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    First head unit install...Problems

    Hey 2005 pontiac grand prix gtp-comp g So i decided to upgrade my deck since i really liked the idea of having bluetooth integrated into my car. I bought the kenwood ddx392 and got the aftermarket wiring harness to make it all work. I know nothing about car audio but am very comfortable with...
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    Fuel pressure dropping

    Hey so i have a 2005 Pontiac Grand Prix gtp comp-g and ive been having some hard starts lately and i have ruled out all the ordinary causes. I picked up a fuel pressure tester and hooked it up and noticed that when i prime the pump by turning the key to the on position the pressure jumps to...
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    alternator charging fluctuations

    Hey So last weekend i changed out my water pump and while i was doing that i decided to switch out the supercharger coupler as well. After i was done i was bolting the alternator back on when i started getting a bunch of sparks.. The neg battery cable just so happened to slowly move back and...
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    Po116 ECT fault

    Hey so I've been having the code Po116 pop up almost every day for the last week. It's a soft code and doesn't trigger a ses light but my coolant temp needle drops to 0 and the fans run on high. once I clear the code the temp gauge returns to normal and the fans stop. I've tried replacing the...
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    replacement drop in struts for 2005 grand prix gtp comp g

    Hey... first off i understand this topic may of come up a million times but ive been looking for quite some time and cant find what i am looking for.. I have a 2005 grand prix gtp-comp g... I am looking for drop in struts for the front and the back.. i am not going to be lowering the car or...
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    2005 Grand prix GTP Gauge issues

    Hey so i have a 2005 Grand Prix GTP comp-g and today i noticed that my temp gauge was not working, it just sat at the bottom. This caused my fans to run the whole time... So when i got home i disconnected the battery for 30min and checked and now the temp gauge works BUT instead of the normal...
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    wet headliner

    2005 grand prix gtp So yesterday during a heavy rain storm i noticed that my headliner was wet near the driver side door, i thought maybe i did not close to the door all the way and soaked up what i could and left it. today its been raining off and on and when i went in my car its way worse...
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    Pebble fell in engine

    Hey So after doing some light maintenance yesterday i was putting my engine cover back on and when i went to put the oil filler cap back on, a small pebble about 1-2mm fell into the engine. I looked around for it and could not find it and than i got called to work so i had to drive it. I was...
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    Blower motor nightmare

    2005 grand prix gtp comp-g Hey, So the other day i took my car for a car wash, it was pretty cold about -32F, did not think much about it, after the car wash i had the heat blowing high on the windshield so i did not fog up and drove for about 15 min back to my place. Later that day i went to...
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    removing battery from 2005 grand prix!?!?!

    my battery needs to be replaced, i picked up a new one but i cant get the old one out, I unbolted the battery cables and released the battery clamp bolt at the bottom, i removed the bracing bar that goes to the strut. Now it appears this whole fuse box is in the way, I unbolted the two top bolts...
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    Trans Temp too low?

    2005 Grand prix GTP-comp g So last summer i installed a transmission cooler after getting temps around 212F after my rebuild. So after the cooler install the temps always sat around 180. Now that its winter and its starting to get cold i have noticed my transmission never quite gets there...
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    installing a transmission oil cooler

    alright so I picked up a transmission oil cooler from TEP the $100 and some one. (webpage is not loading so I cant get you the model number) anyways im having problems mounting it to the rad. Everything else looks easy and just cant find a solid way to mount this. There is 2 groves outside the...
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    transmission temp too high?

    hey 2005 Grand prix gtp comp-g 157000 KMS So last winter i had a full rebuild done on my transmission. It did not go smoothly and the shop was a bi*ch to deal with, you can read about it on previous threads i started if you wish. Anyways now something new has popped up and wanted to know if...
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    suspension knocking sound

    2005 grand prix gtp comp g 160000kms Hey Im having a weird knocking sound on the driver side when i drive over any little bumps, its pretty loud too. It sounds as if the stabilizer link came lose on one end and was banging against the strut or control arm. I replaced my lower control arms with...
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    Hard shifting caused by fuel relay!?!?

    Hey, OKAY, So i have been dealing with a hard shifting issue for months now, Pretty much a hard 1-2 shift and hard 2-3 shift, It would rev high to like 3000-4000 then drop into the next gear. It would go away if i restarted the car, here's the original thread for that if you want to get up to...
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    Wiper Transmission?

    Hey So my wipers stopped working, They would'nt move at all so i tried taking it apart to see if i could find an issue. Nothing, so i figured the wiper motor is done, So i pulled a motor from a junker and took it to a shop to install. They installed the motor and said the wipers wont park and...
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    Bogging, Hesitation, Hard shifts

    So this is pretty much a follow through from this other thread i piggybacked on for a little while here the thread if u wanna read it. http://www.grandprixforums.net/weirdness-bogging-shifting-65647.html So i got a 2005 Grand prix gtp comp i have replaced plugs and wires, tranny fluid and...
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    no shift indicator light

    Hey, I bought a 2005 grand prix gtp comp-g a few months ago and finally noticed i have no up shift indicator light when in manual mode. It does not show up on the HUD or dash or DIC. Ive tried turning the HUD off to see if it would show up than but nothing. Is this a feature that might of been...
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    horrible time replacing strut mounts.. HELP

    Well this whole day has been one big long piss off... First, Removing the strut assembly went okay until i had to remove the bottom two bolts at the knuckle behind the rotor. One of the bolts just would not pop out... so i turned it once to pop it not knowing about those special threads in...
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    Popping noise whenever i move from a stop

    Hey I have a 2005 grand prix gtp comp-g 150000 kms Whenever i move from a stop such as a stop sign or a red light i hear a pop sound coming from the front of the car, i can feel it in the peddle as well. I recently changed the control arms on both sides. I thought maybe a caliper was sticking...
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