Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know - Page 18
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View Poll Results: Select one if you have had a problem with the headgasket the Northstar V8:

Voters
756. You may not vote on this poll
  • 1993

    18 2.38%
  • 1994

    38 5.03%
  • 1995

    13 1.72%
  • 1996

    40 5.29%
  • 1997

    151 19.97%
  • 1998

    166 21.96%
  • 1999

    170 22.49%
  • 2000

    81 10.71%
  • 2001

    56 7.41%
  • 2002

    41 5.42%
  • 2003

    14 1.85%
  • 2004

    0 0%
  • 2005

    3 0.40%
Multiple Choice Poll.
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Northstar Engines and System Technical Discussion Discussion, Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know in Cadillac Engine Technical Discussion; Originally Posted by MrEldo97 "Aha ... "timeserting" = installing helical inserts (Heli-Coils, etc) ... never heard that one." Do your ...
  1. #256
    scttsmn is offline Cadillac Owners Member
    Automobile(s): 1997 Seville SLS
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    Quote Originally Posted by MrEldo97 View Post
    "Aha ... "timeserting" = installing helical inserts (Heli-Coils, etc) ... never heard that one."

    Do your homework on timeserts and then rejoin the discussion...
    Does the engine have to be removed to install an insert kit such as the NS300L?

  2. #257
    robertcopeland69 is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    96 deville with 252,000 miles.had 129,000 when i got it.i havent had a headgasket failure.could have been replaced before i got it though.

  3. #258
    postman2000's Avatar
    postman2000 is offline Cadillac Owners Fanatic
    Automobile(s): 1996 STS 2000 Deville
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    i have a 2000 deville.. head gaskets went at 102,000.. 3 months ago.. charlie

  4. #259
    M.A.C's Avatar
    M.A.C is offline Cadillac Owners Fanatic
    Automobile(s): 2005 STS-V8
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    The problem with this pole configuration is that it doesn't have an option to select "No", as in no head gasket problem.

    I would set it up with 'Yes' and 'No' choices as follows:

    1994 Yes/No
    1995 Yes/No
    1996 Yes/No
    etc.

  5. #260
    osu411yamaha is offline Banned
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    Quote Originally Posted by M.A.C View Post
    The problem with this pole configuration is that it doesn't have an option to select "No", as in no head gasket problem.

    I would set it up with 'Yes' and 'No' choices as follows:

    1994 Yes/No
    1995 Yes/No
    1996 Yes/No
    etc.
    Yes this is the most biased poll I have ever seen. Any statistician would laugh at it. The results are so skewed its not even funny. It is setup so only people with the problem can respond. Definitely need a yes and no.

  6. #261
    jcresciSTS is offline Cadillac Owners Enthusiast
    Automobile(s): 1999 Cadillac Seville STS (November 2012, 183k)
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    How can you respond No when it can still happen?

  7. #262
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
    Automobile(s): 1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    From the first glance looking to the pole results I see a very logical result:
    Most of the cars with HG problems are ‘97-‘99 with a drop on the older and newer cars.
    The drop on the older cars is because there are not so many left and if the problem happens is less likely to be repaired. While with the newer cars is either because they have not enough mileage accumulated or the problem was indeed fixed.
    I bet next year ’97 will be somewhere below 10% and 2000 will likely go up sharply.
    This pole should be seen as a count, you don’t have an issue you don’t participate.

    That being said ’97 STS little over 120K miles no issue yet (knock on wood).

  8. #263
    JSTS02 is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    2002 Seville STS with a head gasket failure....

    all it took was a cracked radiator for a month....running it on water during that time might not have helped...

    After replacing the radiator, it really blew out a few weeks after during a 1500+ mile trip...

    a tech will be digging in to replace using the Norms Kit tomorrow... so i'll know exactly what happened... i'm anxious to see my block apart!!! ... read all about it in the post below...

    http://www.cadillacforums.com/forums...lure-best.html

    Sucks for me! but hopefully an unemployed craigslist tech can do it for me for cheap...

    BTW... I don't think the poll is bias, it makes sense... it's about headgasket/headbolt failures in northstars and for what year... it's not a debate on if there's a problem... lol... that's no debate...

  9. #264
    JSTS02 is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    ....

  10. #265
    blt2100 is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    Hello all I am new here trying to keep my 2000 cadillac DTS running, I had the engine rebuilt in January 2008. Now when I drive on the highway it tries to run a little hotter than normal, so I took it back to the people that rebuilt the engine and they say they can't find anything wrong. so I paid the 435.00 for them to tell me that. everyone one I talked to says head gasket, so I took it to cadillac, from the symptoms they said HG, they did a block test on the car and said it turned out good, they also could not find any leaks 170.00 dollars later. I still smell radiator fluid and it still tries to run hot. Could it be a external leak? everyone is baffled, even the maker of the car is there another test we could have done. Please if anyone can help Nobody knows whats wrong. ;o ( HELP!!!!!!

  11. #266
    Submariner409's Avatar
    Submariner409 is offline If it won't run, slap in a big stereo
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    How hot is "hot" ? The engine should run at close to 200 all day long, somewhat higher in traffic w/o a/c on (with a/c the fans run in slow all the time).

  12. #267
    stutz427 is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    Mine just went on a 99 SLS. For about 6 months I heard a little gurgling but thought it was just air in the system. Then one day it blew out all the coolant. I knew right then what it was and took it to Northstar performance to have Jake put in the studs. Just came back with it today for will let you know. By the way the gaskets went at 120,000 and I did everything to avoid it. I changed fluids, installed the ginger root, did WOT's at least once a month and preemptively changed the water pump. For me its just a poor design or materials from GM

  13. #268
    kevlexus10 is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    2000 Deville DHS with 108k when the head gasket went south. Gathering info as we speak so I can drop the engine and get it back on the road. I miss my cadi

  14. #269
    4cambob is offline Cadillac Owners Member
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    Unhappy re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    97 SLS 171,000 miles I put a used motor in it. Then timeserts at 185,000. Now I have 220,000 and I drive 60 miles to work and back. Saint Louis rush hour, bumper to bumper, 2 to 85 mph I70 traffic.

  15. #270
    4cambob is offline Cadillac Owners Member
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    re: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    The shop that put my timeserts in, said they did it block in car.

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