resurecting a gxp - Pontiac Solstice Forum
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post #1 of 18 (permalink) Old 04-03-2019, 01:48 PM Thread Starter
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resurecting a gxp

Recently picked up an 07 manual gxp that swallowed animals through the front bumper(I believe twice). There are a number of other issues with missfires, non working window regulators, and possibly some more issues. Obviously needs a new intercooler and there are not too many options. Ordered one that might be almost a direct fit from cx racing. Also did some repairs from the back side of the bumper and installed the stainless grilles for now. Have hp tuners already, so tuning might come once I am sure motor is still in decent shape.
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post #2 of 18 (permalink) Old 04-03-2019, 07:59 PM
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Welcome to the forum... get that baby boosting and back on the road!

2008 GXP Aggressive Red - SOL LVR - Trifecta custom tune - DDM CAI/charge tubes/silicone hoses - Werks IC - Solo Hi-flow Cat/Mach Shorty exhaust - DDM Probeam/Backbone/Venom brace - Short throw shifter - Full LED conversion - Michelin Pilot Sport 4S
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post #3 of 18 (permalink) Old 04-03-2019, 08:20 PM
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Welcome to the forum! Good luck with your car, lots of good people with a ton of knowledge here~
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post #4 of 18 (permalink) Old 04-03-2019, 08:45 PM
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Welcome. Best of luck

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post #5 of 18 (permalink) Old 04-04-2019, 08:21 AM
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Welcome & looks like from the pics your rolling right a long with your fixes. I like your stainless grilles.
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post #6 of 18 (permalink) Old 04-09-2019, 12:51 PM Thread Starter
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Thanks for the welcome.
Installed new spark plugs and swapped coils around to see if missfire will go away or move. Getting ready to upload a tune(have hp tuners) and get better charge pipes/intercooler installed. Both of those will be relatively major projects due to low budget. Also got a spare stock cat to modify for cat delete.
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post #7 of 18 (permalink) Old 04-09-2019, 05:32 PM
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You should be able to find a stage tune for our car on the hptuners forum as well as all the info you might need to customize it if you wish.
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post #8 of 18 (permalink) Old 04-10-2019, 09:53 AM Thread Starter
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You should be able to find a stage tune for our car on the hptuners forum as well as all the info you might need to customize it if you wish.
Got it tuned yesterday. On stock tires, no bite in 1st or 2nd gear, but 3rd pulls nicely. I am sure there are some enhancements that I can add to the tune but it is ok for now. I used another tuned gxp as a baseline. It was a matter on giving up some credits, as I use hp tuners to tune my ls swapped 89 TA
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post #9 of 18 (permalink) Old 04-10-2019, 10:20 AM
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Welcome and nice work. Any we can put back on the road is good.
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post #10 of 18 (permalink) Old 04-10-2019, 05:46 PM Thread Starter
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Looks like I might be in for a water pump change. Decent coolant puddle after coming back from work under the engine
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post #11 of 18 (permalink) Old 04-15-2019, 09:18 AM Thread Starter
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The leak stopped and have not showed up so far. Will leave it alone for now. Really need to get the suspension sorted. Looking for the brace bundle and already have new struts to install.
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post #12 of 18 (permalink) Old 04-15-2019, 09:43 AM
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Looks like I might be in for a water pump change. Decent coolant puddle after coming back from work under the engine
You sure it was coolant? Not just A/C condensation (I know it may be a bit early for A/C use - but I don't know where you live )

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post #13 of 18 (permalink) Old 04-15-2019, 10:06 AM Thread Starter
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You sure it was coolant? Not just A/C condensation (I know it may be a bit early for A/C use - but I don't know where you live )
smells and feels like coolant, right under the front of the engine with bottom of engine stained followed with low coolant in the reservoir. But it have not leaked again so far. I was hoping it was the ac, but no luck. Thought maybe was overfilled, but then it should dump from the reservoir instead.
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post #14 of 18 (permalink) Old 04-15-2019, 03:31 PM
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smells and feels like coolant, right under the front of the engine with bottom of engine stained followed with low coolant in the reservoir. But it have not leaked again so far.
Crud. From what I've seen it's just a matter of time before your water pump gives way completely. The leaks come and go until they don't (go).

BUT, if you're handy with tools, it's not an expensive repair. However, if you have to take it somewhere to get it done, then it IS an expensive repair.
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post #15 of 18 (permalink) Old 04-17-2019, 10:44 AM Thread Starter
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Crud. From what I've seen it's just a matter of time before your water pump gives way completely. The leaks come and go until they don't (go).

BUT, if you're handy with tools, it's not an expensive repair. However, if you have to take it somewhere to get it done, then it IS an expensive repair.
Looking at the process it appears to be pretty simple. Hold the timing with a tool, then just swap out the old pump. If I end up pulling the turbo to get better access, an upgraded turbo will go back in.
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