2000 Chevy Blazer my automatic trans only works manually

2000 CHEVROLET BLAZER
127,000 MILES • 6 CYL • 4WD • AUTOMATIC
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2000 BLAZER NIGHTMARES
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All my gears work on my automatic trans if i shift it manually im trying to solve lots of problems after my front differential bearing seized up while driving and blow the case into 3 piece well i got a new one in and i have this and a nother problem now i need your help other problem is my service 4WD light is on and the Transfer case switch on dash will not light up.
thanks for your help
Feb 20, 2009 at 2:57 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
1st step is you need a scanner and scan the transfer case module for codes
also check tranny for codes
make sure you have the correct transfer case
Feb 20, 2009 at 10:20 PM
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