07 Dodge R1500 P0456 ? look here, with pictures

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  • greasybob
    Senior Member
    • May 2008
    • 1590

    07 Dodge R1500 P0456 ? look here, with pictures

    Had an 07 Dodge R1500 5.7 with a P0456. Evap leak small. I smoked it with the Super Smoker and it kept showing about a .025 leak. I couldn't see any smoke so I dropped the Tank to get a better. Smoked just the tank and evap lines and there it was leaking around the pump. A closer inspection and I could see that the O ring was tight but the pump had a bunch cracks all around the lip where the retainer ring clamps it to the tank. I couldn't see the smoke with the tank installed because there is a plastic cover on top of the pump assemble.
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  • Joe Rappa
    Snap-on DSD
    • Aug 2007
    • 2050

    #2
    nice find!
    Joe
    "You don't build a reputation on what you're going to do"
    Henry Ford

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    • Witsend
      Banned
      • Nov 2012
      • 2942

      #3
      Definitely not a $5 Dorman molded vacuum hose fix. Lord, just keep these fine Chrysler products around and coming in for years to come .

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      • omemee1
        Junior Member
        • Sep 2016
        • 4

        #4
        DODGE fuel pump 456 evap leak

        I use dawn dish soap water and glycerin on those pumps on smoke test may not see smoke but you will see huge bubbles IN ontario roads are dirty salt sand etc and lays on top of pumps and dilutes smoke

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