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PostPosted: Wed Sep 20, 2017 7:27 pm 
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Ok, so after putting it off for a while to try to regroup my thoughts and what I've done. I finally got the motor back out and Just Now pulled the back head off again. And the gasket IS correct. So why don't I have oil to the top of the motor?? Checked the oil pump and it looks fine.


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PostPosted: Thu Sep 21, 2017 9:10 am 
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I wish I had some more helpful advice, but I don't. All I can tell you is I looked in the oil cap of my GXP while it was running and oil was splashing everywhere.

I've had several Northstars apart, did a head stud kit on one, and timing guides and tensioners on another. I did no oil pump priming and everything worked fine from the first startup.

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2002 Ram 1500 Quad Cab Sport | Black| 190k | Official Bonneville Hauler


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PostPosted: Thu Sep 21, 2017 10:51 am 
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Yea, I'm sorta at a loss here too man. Could something have fallen in an oil gallery? However, there are others in the block/heads, so it wouldn't block all oil flow.

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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 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: Thu Sep 21, 2017 10:54 am 
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The oil gallery isn't exposed for something to fall into. I'm thinking it's the oil pump, it almost has to be. That's the next party I'm gonna throw at it and hope it fixed the problem. Along with another head gasket.


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PostPosted: Thu Sep 21, 2017 12:19 pm 
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I don't know if you were planning on buying a new one, but I have an oil pump here from a motor with 162k that skipped time.

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2005 Town & Country Limited | Butane Blue Metallic | 270k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 190k | Official Bonneville Hauler


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PostPosted: Thu Sep 21, 2017 12:21 pm 
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That's a little bit more miles them my car has on it now. Idk if it's a good idea to put a used one on it?? With the lick I've had with this thing, it would be bad two min after I put it in.. Lol


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PostPosted: Thu Sep 21, 2017 12:54 pm 
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I'm going a little foggy on N* blocks/heads, but the three holes at the bottom side of the block deck are the oil passages if I recall

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This is why I asked if the head gasket(s) were in proper alignment.

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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 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: Thu Sep 21, 2017 1:07 pm 
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Yep your exactly correct, and yep the gaskets are installed correctly. If I could figure out how to attach a pic to this page I have the pic I took of it last night.


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PostPosted: Thu Sep 21, 2017 1:23 pm 
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Put it out on a site like imgur

then link it here using the following (without the "" marks)

"[img]"link%20to%20the%20picture%20you're%20linkinf"[/img]"

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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 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: Fri Sep 22, 2017 8:06 am 
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I cant get the pic to go.
I know its right though, just gotta figure out why the pump isn't pumping.


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PostPosted: Fri Sep 22, 2017 11:39 am 
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Ok, this is going to sound completely messed up (I want to use another term there, but the board auto-corrects). Anyway, early N*'s had an issue I recall with an oil pressure relief valve on the oil pump. Sometimes it gets clogged with debris. So there was a "Force priming" procedure GM called out. I'm not saying that this is the issue as it was prone to earlier N*'s, but at this point does it hurt to try??

This process is from GM to force prime the pump and relieve that pressure.

Quote:
To remove particles from the relief valve in the oil pump, perform the following procedure:

1. Add an ADDITIONAL 10 to 12 quarts (liters) of engine oil to the engine. This will immerse the pump completely in oil.

2. Start the engine and repeatedly open the throttle (rev the engine) from idle to 3500 rpm. This will allow the pump to prime; cycling the relief valve forces any debris from the relief valve.

Important : Do not operate the engine above 3500 rpm. Doing so will aerate the engine oil and/or force excess engine oil into the PCV system. DO NOT DRIVE THE VEHICLE while the additional oil is in the engine.

After the engine has sufficient oil pressure, any valvetrain noise associated with this low oil pressure condition should not be evident upon restarting the vehicle and the low oil pressure and malfunction indicator lamp (service engine soon) messages should not remain illuminated.

3. After engine has sufficient oil pressure, drain the crankcase. Reinstall the engine oil pan drain plug.

4. Add 7 quarts of engine oil and check the oil level. Make sure the vehicle is on a level surface and the engine operating temperature is 1OO°C when checking the oil level with the engine stopped for 15-20 seconds.

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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 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: Fri Sep 22, 2017 12:12 pm 
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I seen something about that also a few weeks ago, I tried that as a last ditch effort before I pulled it out again. And it didn't work.


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PostPosted: Fri Sep 22, 2017 12:52 pm 
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I'm at a loss then. If there is no blockage, then it's the pump itself. But I can't think of any reason it would've broke doing what you were doing.

Stupid question... Have you changed the oil filter too?

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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 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: Fri Sep 22, 2017 1:01 pm 
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Yep changed the oil and filter before start up after doing the head stud and gasket rebuild. Only thing I can think is the oil pump much have gotten damaged when I head the balancer installed to deep, but I think it was only to deep by an 1/8 or so at the most. That's my only thoughts on why. I did change the oil pressure sensor also because I broke the original removing the head and exhaust manifold at the same time. But even if the pressure switch is bad ( outta the box) it still wouldn't make the oil pump not work.


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PostPosted: Fri Sep 22, 2017 1:14 pm 
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That might be the problem...

The bolts on the balancer require a specific torque... Something like 37ft/lb and 120* rotation after.

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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 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: Fri Sep 22, 2017 1:46 pm 
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I agree, That's what makes me think its the pump. I know I had the balancer a smidge deep, and over tight.


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PostPosted: Fri Sep 22, 2017 5:22 pm 
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Sorry, I'm trying to exhaust all potential things I can think of before you have to go that route.

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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 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: Sat Sep 23, 2017 8:05 am 
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Thank you for sure, the information has helped a bunch and it's stearing me in the right direction. Just ready to get this thing done and back on the road.


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PostPosted: Wed Oct 11, 2017 7:31 pm 
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So...... After putting this piece of crap motor back together again.... With a new oil pump ($165.00) and a new head gasket ( $35.00) and all the time and energy, it runs. But NO oil again. I had pressure and oil to the top of the motor for a little bit at first start up and running. But now nothing. It ran for about 5 min with good pressure and I thought I had it figured out. But heck no. Now what????? I'm totally tired of working on this thing and done with it. Someone come buy it. $1500.00 I want this thing out of my shop.


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PostPosted: Thu Oct 12, 2017 10:36 am 
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Sorry, I'm fresh outta ideas.

Where are you at? That might help.

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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 Chevrolet Impala SS: LS4 V8, Victory Red
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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