Question about 2000 GMC Yukon XL

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2000 gmc yukon xl 4x4 wont engage

When u push 4hi or 4 low. light just blinks and wont engage.it worked fine 10 minutes befor that I HAVE THE SAME PROBLEM,WHEN I TRY TO ENGAGE 4W/LO OR HI OR AUTO 4W , I CAN HEAR THE TRANSFER CASE,BUT THE FRONT AXLES WILL NOT ENGAGE.I CAN HERE THE TRANSFER CASE DISENGAGE WHEN I SHIFT OUT.LIGHTS JUST BLINK. IS IT POSSIBLE AXLES ARE FROZEN?

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See my posting re this at my name: rlf107. $115 in parts and labor solved for me, on a 2000 Yukon XL

Posted on Feb 28, 2009

  • rlf107 Nov 22, 2009

    My 2000 Yukon XL with 5300 engine had same problem at 115,800 miles in Aug 2006(I bought the vehicle new January 2000)...My GMC dealer did diagnostic and replaced a faulty 4WD Transfer Case Shift Control. (reading from the service invoice) It was GM part number 15709327. Cost for the repair was $41.48 + labor $74.13, total was $115.71...it now has 165,000 on it and so far no problem and the 4WD works when I need it.

  • Irene Kenny-Gundersen
    Irene Kenny-Gundersen Oct 21, 2012

    I actually had the transmission and transfer case replaced, and still have nothing except 2Hi any other solutions to this problem?

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Try replacing decoder module on transfer case they are known to go bad causing same problem.

Posted on Jan 03, 2009

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