1999 GMC Sierra four wheel drive

1999 GMC SIERRA
100,000 MILES • V8 • 4WD • AUTOMATIC
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DAVE ROTENBERGER
  • MEMBER
  • 1 POST
four wheel drive will not engage. changed actuator and it still won't work. just wondering what else I can check
Feb 29, 2008 at 11:54 AM
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QUAGMIRE
  • MEMBER
  • 10 POSTS
If it is push button 4WD, replace the button assembly.
May 10, 2008 at 8:14 AM
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