Thread: 2004 gtp comp g thudding problem

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  1. #1 2004 gtp comp g thudding problem 
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    Hey I am having a weird issue with my 2004 GTP Comp G, when turning left I get a repetitive thudding noise and it thuds faster when going at faster speeds. Also a vibration can be felt through the steering wheel. After 2200 dollars in repairs to brakes, a wheel bearing and a full inspection and other things the problem still still exists. thoughts?
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  2. #2 Re: 2004 gtp comp g thudding problem 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    $2200 for brakes and a wheel bearing? YIKES!

    Have you checked your CV joint?
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  3. #3 Re: 2004 gtp comp g thudding problem 
    GrandPrix Junkie NegativeOne13's Avatar
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    Holy bananas! I would check your CV shafts as well. Also its more of a popping sound/feel is the intermediate steering shaft.

    And smile it's Blacktooth Grin!
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  4. #4 Re: 2004 gtp comp g thudding problem 
    Killa Bee Scottydoggs's Avatar
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    i have to ask, what kind of brakes cost 2200 bucks? a wheel hub maybe 300 or so installed, so 1900 for brakes?

    and their inspection failed! i would have been right back at the shop saying its not fixed!

    and can i be your mechanic? i need money like that. i replaced all 4 rotors and pads on my car for just under $200.


    all joking aside check the cv boot for damage and grease that may have been slung all over, if so its for sure your noise.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: 2004 gtp comp g thudding problem 
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    I got a few things done to my car, control arm replace and brushing. Oil Change, Emission Test, Alignment, Ceramic pads and brake rotors for both front and back, and a wheel bearing. What they fixed needed fixed but they didn't fix what I brought it in for. Also I thought it was the CV Joint but they said that it wasn't when I brought it in. I am taking it elsewhere to do the rest of the work and find the true problem... I will let you all know what it is once I get it all fixed up... and yes I feel ripped off.....
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  6. #6 Re: 2004 gtp comp g thudding problem 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by Kodiak19 View Post
    I got a few things done to my car, control arm replace and brushing. Oil Change, Emission Test, Alignment, Ceramic pads and brake rotors for both front and back, and a wheel bearing. What they fixed needed fixed but they didn't fix what I brought it in for. Also I thought it was the CV Joint but they said that it wasn't when I brought it in. I am taking it elsewhere to do the rest of the work and find the true problem... I will let you all know what it is once I get it all fixed up... and yes I feel ripped off.....
    thats still a boat load of cash, but then again i was quoted 800 for tie rods lca's an alignment, and strut mounts. i forget what they wanted to swap out the strut mounts, im thinking like 150 or 200, i was like, theres only 5 bolts holding them in right???? he nodded yes, and i walked out. and he stood there with 5 people waiting for their cars to be finished looking like a jerk.... the waiting room was like 10 x 5 so they heard it all lol

    the following week i removed the struts and dropped them off at the shop to swap out the mounts,( 25 bucks for labor) replaced them on my car and then i had my tie rods done (myself) and a alignment done,(70) so 800 quickly turned into about 300 or less.

    i really hate giving my money away for stuff i can do with minimal tools. some stuff you are better off having it done,(alignment and strut mounts, who wants a spring in the head) but most of the time its all me.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #7 Re: 2004 gtp comp g thudding problem 
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    Its all fixed up now, it was the whole bearing and assembly, the first guys just didn't catch it. Thanks for all the help!
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