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PostPosted: Mon May 29, 2017 5:57 pm 
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Joined: Mon May 29, 2017 5:37 pm
Posts: 4
Year and Trim: 2005 Bonneville gxp
My Bonneville GXP has 160K miles on it. The Northstar motor has had a timing chain or timing chain tensioner failure. It will not run. I have decided not to fix...The car is in great shape otherwise. Does anybody know how to find another GXP enthusiast who would want to purchase the car as is for parts or to rebuild? Thanks in advance.....


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PostPosted: Tue May 30, 2017 6:53 am 
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Joined: Sat Oct 20, 2012 7:06 pm
Posts: 58
Location: Apollo Beach Florida
Year and Trim: 2004 Bonneville GXP
2008 Grand Prix GXP
I am sorry to hear about your car, you are its the timing chain? Are you located
close to Indianapolis ? Can you post pics of car?


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PostPosted: Tue May 30, 2017 9:05 am 
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Joined: Mon May 29, 2017 5:37 pm
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Year and Trim: 2005 Bonneville gxp
I am located near Asheville, NC. I would like to get $1500 for the car. It's very clean....How do I post pics on this sight or is it even allowed?


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PostPosted: Tue May 30, 2017 11:04 am 
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Joined: Wed May 13, 2009 10:45 pm
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Location: CHICAGO
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Uh oh, The N* is an interference engine. That ain't good... It most likely would need a new or rebuild motor.

I think a lot depends on price. A N*, even a salvage yard motor is probably going to be one of the more expensive ones vs. say an SBC.

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Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2015 Chrysler Town & Country Limited Platinum: Mommy's NEW RGC
2007 Chrysler Town & Country Limited: Daddy's beater affectionately called the Rolling Garbage Can or "RGC" for short
2009 Pontiac G8 GT: L76, Sport Red Metallic
2009 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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PostPosted: Tue May 30, 2017 12:31 pm 
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Joined: Mon May 19, 2008 6:04 pm
Posts: 25348
Location: Browerville, MN
Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
stephen56 wrote:
I am located near Asheville, NC. I would like to get $1500 for the car. It's very clean....How do I post pics on this sight or is it even allowed?


How to post pics: your-ride-pics-and-videos/topic46080.html

Unfortunately you are too far away from me to make it worth it.

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2004 Bonneville GXP | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
2005 Town & Country Limited | Butane Blue Metallic | 290k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 210k | Official Bonneville Hauler


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PostPosted: Tue May 30, 2017 1:02 pm 
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Location: Chicago, IL
Year and Trim: 2003 SLE
You can always try parting it out, many here or on the Facebook group will lust after the interior and exterior parts.

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"Penelope" - 2003 SLE - 180k Miles
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PostPosted: Tue May 30, 2017 1:07 pm 
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Joined: Wed May 13, 2009 10:45 pm
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Location: CHICAGO
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
... And wheels. :)

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Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2015 Chrysler Town & Country Limited Platinum: Mommy's NEW RGC
2007 Chrysler Town & Country Limited: Daddy's beater affectionately called the Rolling Garbage Can or "RGC" for short
2009 Pontiac G8 GT: L76, Sport Red Metallic
2009 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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PostPosted: Tue May 30, 2017 1:26 pm 
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Posts like an L67
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Joined: Sun Aug 22, 2010 11:11 pm
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Location: Ontario, Canada
Year and Trim: 2000 Bonniville SSEi L67
EXCELLENT IDEA!! - TO PART, THAT IS.YOU COULD GET OVER 2000 IF YOU GOT SPACE TO KEEP PARTS TILL IT SELLS.

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2000 SSEi
past rides:
1996 SSEi
1992 GTP
1987 Grand Am


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PostPosted: Tue May 30, 2017 8:35 pm 
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Joined: Mon May 29, 2017 5:37 pm
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Year and Trim: 2005 Bonneville gxp
Ok if I sell for parts how to network so the parts are known by those who matter. I don't have a lot of time right now to disassemble either. I would welcome your ideas...It grates me to have to give up this car. Just too much risk involved in the rebuild. Cash is short!!


