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2000 GMC Jimmy wont go into 4 wd

Tiny
CHRISALIX35
  • MEMBER
  • 2000 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 139,480 MILES
Hi I just purchased a 200- jmc jimmy the 4wd doesnt work if I push the button for 4 hi or low you can hear the transfercase engadge but the front wheels wont engadge what should I check first thanks chris
Sunday, January 4th, 2009 AT 3:31 PM

2 Replies

Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Hi chris remove the motor from the front axle and dissasemble and clean retry this should fix prob. Billymac
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Monday, January 12th, 2009 AT 9:46 AM
Tiny
THE RAY
  • MEMBER
  • 1 POST
Chris,
I have a 95 gmc jimmy with the push button 4x4 too. I had the same problem. You could hear it and it would feel like it untill you put it back in drive and started driving. This problem was a (vacuum acuator ) located under your battery and battery tray. You will notice it looks like a diapram or horn in a way, this pushes and pulls a cable that keeps the transfer case engaged or dis-engaged. My "vacuum actuator" was torn. I replace it and the cable aswell and it works as it should now. The part is around ($60-$75)
Ray
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Tuesday, February 3rd, 2009 AT 7:37 AM

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