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  1. #1

    Default 1996 Suburban 1500 4x4 Transmission type

    What type of transmission do I have 4l60e or 4l80e?


  2. #2


    Assuming gasoline engine, you have a 4L60E.

    Anticipating the next question, you should know that not all 4L60E's are created equally. If you are asking this question because you are shopping for a junkyard tranny to throw in your Suburban, you need to look into which years will interchange. If memory serves, you need a '96-'98 4L60E. That doesn't necessarily mean other years can't be made to work (anything can be made to work with enough time, money, and human ingenuity), but they won't be simple "plug and play" replacements.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  3. #3


    I was asking because I am towing a large trailer and wanted toknow if my transmission could be put into overdrive while towing on flat ground. I was told that even on flat ground with the size of my trailer that overdrive would destroy my 4l60e.


  4. #4


    I cooked my suburban tranny coming home from the cape this year towing in overdrive. It is a fairly flat trip but my truck had a ton of miles on it and the tranny was never really right to begin with. But on my dad's suburban he towed in overdrive only on the highway and never had a problem.
    1999 GMC Sierra 2500 350 vortec
    1967 Jeep M725 ambulance 230 tornado
    1990 Cherokee Limited- 3 inch lift on 33's
    ...and every one of em has issues

    If you have any questions or problems don't hesitate to send me or any other GMTC moderators a PM

  5. #5


    My engine has 150k but my trans only has 30k, but I guess Ill just drive in 3rd tobe safe.


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