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PostPosted: Tue May 30, 2017 11:22 pm 
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Joined: Tue Jun 03, 2008 12:51 am
Posts: 734
Location: Missouri
Year and Trim: 95 SSEi
05 GXP
I'm bummed to hear of a timing chain failure. My GXP has 155K on it.
I always thought head gaskets would kill my Northstar.
Now I have something else to worry about. :roll:

Any ideas as to what caused the timing chain failure?
Have you owned the car very long?
Did it burn oil regularly, or did it run low of oil often?

DOHC engines are starting to scare me. GM is having
lots of timing chain issues on the 3.6L and the 2.4L.
Not a good sign.

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Black 95 SSEi (original owner) 236K miles
Black 05 GXP (some idiot put the first 12K on it)165K miles
Black 04 Tahoe (original owner)284K miles
Black 16 Traverse (original owner)48K miles
Black 15 Lacrosse (some nice lady put first 15K on it)16K miles
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PostPosted: Wed May 31, 2017 12:12 am 
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Joined: Wed Apr 01, 2009 7:11 pm
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Location: Alberta, Canada
Year and Trim: 2004 GXP, 2008 STS, 2008 DTS
To be honest, as terrible as this is, I really don't think this is a common problem. In fact, I think it's the first time I've heard of it on here (not to say that I may not have missed another).

Anyway, my point is, people get so wrapped up when they hear of any engine problem in the same breath as Northstar. The reality is, lots of other engines have head gasket failures, timing chain/belt problems, oil leaks and whatever other Northstar 'Beef 'o The Day that's being bantered around . I'm not going to lose a moment of sleep worrying about my GXP based on this incident. I empathize with the OP because I'd be pretty devastated if anything ever happened to mine. I'm also not going to let my mind run wild.

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PostPosted: Wed May 31, 2017 12:15 am 
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Joined: Wed May 13, 2009 10:45 pm
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Location: CHICAGO
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
It isn't. Very uncommon. There are many high mileage N*'s out there still running.

_________________
Image

Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2015 Chrysler Town & Country Limited Platinum: Mommy's NEW RGC
2007 Chrysler Town & Country Limited: Daddy's beater affectionately called the Rolling Garbage Can or "RGC" for short
2009 Pontiac G8 GT: L76, Sport Red Metallic
2009 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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PostPosted: Wed May 31, 2017 8:36 am 
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Posts like an L67
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Joined: Sun Aug 22, 2010 11:11 pm
Posts: 1588
Location: Ontario, Canada
Year and Trim: 2000 Bonniville SSEi L67
stephen56 wrote:
Ok if I sell for parts how to network so the parts are known by those who matter. I don't have a lot of time right now to disassemble either. I would welcome your ideas...It grates me to have to give up this car. Just too much risk involved in the rebuild. Cash is short!!




you could easily take some pics and then post ads in the forum, kijjij, craigslist and other sites/forums. one set of pics and all text adds point to it

easy and wont take much time.

_________________
poverty forces one to do unorthodox things

2000 SSEi
past rides:
1996 SSEi
1992 GTP
1987 Grand Am


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PostPosted: Wed May 31, 2017 9:40 am 
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Joined: Mon May 19, 2008 6:04 pm
Posts: 25348
Location: Browerville, MN
Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
FYI, when I purchased my GXP, it had a blown motor from a timing chain tensioner failure at 144k

_________________
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Image
2004 Bonneville GXP | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
2005 Town & Country Limited | Butane Blue Metallic | 290k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 210k | Official Bonneville Hauler


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PostPosted: Wed May 31, 2017 9:56 am 
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Joined: Mon May 29, 2017 5:37 pm
Posts: 4
Year and Trim: 2005 Bonneville gxp
I believe that my failure was due to a tensioner failure also. The chains are suppose to be bullet proof. Did you just replace the motor or rebuild?


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PostPosted: Wed May 31, 2017 3:44 pm 
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Joined: Wed May 13, 2009 10:45 pm
Posts: 5542
Location: CHICAGO
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
So when you're down and out about a N* problem, read this and be thankful you have an awesome GM designed engine and don't have brilliant German engineering. Seriously, they can screw up the process of making toast!

https://grassrootsmotorsports.com/forum ... 4/page100/

_________________
Image

Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2015 Chrysler Town & Country Limited Platinum: Mommy's NEW RGC
2007 Chrysler Town & Country Limited: Daddy's beater affectionately called the Rolling Garbage Can or "RGC" for short
2009 Pontiac G8 GT: L76, Sport Red Metallic
2009 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


Top
 Profile  
 
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