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  1. #1

    Default Weird Issue or NOT

    Has any buddy ever tried to put there AUTO truck, 2006 chev silvy crew cab 5.3ltr or any other vehicle for that matter in 2 nd gear when stopped and then try to take off in second gear. Well my truck is very sluggish when doing this. I also tried this in 3rd gear but seems to be alright. It seems that the truck is actually in second gear is this normal. I may be wrong but shouldn't the truck still start off in 1st gear and just not go past second gear?

  2. #2
    Sr. Engineer
    Join Date
    Oct 2010
    Location
    Indianapolis, In
    Posts
    487

    Default

    My 2000 Yukon behaves the same way as has all of my automatic vehicles. First and second are selectable, third and overdrive act as in drive and select whatever gear the tranny thinks apropriate. I have used second gear to start on ice and hard packed and slippery snow, a bit harder to overpower the available traction.
    2000 GMC YUKON SLT, 5.3L tow pkg, G80 rear/w 3.73 gear

  3. #3

    Default

    IIRC they're setup to do that if you're in slippery conditions like the previous poster said...
    2011 Silverado LT Crew Cab 4x4
    Black w/Cashmere Leather & Chrome Package
    2009 Jeep Wrangler Sahara Unlimited
    2005 Itasca Sunrise 38J Motorhome W24 Workhorse Chassis

  4. #4

    Default

    second starts in second and third starts in first. It is actually a good feature up here in the rust belt.
    "If it ain't one thing, it's a mother******g nother"

  5. #5
    Jr. Mechanic SoundZman's Avatar
    Join Date
    Apr 2009
    Location
    Santa Clarita, CA
    Posts
    106

    Default

    That's good info. I've never actually tried that and I've driven through snow a number of times...thanks!
    >>>2003 Suburban K1500 LT<<<

    Currently:
    ~Rear overhead DVD
    ~Orion 600D
    ~ 12" Acoustic Elegance AV12
    ~Hankook ATM DynPro A/T's
    ~Flowmaster exhaust

  6. #6

    Default

    If you feel that this is the result of some kind of concern, I would recommend contacting your local dealer for more assistance. I can also look into this for you with your VIN. Please feel free to contact me privately with further questions. Thank you.

    Tricia, GM Customer Service.

  7. #7

    Default

    Like everyone else has said, this is normal behaviour. The transmission operates that way so that if you are driving in slippery conditions where less torque will get you better traction while accelerating you can select 2nd gear. This way the truck is lower in the rpm range at the same speed which means less power and less torque, which can save you some wheelspin and some time when trying to accelerate on ice. I know from experience driving my old regular cab long box 2wd truck in the winter (rear traction was a pretty serious issue in the winter with that truck)

    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


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