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  1. #1

    Default 2004" Chevy 2500 4WD, Doesn't Work In Reverse, Help??

    I recently found out that my 2004 chevy 2500 6.0l automatic. When engaged in hi/lo/auto 4x4 the four wheel drive doesn't work in reverse. Trying to get it fixed before the next snow storm. Any Help would be greatly appreciated.

  2. #2
    Sr. Mechanic
    Join Date
    Jun 2011
    Location
    Tuscaloosa, AL
    Posts
    157

    Default

    But it works in drive?
    2004 GMC Sierra SLT 6.0L 4x4
    UWS Low Profile toolbox 10% tint front and over stock back tint
    AirAid MIT and K&N airfilter
    BlackBear Performance

  3. #3

    Default

    Welcome!

  4. #4

    Default

    Quote Originally Posted by sierra11 View Post
    But it works in drive?
    Yes it works occasionally in drive

  5. #5
    Sr. Mechanic
    Join Date
    Jun 2011
    Location
    Tuscaloosa, AL
    Posts
    157

    Default

    Are you getting any messages on the dash? I was having similar problems but got it fixed. On these models they have problems with the actual 4x4 switch. It will go bad and work sometimes and sometimes not. Basically the push buttons stop to work. Thankfully its a cheap fix, you can go to gmc or chevy and ask for a 4x4 switch and it'll cost around $120. You can install it yourself in 5minutes by popping of the dash cover.
    2004 GMC Sierra SLT 6.0L 4x4
    UWS Low Profile toolbox 10% tint front and over stock back tint
    AirAid MIT and K&N airfilter
    BlackBear Performance

  6. #6

    Default

    It stopped working all together.

  7. #7
    Sr. Mechanic
    Join Date
    Jun 2011
    Location
    Tuscaloosa, AL
    Posts
    157

    Default

    I'd go with the route of replacing the 4x4 switch. First just to check go have someone hook it up to a computer and see if there are any codes being thrown and then go from there.
    2004 GMC Sierra SLT 6.0L 4x4
    UWS Low Profile toolbox 10% tint front and over stock back tint
    AirAid MIT and K&N airfilter
    BlackBear Performance

  8. #8

    Default

    if the switch dosnt fix it, try the encoder motor, and check the linkage.

    Alex


    2011 GMC Sierra SLE 5.3 Z71 4X4 Stealth Gray Metallic / 2004 Chevy Impala LS 3.8 Cappuccino

    Tow mirrors - Diablew Tuned - Flowmaster Regular 40 - Ready Lift 2.5' lift - BFG LT A/T K/Os - Carr Light Wing - TruckLite LED lights - Optima Red Top - 50% Front Window Tint - Line-X bedliner - Airaid MIT - Tekonsha P2 - ARS Billet Grill - Fia custom fit seat covers

  9. #9

    Default

    Welcome to the club, it's good to have you here.


    2002 Chevrolet Silverado Extended Cab SportSide: See Mods in My Garage

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