Thread: Grand Prix pain in the...everything!

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  1. #21 Re: Grand Prix pain in the...everything! 
    GrandPrix Junkie spazzz's Avatar
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    Quote Originally Posted by HVACgtp View Post
    I waited long enough, I tried at first using the bleeder valve, the car was overheating when I tried using the bleeding screw. Screw was almost taken fully out. I had a mix of air then a stream of coolant come out while the car was running and after 25 mins of trying it was continuing to over heat. Looked in the oem manual and told me exactly what I posted. My 01 gt I replace the thermostat and tried bleeding it through the screw to no avail again. Do it the way I posted and it will be filled properly every time. Once I did this the car cooled and haven't had a single problem
    well there ya go....thanks Nick....hopefully with all the info these steps will cool their jets
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  2. #22 Re: Grand Prix pain in the...everything! 
    GTP Level Member FriboRage's Avatar
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    When I first replaced my coolant on my NA car, 2008, I never got it to fully bleed, using the bleeder screw and having the rad cap open. I always heard air bubbles in the dash after shutting the car off from that day forward, until I did my hv3.

    I didnt torque the plenum bolts down right so I ended up getting a massive coolant leak when I was trying to leave work one day. Bolted everything down tight, filled the coolant back up in the parking lot, started the car and I let it bleed for almost a half hour and I still heard gurgling when I got into the car.

    In the stress of the moment, I actually forgot to close the bleeder screw before I left to drive home and about half way home I stopped hearing the gurgling. Opened the hood when I got home and discovered the bleeder was open, cranked it shut. Never heard the bubbles again.

    My thought is that from going up and down hills, revving the motor and slowing, etc as part of normal driving, the motor was put through all kinds of up/down angles and engine speeds and that did a lot to work the air out of the system. From then on I've always suggested people let the car warm up and then take a short spin around the highway with the screw still cracked open.
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  3. #23 Re: Grand Prix pain in the...everything! 
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    Wow, been busy on here today. I a collecting all this and passing the info on to hubby. He goes on vacation on the first so in between trips to the woods I will have him try these things. I want to thank every one for their input and hopefully we will resolve the problem!
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  4. #24 Re: Grand Prix pain in the...everything! 
    GTX Level Member HVACgtp's Avatar
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    No problem!
    2001 Silver GT; K&N Intake, 2.5in catback to flowmaster 40's, custom tune, led tails drag wheels and halos......SOLD
    2004 Silver GTP - its got some stuff http://www.grandprixforums.net/deja-vu-71112.html
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  5. #25 Re: Grand Prix pain in the...everything! 
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    My bet is that the T-Stat is incorrectly installed or your Radiater Cap is suspect!
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