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Thread: Frozen Tonno

  1. #1
    Sr. Apprentice
    Join Date
    Apr 2009
    Thompson, Manitoba, Canada

    Default Frozen Tonno

    Alright so I know the solution is warm it up but where I live right now it is -45 celsius with the wind chill and will probably get colder. My tonno is a Roll-n-Lock and it is not the automatic one. When I try and open it it is not the gasket part that keeps the water out that is frozen but the locks that attach to my tailgate that is frozen (well I think, I have not got it open yet). Anyways I was just wondering if you guys had any tips so that this does not happen again, short of running two interior heaters into the bed of my truck. Thanks for any help!
    2009 GMC Sierra SLT White Diamond Crew Cab 4x4

  2. #2
    Legend s5belford's Avatar
    Join Date
    Apr 2009
    Kalamazoo Michigan


    it will freeze again, but warm water would be a quick fix....?


    2009 Silverado LT1: All Star Edition
    5.3 Liter V8 4x4

    Locking Rear Differential
    3.73 Rear Axle
    Fog Lamps
    Factory Remote Start
    Locking Tailgate
    20" Wheels

    Rear Wheel House Liners
    Molded Mud Flaps
    Stainless Nurf Bars
    Driver Information Center
    20% Tinted Windows
    Low Profile Diamond Plate Tool Box
    GM Bed Liner
    Silver Birch Metallic Mirror Covers
    Silver Birch Metallic Vent Visors
    Flowmaster Super 40 (knock off)
    20" Wheels
    Bed Rail Protectors
    Extang Tonneau Cover

  3. #3


    I don't know if it will help or make it worse, maybe saturate the mechanism with WD-40?

    XS ive1:(^^^)
    2008 Silverado Crew LTZ Southern Comfort conversion
    SoCo cat back duals
    Volant CAI
    6" Pro-Comp lift
    ARE cap with Yakima rack system (winter)
    GM Hard tri-fold tonneau (summer)
    GM rear wheel liners

    XS ive2:(avatar)
    2014 Silverado 2500HD CCSB LTZ Z71 6.6 DMax/Allison
    6.5" BDS 35" Nitto Trail Grapplers
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    Getting the toys to the track with a 2007 Roadmaster 7X12 V-Nose 7k tandem "Mobile Man Cave".

  4. #4

    Cool frozen tonno

    Move to a warmer climate?

  5. #5


    Try spraying the locks with silicone, it'll keep the parts lubricated better than WD-40 and make it harder for ice to stick.
    You might also try buying one of the small cans of door lock thaw sold at most auto parts stores.

  6. #6
    Sr. Engineer
    Join Date
    May 2009
    Manitowoc, WI


    This might seem really primitive, but did you try pounding on the cover with your fist? I used to have a pace edwards jackrabbit cover that would freeze up in winter, a couple hits was usually enough to break the ice in it loose so it would work.

  7. #7
    Jr. Apprentice
    Join Date
    Jun 2007
    Portage la Prairie, Manitoba, Canada


    haha!! I undertand fully what your going through. I washed my truck 2 days ago when the cold went full swing and my tonneau cover froze shut. I just left it at my girlfriend's work inside their shop for the night.
    2009 Chevy Silverado Ext. Cab w/ Z71 Plus (4x4)

  8. #8


    Even i am very much interested to know this......this is really very big issue........can anyone tell me the solution how to avoid this.......any information is highly welcomed...

  9. #9


    We all have to know if this worked out!

    10 Chevy Traverse LT AWD
    02 Chevy Trailblazer LS (110K+ miles - loaded except for 4WD - WRECKED!)
    99 Chevy Cavalier LS (105K+ miles - commuter car)
    78 Chevy Suburban Silverado (454, 3/4 ton)
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  10. #10

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    Silicon spray, do not use warm or hot water. Warm and hot water create condensation that freezes VERY quick, use extremely cold water or rubbing alcohol, thus creating more time for the water to drain out of the locking area without it freezeing so quick, but at the same time use a can of compressed air to help blow the water out then get a good coat of silicon spray, keep us posted
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual

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