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Thread: P0449 and P0455

  1. #11
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    Yep, new cap. It didn't change the behavior.
    09 G8 GT SRM Premium Sport Sunroof



    HSV GTS Triple Gauge Pod, GXP Rear Sway Bar and Diffuser, HSV SuperSport Steering wheel, SOLO axle-backs, Magnaflow cats, Red Hot Shift Knob, Auto-dim Mirror, Hood Vent Mod, Removed Intake Cover, Rotofab CAI, Cortex, Infinity door speakers, MTX Re-Q5, Pioneer Amp & RF Sub, LED lows & fogs, Spyder tails, Power Slot rotors, Wagner Thermoquiet pads, Chrome lug covers, Glovebox light,

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  2. #12
    Beyond Help Napalm's Avatar
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    Quote Originally Posted by J Wikoff View Post
    Yep, new cap. It didn't change the behavior.
    sorry then. Good luck with the tank drop
    If Guns Kill people, then Spoons Cause Diabetes

  3. #13
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    Before I tackle this, is it possible to relocate the thing? Should I need to do this again, I'd rather it be simple.
    09 G8 GT SRM Premium Sport Sunroof



    HSV GTS Triple Gauge Pod, GXP Rear Sway Bar and Diffuser, HSV SuperSport Steering wheel, SOLO axle-backs, Magnaflow cats, Red Hot Shift Knob, Auto-dim Mirror, Hood Vent Mod, Removed Intake Cover, Rotofab CAI, Cortex, Infinity door speakers, MTX Re-Q5, Pioneer Amp & RF Sub, LED lows & fogs, Spyder tails, Power Slot rotors, Wagner Thermoquiet pads, Chrome lug covers, Glovebox light,

    Winter-wear:
    Bremmerkraft BR09 winter wheels, Weathertech floor liners, oil pan heater

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  4. #14
    Beyond Help todds87ss's Avatar
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    Quote Originally Posted by Napalm View Post
    sorry then. Good luck with the tank drop

    There is no need to drop the tank...this is a common misconception (similar to "the canister and valve are one piece")

    Quote Originally Posted by J Wikoff View Post
    Before I tackle this, is it possible to relocate the thing? Should I need to do this again, I'd rather it be simple.
    you may be able to...you'd have to lengthen the wires. Look at the 04-06 GTO valve for reference. it's in a much easier place (fender well). Not sure it's worth the effort. after replacement, mine went another 80K (till I sold it).
    Yes for us larger guys that screw can be a pain!

    08 G8 GT, IOM, Rotofab, HSRK, Kooks LTs, track pipes, Custom engine covers, catch can, radiator cover, and tranny tunnel brace. 402hp/396tq - not bad for a bolt -on car.
    8.43 1/8th; 2.01 60' - no skillz.

  5. #15
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    I replaced mine without dropping the tank. Dropped rear cradle which is easy and went in from wheel well. Whole process was less then an hour.

  6. #16
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    Is dropping the tank all that hard relative to the cradle?
    09 G8 GT SRM Premium Sport Sunroof



    HSV GTS Triple Gauge Pod, GXP Rear Sway Bar and Diffuser, HSV SuperSport Steering wheel, SOLO axle-backs, Magnaflow cats, Red Hot Shift Knob, Auto-dim Mirror, Hood Vent Mod, Removed Intake Cover, Rotofab CAI, Cortex, Infinity door speakers, MTX Re-Q5, Pioneer Amp & RF Sub, LED lows & fogs, Spyder tails, Power Slot rotors, Wagner Thermoquiet pads, Chrome lug covers, Glovebox light,

    Winter-wear:
    Bremmerkraft BR09 winter wheels, Weathertech floor liners, oil pan heater

    Admin: www.pontiacbonnevilleclub.com

  7. #17
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    Quote Originally Posted by J Wikoff View Post
    Is dropping the tank all that hard relative to the cradle?
    Dropping the tank instructions:

    Step 1 - remove the rear cradle

    Rotohack 102 intake - 102 MAF - TPIS 102 TB - TVS1900 ported & plated w 8 rib 2.5" front + OD rear
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  8. #18
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    Quote Originally Posted by todds87ss View Post
    you may be able to...you'd have to lengthen the wires. Look at the 04-06 GTO valve for reference. it's in a much easier place (fender well). Not sure it's worth the effort. after replacement, mine went another 80K (till I sold it).
    I think there is a write up with a few pictures showing how to get to this through the rear wheel well, passenger side if I remember correctly. It might be on the other G8 forum.

    However I can't say much about it, a revised gas cap from the dealer did the trick for me
    09 GT PBM - Red/Onyx - Sport, Premium, Roof

    Rotofab, LS7 MAF, Pat G, Kooks 1-7/8 Mids w/ HFC's, Magaflow Cat-Back, 3.45 gears

  9. #19
    Beyond Help Napalm's Avatar
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    AH

    question then - if in the area and with cradle dropped - would you not also take the time to drop the tank - and replace the fuel filter?
    If Guns Kill people, then Spoons Cause Diabetes

  10. #20
    Moderator, Retired -Ray-'s Avatar
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    Fuel filter is in the fuel pump. Cut a hole under the back seat.
    Rest in Peace Charlie!

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    Quote Originally Posted by RichsGreyGT View Post
    this site is hardcore modding central.

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