LVC Member

    Messages:
    2,611
    Likes Received:
    4
    Joined:
    Nov 7, 2007
    Location:
    wyandotte
    SPA-TING! lol
     
  13. MAC1

    MAC1 Dedicated LVC Member

    Messages:
    682
    Likes Received:
    4
    Joined:
    Feb 5, 2005
    Location:
    NJ
    I owned an Eldorado which had 230,000 miles on it when I got rid of it and it ran perfectly. No major mechanical problems over the 130,000 miles that I owned it. However, it is true that a lot of Northstar engines develop oil leaks, usually the oil pan and/or half-case seal. I'm not sure if the case-half was addressed in the '96 model. However, you should check the oil pan before considering buying the car and bear in mind that it may develop a problem (or not) at about 50,000 miles and after. My Eldorado did develop such a leak and by the time it had about 160,000 miles it was dripping, not just a wet oil pan. To repair it is not cheap since the engine has to be engine pulled. It may be possible to repair by dropping the engine cradle but this means the engine will have to be supported. If the Northstar oil pan could be fixed by simply dropping the pan then it wouldn't be such a big deal since it would be a fairly simple repair. I currently own a 2005 STS-V8 and there are no signs of oil leaking. So it looks like GM addressed the oil leaking issues.
     
  14. Danz

    Danz New LVC Member

    Messages:
    3
    Likes Received:
    0
    Joined:
    Jan 26, 2010
    Location:
    Hebron
    Buy the Cadillac

    I owned a 95 Concours Deville I put over 200000 miles on it - it was a great car I now own a 2002 Deville DHS another great car I now have 105000 miles on this one it is a great car also but there are some things you should know about the North Star engine - 1. It has a propensity to develope Carbon in the intake and combustion chanber you will need to do a good job of keeping the carbon cleaned out - because once you build up too much carbon then the problems can start - I have been using the following products to clean the carbon out and keep it clean it is a gas additive called Performance Improver manufactured by AMSOIL Inc. - Also use A true Synthetic engine oil - I have always used AMSOIL 5W30 Engine oil - and an AMSOIL Oil filter. Go to AMSOIL.com to get more information. I have just started using AMSOIL 0W30 this year it is better than the 5W30 - These North Star's are easier than most to work on - Get yourself a good Cadillac repair manual and you will be set. Make sure that you change your transmission fluid - use AMSOIL Synthetic ATF - and follow The Amsoil recommended drain intervals for all their lubricants - engine oils 25000 miles or one year and ATF 100000 miles be sure to change the tranny filter when changing the oil do not settle for a system flush with out dropping the pan and changing the filter. You are going to love the 96 its a big boat but it sure rides nice. You are lucky to find one with such low milage it must have belonged to a little old lady who only drove it to the store and back.... I plan on not getting rid of my 02 for at least another 5 or 6 years. Good luck...
     
  15. caddyproctor

    caddyproctor LVC Member

    Messages:
    42
    Likes Received:
    0
    Joined:
    May 14, 2014
    Location:
    oakville, ON
    I've had the following with northstars, 95 sts Seville no problems, 99 DeVille d'elegance (no problems), my current 97 DeVille Concours, got car with following problems, replaced all coil packs, changed out the coolant as the fluid in it was almost a solid jello like substance, and changed battery. Drives beautifully now and hopefully,won't have the dreaded hg issue. Mileage of them was 95 sts 280k, 99 d'elegance 251k, and current Concours is about 276k
     
  16. caddyproctor

    caddyproctor LVC Member

    Messages:
    42
    Likes Received:
    0
    Joined:
    May 14, 2014
    Location:
    oakville, ON
    They are amazing performing engines and transmissions are bullet proof but the hg issues always terrify me in the back of my head when I drive it. Especially when once in awhile the temp gauge goes up a hair sometimes in traffic. This being said I've never had a bad hg issue in any of my caddys, and I don't drive them lightly
     
  17. caddyproctor

    caddyproctor LVC Member

    Messages:
    42
    Likes Received:
    0
    Joined:
    May 14, 2014
    Location:
    oakville, ON
    Also XLRVIII I did two of the northstar starters and there a pain in the butt the first time but the second is a breeze. Just gotta find tiny tools to get the bolts for starter out and not drop anything in intake holes
     
  18. olddavid

    olddavid Well-Known LVC Member

    Messages:
    280
    Likes Received:
    59
    Joined:
    Aug 11, 2010
    Location:
    otis, oregon
    With that low of miles, why not? I've always wondered about these, but the Lincoln was a known quantity to me. Maybe in the future I'll look for the rear drive STS.
     

Share This Page