1995 GMC Sierra 4 wheel drive does not engage.

Tiny
PCMCKEC
  • MEMBER
  • 1995 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 207,000 MILES
The 4 wheel drive on my 1995 GMC Sierra does not engage. Can you give me an idea what the problem might be and how to go about fixing it myself if possible.

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Sunday, December 21st, 2008 AT 1:30 PM

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Tiny
RACEFAN966
  • EXPERT
Ok you will need to check the front axle actuator and the transfer case switch and make sure they are working right. The front axle actuator you can remove from the front axle and plug it back in and see if it extands when you put it in 4x4 and if it contract as put it in 4x2. Let me know how this goes and we will take it from there. To do more test you may need a test light and a digital multi meter.
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Monday, December 22nd, 2008 AT 11:31 AM

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