Thread: 2004 CompG - Thought I could delete all my posts; Nothing was ever wrong with the car

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  1. #1 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Quote Originally Posted by Drunkie View Post
    This is another area too, if you haven't done it.
    I should replace the struts too along with the mounts. They are original and have 80k on them. Although that will have to hold off as it is quite pricey for FE3 struts. I just want to eliminate the clunking first and if its subframe bushings thats a much cheaper fix. I just want to make sure thats them. Clunking upon acceleration could have been many things and I have eliminated most of them. I am hoping its the subframe bushings as you said if its an easy job. I will get to them eventually but I need to save up on some cash first as I already spend a bunch on parts in the last month. Would you say a subframe busing replacement take more time that a strut replacement?

    What do you think caused my P0420 code. I cleared the code two days ago and it has not come back. I find it hard to believe its my cat as it only has 80k miles on it and my exhaust has not foul smell or white smoke. Also not sure if it is the O2 sensors either because my gas mileage has been consistent 10-16 city and 25-30 highway. Also th car does not hesitate or has had any loss of performance.

    The code came on on the highway on the 240+ mile trip back home two days ago.
    Last edited by SpeedGrid; 07-22-2014 at 07:41 PM.
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  2. #2 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
    #Billsnamechangessuck MrPoopyButthole's Avatar
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    Quote Originally Posted by SpeedGrid View Post
    I should replace the struts too along with the mounts. They are original and have 80k on them. Although that will have to hold off as it is quite pricey for FE3 struts. I just want to eliminate the clunking first and if its subframe bushings thats a much cheaper fix. I just want to make sure thats them. Clunking upon acceleration could have been many things and I have eliminated most of them. I am hoping its the subframe bushings as you said if its an easy job. I will get to them eventually but I need to save up on some cash first as I already spend a bunch on parts in the last month. Would you say a subframe busing replacement take more time that a strut replacement?

    What do you think caused my P0420 code. I cleared the code two days ago and it has not come back. I find it hard to believe its my cat as it only has 80k miles on it and my exhaust has not foul smell or white smoke. Also not sure if it is the O2 sensors either because my gas mileage has been consistent 10-16 city and 25-30 highway. Also th car does not hesitate or has had any loss of performance.

    The code came on on the highway on the 240+ mile trip back home two days ago.

    Why Fe3 struts? You can get KYB Excel-G's for cheaper and they are just as good, if not better. Not everything has to be OEM.

    P0420 is Cat or rear o2 sensor, couldn't tell you more than that, one of the two is failing...or nothing, it just decided to be dumb for a minute and threw the code and maybe you won't see it again for ages.

    Cry havoc and let slip the dogs of war.
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  3. #3 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
    I live here. Slick2500's Avatar
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    Not bad.

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  4. #4 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Okay so I plan on going to add sway bar bushings as well, since I have the Comp G with FE3 suspension, what size bushings do I need?

    Moog has three types, .80", 1.18", and another for 1.34" suspension.
    Last edited by SpeedGrid; 04-23-2014 at 05:24 PM.
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  5. #5 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    asndmasnd.knasdknas.kdas
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  6. #6 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Okay so I plan on going to add sway bar bushings as well, since I have the Comp G with FE3 suspension, what size bushings do I need?

    Moog has three types, .80", 1.18", and another for 1.34" suspension.
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  7. #7 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    .80" = 20mm
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  8. #8 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Quote Originally Posted by spazzz View Post
    .80" = 20mm
    Would that size be for both the front and rear sway bars?
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  9. #9 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Looks like for the rear it's...MOOG Part # K200318 from Rock auto
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  10. #10 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Noticed your post on GPONA, but it's buggin out and won't load.

    So check this link out because it will solve your dilemma.
    http://www.azclubgp.com/kb.php?mode=...21aadb654650ee
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  11. #11 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Quote Originally Posted by spazzz View Post
    Noticed your post on GPONA, but it's buggin out and won't load.

    So check this link out because it will solve your dilemma.
    http://www.azclubgp.com/kb.php?mode=...21aadb654650ee
    Yep saw the link. I know that the rears will need the 20m or the .80' but I still dont know what size I need for the fronts in terms of what Moog has to offer. So is it the 1.18' or the 1.34" for the front?
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  12. #12 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    I'm gonna do the 20.5 energy suspension for both, like dude did in that thread.
    For front and rear it's $40 shipped thru their website or Amazon. Oreillys and Advance have them.

    You would need the .80 for the front, hopefully it doesn't bind. 1.18 would be for the Dorman 30
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  13. #13 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Since I will be doing all of this, I think I am going to change the motor mounts to both the engine and the transmission.

    Which parts to you guys recommend and do I need two engine mounts for both right and left sides for both the transmission and the engine?
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  14. #14 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Get solid mounts. You need a motor mount and trans mount
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  15. #15 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Quote Originally Posted by dsmuts View Post
    Get solid mounts. You need a motor mount and trans mount
    That sounds good, so I will be needing only two mounts one for transmission another for the motor?

    Also, which ones do you recommend I buy feel free to share the ones you use of would use if you had to change the mounts?

    Share the link or model number here if you know it.
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  16. #16 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    You have a transmission mount (driver side) and a motor mount (passenger side). Then you have your upper dog bone mounts. Probably don't need to mess with those. So you sir need a total of two mounts.

    As for the transmission mount and motor mount, just shop around, brand doesn't matter a whole lot with those. BUT if you do order solid ones, shake them and listen to them. Some of the "solid mounts" still come hydraulic. Try rockauto that's where I bought mine, and you can get a 5% off which usually pays to ship them.
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  17. #17 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Quote Originally Posted by brandonl2000 View Post
    You have a transmission mount (driver side) and a motor mount (passenger side). Then you have your upper dog bone mounts. Probably don't need to mess with those. So you sir need a total of two mounts.

    As for the transmission mount and motor mount, just shop around, brand doesn't matter a whole lot with those. BUT if you do order solid ones, shake them and listen to them. Some of the "solid mounts" still come hydraulic. Try rockauto that's where I bought mine, and you can get a 5% off which usually pays to ship them.
    Thanks for the info Brandon.

    For one thing GM did another thing right with this car in terms of parts. Most cars I have seen require four mounts with two for each side.

    Besides the annoyingly placed Power Steering Pump, Plastic Cooling Elbows, PITA accessible rear spark plugs, and tons of leaks this engine is known for, this is positive thing to know.

    Plus I get to save money in buying two parts instead of four.
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  18. #18 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    To help with solid mount stuff you could flip your dogbones if you haven't already for less engine movement for free

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  19. #19 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
    Turbo is the way to go. REDCRAPGP's Avatar
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    Or just get poly for the square mounts..
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  20. #20 Re: My 2004 Grand Prix Comp G (Suspension Revamp Arriving Eventually) 
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    Quote Originally Posted by REDCOMPG View Post
    Or just get poly for the square mounts..
    From intense not zzp


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