1992 Chevy S-10 no 4wd hi !

1992 CHEVROLET S-10
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KLIONFAN
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Drive Train Axles Bearings problem
1992 Chevy S-10 6 cyl Four Wheel Drive Automatic 175.0 miles

my 92 S10 blazer 4wd hi will not work, sometimes
if you disconnect the battery for a while it will work for a few days then it stops again.
Feb 10, 2009 at 1:27 PM
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2CARPRO JACK
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There are a few things to check.
All vacuum lines from engine to actuator (under battery tray)
Actuator cable to diff damaged
Faulty vacuum switch
Transfer case linkage
Transfer case selector ring
Is this a push button system or lever actuated?
Does 4 low work?
Feb 11, 2009 at 12:06 AM
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KLIONFAN
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yes the 4wd low does work
Feb 11, 2009 at 9:43 AM
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2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
Need to check to see if the front driveshaft is driving in 4-hi when it wont work to see if it is a diff or t-case problem
Feb 11, 2009 at 12:00 PM
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