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  1. #1

    Default Transmission Snapped @ 85MPH

    Hello Forum, thank you for any thoughts you can share....It is a 1997 Chevy C1500 5.7L, not sure which transmission it has either 4L60, 4L60E or the 4L80.....His story is driving on the I440 running 85MPH he feels the vehicle start to shake and then a loud pop, pulls over parks it....I picked it up after unloading you can see in the pictures what happened to the transmission.....any thoughts on what happened would be appreciated....
    Attached Thumbnails Attached Thumbnails 2012-09-09_11-07-27_386.jpg   2012-09-09_11-07-09_709.jpg   2012-09-09_11-07-33_125.jpg  

  2. #2

    Default

    From the line on the torque converter it sure looks like it was rubbing on something for a few minutes. I don't really know what would have caused damage like this. I would only be guessing, but how do the motor and transmounts look? even if the input shaft on the trans went out I would have to say that the torque converter is bolted to the flywheel so that is going to stay in the correct place. So there had to be movement between the motor and trans. That is my .02 cents.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

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