1988 GMC S15 4 wheel drive wont engage

1988 GMC S15
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MAMA2LEXI
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Drive Train Axles Bearings problem
1988 GMC S15 4 cyl Four Wheel Drive Automatic

Hi, I have a 1988 GMC Jimmy S15 that wont engage into 4 wheel drive...any suggestions on repair?
Dec 22, 2009 at 11:33 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
you have to check to see if the solenoid in the frt axle is getting power and or working. If i's not working you'll need to replace it. Also make sure to switch to synthetic oiil for that....
Jan 17, 2010 at 6:41 PM
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