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  1. #1

    Default 2003 topkick lug nut size?

    Can anyone tell me the socket size i need to remove the wheels
    Click image for larger version. 

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    on a 2003 c4500 I think it's 30 mm but not sure

  2. #2

    Default

    You're not trying to steal the wheels off that ambulance, are you?

    Seriously though, Welcome to the club!

    I don't know the answer to your questions, but I know we have a few Topkick / Kodiak owners here so I'm sure someone will be able to answer your question soon.

    2001 Silverado Reg. Cab Not-So-Base -- SOLD
    2003 Avalanche Z71. No Cladding. Check out my Mod thread.
    1974 Triumph Spitfire 1500 - Work in Progress
    2003 Sierra 3500 Duramax. The Newer, Better Work Truck


  3. #3
    Jr. Mechanic pychokenny's Avatar
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    Jun 2010
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    Parkin, Arkansas, United States
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    Default

    Year Model
    Bolt Circle
    Lug Nut
    Size
    Style
    Finish
    Set Number
    Price
    2003-2010
    8-275MM
    M20X1.5
    19.5X6.75
    "U call we haul U bitch we unhitch.''
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  4. #4

    Default

    Just pull into the local parts store and they will let you size up a socket. Some will even bring a couple out and help you get the right one. Or go to a discount tire store and ask them . they will even check your air for free while helping you
    2010 Chevy Silverado Z71 ext cab.4x4
    72 Monte Carlo 350-415 hp- sold (June 2011) to pay medical bills
    79 Impala 350 4bbl 375 hp- sold (June 2011)to pay medical bills
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