1995 Chevy S-10 4 wheel drive will not engauge

1995 CHEVROLET S-10
103,900 MILES • 6 CYL • 4WD • AUTOMATIC
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BECKH0421
  • MEMBER
  • 1 POST
front wheel will not engauge
no current to front diff
Nov 16, 2008 at 9:45 PM
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SWILLIAMS
  • CERTIFIED EXPERT
  • 597 POSTS
Check the vacuum lines to the front axle actuator (located near the battery). If you shift into 4X4 and don't have vacuum to the line on it then the problem is likely the vacuum switch on the transfer case. It isn't hard to change. If you do have vacuum then you will need to check the cable and the actuator fork itself for operation.
Nov 17, 2008 at 10:27 AM