1993 Chevy Truck front axle not ingaging

1993 CHEVROLET TRUCK
133,000 MILES • V8 • 4WD • AUTOMATIC
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ROB BENNETT
  • MEMBER
  • 1 POST
When I put the truck in 4wd the front axle does not ingage,and the indicator light does not come on. I have replaced the 4wd actuator with a brand new one,and checked the fuse under the dash, it is good.What else can it be?
Mar 15, 2008 at 9:35 AM
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MASTERTECHTIM
  • ✓Experienced Mechanic
  • 4,750 POSTS
did you check for power and ground at actuator? just run a test light across the 2 terminals and get back to me.
Mar 15, 2008 at 9:38 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

Not so much a head gasket, but if seriously over full you could experience seal failure, as the crank case pressure could rise due to the excess oil level a leak could occur, but just a a little overfull should not be an issue.

Mark (mhpautos)
Apr 2, 2008 at 9:32 PM
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