Thread: Rear bumper removal - 2004 GTP.

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  1. #1 Rear bumper removal - 2004 GTP. 
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    Anyone out there have a quick and dirty .doc or .pdf on how to remove the rear bumper cover for a 2004 GTP? The GF borrowed it today and closed the garage door on the bumper!

    I'm either going to paint it myself or take it somewhere...but all I have for equip right now would be rattle can OEM black.
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  2. #2 Re: Rear bumper removal - 2004 GTP. 
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    you want it on the car when painted, unless you like it not matching
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  3. #3 Re: Rear bumper removal - 2004 GTP. 
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    I agree, get it painted on the car but here's how in case you need to remove it for repairs or something other than paint.

    1. Raise the rear compartment lid.
    2. Apply tape to the fascia and adjacent surfaces.
    3. Remove the rear compartment sill plate.
    4. Pull the left and right compartment side trim panels down to access the fascia bolts (1) and nuts (2).
    5. Remove the tail lamps.
    6. Remove the fascia bolts (1) and nuts (2) from the rear bumper fascia.
    7. Remove the push-in retainers (3) from the top edge of the fascia.
    8. Raise and support the vehicle.
    9. Remove the push-in retainers (5) from the rear bumper fascia using the J 38778 .
    10. Remove the fascia bolts (6) from the rear bumper fascia.
    11. Remove the rear bumper fascia (4) from the vehicle.
    Rear bumper removal - 2004 GTP. Attached Images
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  4. #4 Re: Rear bumper removal - 2004 GTP. 
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    looks like to the shop I go then...
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  5. #5 Re: Rear bumper removal - 2004 GTP. 
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    Hmmm....

    been to 3 shops today for a quote...all want to remove the rear bumper.

    So, I go ahead and do the unthinkable and visit Maaco. They too want to remove it.

    Darn, I wish I never sold my paint gear. $800 for a garage door scratch..$500 if I trust Macro....
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  6. #6 Re: Rear bumper removal - 2004 GTP. 
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    Quote Originally Posted by archemedes View Post
    you want it on the car when painted, unless you like it not matching

    Correct me if I'm wrong but Black is the easiest color to paint.....there should be NO blending need what so ever.....(But I personally wouldn't use a rattle can unless it's a temp fix.....JMO
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  7. #7 Re: Rear bumper removal - 2004 GTP. 
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    Quote Originally Posted by RKELC View Post
    Correct me if I'm wrong but Black is the easiest color to paint.....there should be NO blending need what so ever.....(But I personally wouldn't use a rattle can unless it's a temp fix.....JMO
    depends on the black, there are different shades, and what not (yes it is the easiest to match though)
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  8. #8 Re: Rear bumper removal - 2004 GTP. 
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    Quote Originally Posted by Flip View Post
    All right....GM as ONE black for Grand Prixs .... 8555 paint code.. If you dont remove the bumper to paint it then why waste your money to paint it in the first place.Why do you want paint lines & maybe peeling clear down the road..Remove the bumper it the only way to do it RIGHT. If a bodyshop cant match this black then they have a problem..I would start with the painter.. If it was a Lambo or Bentley I may see what you are saying...7 different blacks on the same year cars.. But it a GM !!!... Sorry for being honest.
    But it has to be mixed, and then the humidity changes color (I ran a body shop and went to school for body work) if you get a line from the paint on a bumper it was applied too heavy. Peeling clear is from bad prep, or incompatible products used (I did the recalls for GM and Chrysler on peeling clear coats) yes it should match, but I have seen it not match, and the bumper being so flexible it will crack while putting it back on (I loosen the bolts if the gaps are real tight)
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  9. #9 Re: Rear bumper removal - 2004 GTP. 
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    a rubber bumper cracks when reinstalled, I have never had an issue with clear peeling from tape, but I had a woman do the taping that all she did was tape, and was great at it. (I also worked in a dealer body shop, and we always reinstalled rubber parts before spraying as they would quite often bend enough to crack the paint) but this is just one of many methods to doing a proper production job (a show job is a totally different animal all together, and I always paint those blown apart, and all parts at once) I used the computer mixing, and have had to go back and fix the mix on them also (GM specifies a 10 step grade on their colors at the factory or at least used to)
    Last edited by archemedes; 01-21-2008 at 11:19 PM.
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  10. #10 Re: Rear bumper removal - 2004 GTP. 
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    Quote Originally Posted by RKELC View Post
    Correct me if I'm wrong but Black is the easiest color to paint.....

    Easy as in color match - hard as in gloss, smooth, no orange peel, no "scratches" etc.
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  11. #11 Re: Rear bumper removal - 2004 GTP. 
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    and keeping clean lol
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  12. #12 Re: Rear bumper removal - 2004 GTP. 
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    No kidding...
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  13. #13 BCM 
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    Somebody knows if its possible reprogram the Body Control Module.
    Because I bougth a used BCM but I try to put into the car, and this does not power on, it appears on Stereo "locked".
    Do I need to buy a new BCM??
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  14. #14 Re: Rear bumper removal - 2004 GTP. 
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    Another question where could I find a rear low cover of grand Prix 04??
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