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Northstar Performance and Technical Discussion Performance discussions relating to the Northstar System (intake, exhaust, cam, etc.).

Cadillac Forums: Northstar Headgasket/Bolt Failure? Please let us know
View Poll Results: Select one if you have had a problem with the headgasket the Northstar V8:
1993 10 2.62%
1994 29 7.61%
1995 9 2.36%
1996 22 5.77%
1997 83 21.78%
1998 90 23.62%
1999 90 23.62%
2000 26 6.82%
2001 16 4.20%
2002 13 3.41%
2003 5 1.31%
Multiple Choice Poll. Voters: 381. You may not vote on this poll

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  #166 (permalink)  
Old 06-06-08, 11:02 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

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Well I'll be damned, that's the exact car I was looking at. I had a feeling it was your car when you said Eastern NC. I've been working at Trent for almost a year and half now and love it. My parents have been buying GMC's from they're for almost 13 years.

I almost bought an '00 Seville the other day, but I was talking to Brian about it and he said the cars are expensive to maintain and the engines blow headgaskets too often. Kinda scared me so I didn't get the car which bites, because I loved it. If you want an Escalade, we've got plenty of 'em. They all have rebates in the windows because we haven't moved one in a month or so. BTW, I don't sell the cars I just wash 'em!
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  #167 (permalink)  
Old 06-07-08, 11:54 AM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

It's a small world isn't it. Yes, they can be expensive to maintain, but if you can do of the easier repairs/maintenance yourself, then it's not so bad. Maybe one day when I'm in there I'll ask to s[eak to the gentleman that washed cars, and we'll get to shake hands and talk for a bit.

Richard in the middle of the Croatan Forest.
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  #168 (permalink)  
Old 06-10-08, 01:20 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

'93 SLS - HG's at 138k.
'03 STS - Water pump @80k mi, Water pump & HG's at 103K
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  #169 (permalink)  
Old 06-10-08, 10:43 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

Looks like you're the first person with a blown HG in the 2003 model year. Question: was the car reliable before the HG and water pump problems?
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  #170 (permalink)  
Old 07-26-08, 02:17 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

1998 sls 100,000
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  #171 (permalink)  
Old 08-06-08, 04:15 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

1999 SLS..97k....Doing the job soon.
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  #172 (permalink)  
Old 08-11-08, 01:24 AM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

Not my '98 yet exactly, but I was just about to buy a pristine low-mileage DeVille from my friend's mom, when it apparently blew a gasket at just over 30k. That's very low mileage of course, but evidently it can be a problem when the car spends most of it's life sitting around waiting to be driven to the store. This according to the dealer they took it to for diagnosis. Bummer.

Paul
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  #173 (permalink)  
Old 08-11-08, 02:08 AM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

The cars like to be driven. My Seville blew a HG at 54k with the previous owner. Dealer told me most likely reason was the car not being driven hard enough, and possibly bad coolant. Runs great now!
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  #174 (permalink)  
Old 08-25-08, 06:22 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

1997 STS 93K miles
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  #175 (permalink)  
Old 09-20-08, 05:08 AM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

Gotta 94 STS Shop says Headgasket-but its Still running Well and the reason we took it in casue Coolent was Pumping out the Air Hose--Average Costs? Give me the Low Downs
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  #176 (permalink)  
Old 09-20-08, 11:42 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

Average cost is $3000 - $3500. Do a search. LOTS of info.
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  #177 (permalink)  
Old 11-06-08, 08:48 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

Headgasket failure at 160,000kms, positive test for combustion gasses in coolant, overheating whilst driving, steam cloud emminating from exhaust tips GM coolant tabs-no effect

peace
Hog
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  #178 (permalink)  
Old 12-08-08, 05:36 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

1998 Deville, (Babied) 65K - all recommended service performed.
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  #179 (permalink)  
Old 12-08-08, 05:40 PM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

CONT'D 1998 Deville, (Babied), all recommended service performed.

Blew the head gasket at 65K miles, car never been over 70 MPH.

Bar's Head Gasket "FIX" FIXED THE PROBLEM, no coolant consumption for nearly 1K miles - was using 6 cups of coolant per 300 miles. Serious problem.
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  #180 (permalink)  
Old 12-21-08, 11:59 AM
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Re: Northstar Headgasket/Bolt Failure? Please let us know

What happen after the year 2000 they seem to be getting somewhat better not as many blown HG .
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