• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by GP1138

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    Steering Rack Question - 2005 GXP

    So my steering rack has been leaking like a sieve for awhile, from what I assumed was the boot. I have taken a closer look and this line on the back side of the rack is leaking from where the line enters the fitting. I’ve tried many different sizes of O-ring and nothing seems to seal this. When...
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    Sudden odd issues after rebuild last Dec

    I have a 2005 Grand Prix GXP. My wife drove the car to work and home yesterday with no issues. She said it was driving normally, and I think she would have noticed these sudden issues. I got in the car to go somewhere and as soon as I took off, the car kicks into 2nd and 3rd like a mule, and...
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    FS: 2004 Comp G Transmission Core - 4T65e-HD TapShift

    I have a blown transmission from my 2004 GTP Comp G. It lost 1-2 and could be tapped into 3rd after 10mph and then 4th. I figured I would offer it here in case anyone needed a core to rebuild or parts. Want to sell whole. $75 OBO - located in Dayton OH.
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    2006 GXP Trans into 2004 Comp G: Possible?

    OK, so I have a 2004 Comp G that I believe has lost the forward apply band. A local JY just got in a 2006 GXP, looks to be wrecked. Will the transmission from that vehicle work in my car with minimal modification? I can get the computer tuned for the 2.93 gear ratio since mine is 3.29.
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    4T65E-HD -- shifting on highway and sudden shudder at 10mph on accel

    So I got this car a few weeks ago and it had a weird issue where if I would kick down on the highway it would rev high and kick into gear. If I eased the throttle it'd shift normal. I wondered if it had anything to do with ETC. I have been having random ground issues and today I came out and...
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    Monsoon Center Channel Question

    I did some looking around, so apologies if this is easily found and I just missed it. I just obtained a 2004 Comp G with the Monsoon system. It has the center channel, which is fortuitous because I run a 5.1 channel 2-din unit that I play DTS/Dolby 5.1 discrete music on. I need to know if the...
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    General ScanTool Questions; Introduction

    Hello, all! I'm well-established over at W-Body.com but need some more specific tech help on my GTP. I'm looking for some information on the '97 PCM in particular. I have a generic ELM327 Soliport Bluetooth scantool, it works properly, but I want to see my KR readout and it does not provide...
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