Oil leak diagnosis

Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the Intrigue / Aurora 3.5L Twin Cam V6 (Short Star ) , 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
sextrosgxp
SSE Member
SSE Member
Posts: 123
Joined: Sun Jun 24, 2012 4:35 pm
Year and Trim: 2005 GXP
Location: Belleair, FL

Re: Oil leak diagnosis

Post by sextrosgxp »

I'll jb weld the lines, the new lines. Murphy's Law says I'll jb weld the lines then the line itself will fail. It just makes sense to put in new lines and jb weld where they usually leak. Rockauto shows he lines are 30 bucks so its not a huge expense. Besides the ac compressor needs replaced everything will be torn apart anyway.
2005 GXP in Black
K&N Filter, tinted windows, tinted headlights, RVinyl fog light covers, Autosport cross-drilled and slotted rotors, EBC Red Stuff pads.
2012 Ford F150 FX2 Super Crew (Daily Driver) 5.0 V8.
sextrosgxp
SSE Member
SSE Member
Posts: 123
Joined: Sun Jun 24, 2012 4:35 pm
Year and Trim: 2005 GXP
Location: Belleair, FL

Re: Oil leak diagnosis

Post by sextrosgxp »

Besides. Rumor has it Buick is bringing back the GNX so there may be a trade in on the horizon....if Buick actually does make it and makes it right.
2005 GXP in Black
K&N Filter, tinted windows, tinted headlights, RVinyl fog light covers, Autosport cross-drilled and slotted rotors, EBC Red Stuff pads.
2012 Ford F150 FX2 Super Crew (Daily Driver) 5.0 V8.
User avatar
CMNTMXR57
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 5841
Joined: Wed May 13, 2009 10:45 pm
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Location: CHICAGO

Re: Oil leak diagnosis

Post by CMNTMXR57 »

nos4blood70 wrote:I don't have much against the Northstars, it just seems that the problems are worse when they happen and they happen all at once.
They're just magnified because of the difficulty of working around said engine in an engine bay designed for a V6. However, I will have to say, I still want to find the GM Powertrain engineer that signed off on the location of the power steering pump on a 3800. That was a real braindead, d*ckhead move.
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:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
User avatar
CMNTMXR57
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 5841
Joined: Wed May 13, 2009 10:45 pm
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Location: CHICAGO

Re: Oil leak diagnosis

Post by CMNTMXR57 »

sextrosgxp wrote:I'll jb weld the lines, the new lines. Murphy's Law says I'll jb weld the lines then the line itself will fail. It just makes sense to put in new lines and jb weld where they usually leak. Rockauto shows he lines are 30 bucks so its not a huge expense. Besides the ac compressor needs replaced everything will be torn apart anyway.
The lines themselves shouldn't fail... unless you're running 100psi through them. :)
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:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
7tcatvert
SLE Member
SLE Member
Posts: 64
Joined: Sat Feb 04, 2012 9:18 pm
Year and Trim: 2005 Bonneville GXP
Location: St. Louis, MO

Re: Oil leak diagnosis

Post by 7tcatvert »

CMNTMXR57 wrote:
nos4blood70 wrote:I don't have much against the Northstars, it just seems that the problems are worse when they happen and they happen all at once.
They're just magnified because of the difficulty of working around said engine in an engine bay designed for a V6. However, I will have to say, I still want to find the GM Powertrain engineer that signed off on the location of the power steering pump on a 3800. That was a real braindead, d*ckhead move.

I bet he sat right next to the guy who signed off on the fog lamps ;)
Current stable...
2005 GXP Bonneville
1970 Mercury Cougar Convertible w/428CJ
1969 Mustang Fastback w/390
1972 Datsun 240Z
2010 Toyota 4Runner
2014 Ford Escape
Pictures of everything I have done
http://s225.photobucket.com/albums/dd200/
User avatar
CMNTMXR57
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 5841
Joined: Wed May 13, 2009 10:45 pm
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Location: CHICAGO

Re: Oil leak diagnosis

Post by CMNTMXR57 »

:bash:
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:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
00Beast
Retired Site Developer
Retired Site Developer
Posts: 20960
Joined: Tue May 27, 2008 10:30 pm
Year and Trim: '17 Silverado 1500
Location: MN/IA
Contact:

Re: Oil leak diagnosis

Post by 00Beast »

:laughing3:

I bet they laughed for days...

Like this:
Image
Bye Bye:
Image
RIP sandrock
Sirius wrote:Think about it. You’re tooling down the road in your Prius, knowing full-well that this thing being green is as big a sham as federally mandated ethanol-enriched gas, Russia pulling out of Ukraine, and Obamacare.
User avatar
CMNTMXR57
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 5841
Joined: Wed May 13, 2009 10:45 pm
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Location: CHICAGO

Re: Oil leak diagnosis

Post by CMNTMXR57 »

I KNEW "he" was somehow at fault!
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:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
User avatar
nos4blood70
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 9522
Joined: Mon May 10, 2010 6:11 pm
Year and Trim: 2003 SLE
Location: Chicago, IL

Re: Oil leak diagnosis

Post by nos4blood70 »

I can always trust Pontiac Bonneville Club to put a laugh in my dreary Friday evening.
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles
Image
User avatar
CMNTMXR57
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 5841
Joined: Wed May 13, 2009 10:45 pm
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Location: CHICAGO

Re: Oil leak diagnosis

Post by CMNTMXR57 »

I'm not my usual self today, I'm crabby because I got up on the wrong side of the bed I guess.
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:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
User avatar
nos4blood70
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 9522
Joined: Mon May 10, 2010 6:11 pm
Year and Trim: 2003 SLE
Location: Chicago, IL

Re: Oil leak diagnosis

Post by nos4blood70 »

I sleep in a twin. It's always the wrong side.

Also, I like how all the Northstar threads go horribly off topic in relatively the same manner.

:offtopic:
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles
Image
sextrosgxp
SSE Member
SSE Member
Posts: 123
Joined: Sun Jun 24, 2012 4:35 pm
Year and Trim: 2005 GXP
Location: Belleair, FL

Re: Oil leak diagnosis

Post by sextrosgxp »

Yup. Its the oil lines. My mechanic said he can make new lines or according to him he has a company that makes a redesigned fitting for this. So to fix the lines, new ac, serpentine belt, and tighten down the cam covers....$1200. I can live with that.
2005 GXP in Black
K&N Filter, tinted windows, tinted headlights, RVinyl fog light covers, Autosport cross-drilled and slotted rotors, EBC Red Stuff pads.
2012 Ford F150 FX2 Super Crew (Daily Driver) 5.0 V8.
User avatar
CMNTMXR57
Certified Bonneville Nut
Certified Bonneville Nut
Posts: 5841
Joined: Wed May 13, 2009 10:45 pm
Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
Location: CHICAGO

Re: Oil leak diagnosis

Post by CMNTMXR57 »

Yea, anything that is a permanent, sealed, torqued to spec fitting will seal. Gotta remember, the OEM ones are meant to be quick connect/disconnect, as such, sealing isn't 100%.
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:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
Post Reply