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 Forum: Your Other Rides: Pics and Videos   Topic: Back with a Grand Prix!

 Post subject: Re: Back with a Grand Prix!
Posted: Fri Dec 15, 2017 10:05 am 

Replies: 9
Views: 65


Amazing to see it in that condition. I was just at the salvage yard yesterday and there was several identical to yours along with dozens more GP's...all rotted and trashed.

 Forum: Bonneville GXP/Northstar Powered Cars   Topic: 2005 GXP - Transmission Replacement

Posted: Wed Dec 13, 2017 11:35 am 

Replies: 2
Views: 172


You have to remove the entire drivetrain out the bottom of the car, a lift will be invaluable.

While you have the everything out, it would be a really good time to replace the timing chain guides and tensioners as they are the #2 killer of these engines after the head gaskets.

 Forum: Performance & Brainstorming   Topic: front wheel drive manual transmission?

Posted: Wed Dec 06, 2017 11:28 am 

Replies: 4
Views: 85


viewtopic.php?f=7&t=38764&view=next

 Forum: Everything Electrical and Electronic   Topic: Need location of wire splice pack

Posted: Wed Nov 29, 2017 10:10 am 

Replies: 3
Views: 95


Here is the schematic for the serial data.

You can get these same diagrams and the entire factory service manual for free here: https://www.youtube.com/watch?v=5gKz4mKnv0w&t=29s

 Forum: Detailing & Appearance   Topic: Dash Overlay

 Post subject: Re: Dash Overlay
Posted: Tue Nov 21, 2017 10:10 am 

Replies: 2
Views: 92


He doesn't have an SSEi, just an SLE. The mileage chip swap would totally work, except for the speedo being off.

 Forum: 2000-2005 (other than GXP)   Topic: 2004 SLE just turns off at random

Posted: Tue Nov 21, 2017 10:04 am 

Replies: 29
Views: 263


The chinese Tech2's are just as good as the originals for our purposes. Check out my review: general-chat/topic43833.html

 Forum: 2000-2005 (other than GXP)   Topic: Oil Pressure Gauge erratic

Posted: Mon Nov 20, 2017 6:20 pm 

Replies: 5
Views: 94


Quote:
Pontiac -> 2001 -> Bonneville -> 3.8L V6 -> Electrical-Switch & Relay -> Oil Pressure Sender/Switch


If you can't figure out how to get there on RockAuto, just search the part numbers

 Forum: 2000-2005 (other than GXP)   Topic: Oil Pressure Gauge erratic

Posted: Mon Nov 20, 2017 12:15 pm 

Replies: 5
Views: 94


Yes, super common problem. Replace the switch next time you do an oil change. The sensor is directly above the oil filter and some oil will come out when you remove it.

FYI, Rockauto does carry them, they have 4 options. Electrical-Switch & Relay -> Oil Pressure Sender / Switch

 Forum: 2000-2005 (other than GXP)   Topic: Trac Off and Anti-Lock Issue

Posted: Thu Oct 26, 2017 11:49 am 

Replies: 28
Views: 386


The hub should produce a small amount of AC voltage.

You should see 850-1350 Ohms of resistance across the hub sensor. If you spin it by hand, you should see ~100 mV of AC voltage, higher if you use a power tool.

https://youtu.be/7-HRFTotllY

 Forum: Bonneville GXP/Northstar Powered Cars   Topic: 2004 GXP Headgasket Job

 Post subject: Re: 2004 GXP Headgasket Job
Posted: Thu Oct 26, 2017 10:16 am 

Replies: 67
Views: 2542


Yay! Now you don't need to crush it! How much more did you tighten it?

 Forum: 2000-2005 (other than GXP)   Topic: Trac Off and Anti-Lock Issue

Posted: Wed Oct 25, 2017 9:32 am 

Replies: 28
Views: 386


99% sure you'll end up with a wiring issue, not a hub replacement. If you already replaced the hub, then it is definitely a wiring issue. If the terminals of the connector look good, then start back-tracing the wiring into the engine harness and see if you can find any nicks or cuts or places where...

 Forum: 2000-2005 (other than GXP)   Topic: Trac Off and Anti-Lock Issue

Posted: Mon Oct 23, 2017 9:32 am 

Replies: 28
Views: 386


Get an ABS scantool on there and quit guessing.

 Forum: 2000-2005 (other than GXP)   Topic: Trac Off and Anti-Lock Issue

Posted: Thu Oct 19, 2017 9:00 am 

Replies: 28
Views: 386


Get your codes scanned before even thinking about trying to guess what is going on.

 Forum: 2000-2005 (other than GXP)   Topic: Trac Off and Anti-Lock Issue

Posted: Wed Oct 18, 2017 9:19 am 

Replies: 28
Views: 386


99% sure you'll end up with a wiring issue, not a hub replacement.

 Forum: Bonneville GXP/Northstar Powered Cars   Topic: Second Coolant Reservoir Died

Posted: Fri Oct 06, 2017 10:18 am 

Replies: 6
Views: 345


I've given up on low coolant messages on my GXP's. I just splice the wires together any bypass the sensor.

 Forum: 2000-2005 (other than GXP)   Topic: Rear Frame Rotting

 Post subject: Re: Rear Frame Rotting
Posted: Fri Sep 29, 2017 11:22 am 

Replies: 2
Views: 166


I agree that you probably have more rot than you think if the shock towers are that bad.

 Forum: 2000-2005 (other than GXP)   Topic: 02 Bonneville SLE Motor mount removement issue

Posted: Mon Sep 25, 2017 10:49 am 

Replies: 3
Views: 196


If you put the bracket in a vice and then put an angular pressure on the mount and use an impact on the nut, it might break free. Otherwise you will have to cut it.

 Forum: 2000-2005 (other than GXP)   Topic: 02 Bonneville SLE Motor mount removement issue

Posted: Sun Sep 24, 2017 10:10 pm 

Replies: 3
Views: 196


Support the engine/trans with a jack and remove the 3-15mm studs and remove the bracket from the car so you can work on the bench. You might end up just having to cut it off.

 Forum: Bonneville GXP/Northstar Powered Cars   Topic: 2004 GXP Headgasket Job

 Post subject: Re: 2004 GXP Headgasket Job
Posted: Thu Sep 21, 2017 12:19 pm 

Replies: 67
Views: 2542


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.

 Forum: Bonneville GXP/Northstar Powered Cars   Topic: 2004 GXP Headgasket Job

 Post subject: Re: 2004 GXP Headgasket Job
Posted: Thu Sep 21, 2017 9:10 am 

Replies: 67
Views: 2542


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...
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