2011 Silverado transmission

Discussion in 'GM Powertrain' started by Madmantrapper, Nov 23, 2010.

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  1. Madmantrapper

    Madmantrapper New Member

    I have a new silverado with a 5.3 engine and a 6 speed automatic trans. How do I know which trans this is? It has the towing package and cooling package. It is also snow plow preped.
  2. stephan

    stephan New Member 1000 Posts 100 Posts

    Welcome to the GM truck club Madman.
    Look on the window sticker you got & see if it lists the trans as an extra charge for speciality $$$ Then try asking the dealership you bought it from, or you can try plugging your vin & rpo code in here --> http://www.compnine.com/vid.php

    The link may not be updated to your vehicle yet but it's worth a try. The site has some problems at times because it doesn't list my vin from my '88 Silverado so who knows???



  3. Madmantrapper

    Madmantrapper New Member

    Thanks for the reply. I tryed using the vin number but all it does is give the engine not the trans. The sticker showed an ungrade to the 5.3 engine and a 6 speed automatic trans. It has a manual mode for the trans. I am wondering if it is Allison trans or not. It has a 9800 pound towing capacity.
  4. mfleetwood

    mfleetwood Moderator 1000 Posts 100 Posts

    Stephan -- GREAT link!! Now I don't have to keep running back and forth to my glove box everytime I need to check to see which RPO codes I have.
  5. ChevyFan

    ChevyFan Administrator Staff Member 1000 Posts

    Is that link still valid?

  6. 99'HEARTBEAT

    99'HEARTBEAT Moderator Staff Member Platinum Contributor 1000 Posts 100 Posts

    Steve.....No the Link is no longer Valid.


    Last edited: Dec 19, 2011

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