How to diagnos if my transfercase shift motor is broken

Asked by Cory Jan 24, 2019 at 09:20 AM about the 2003 Chevrolet Silverado 2500HD 4 Dr LS Crew Cab SB HD

Question type: Maintenance & Repair

4X4 went on my 2003 2500hd sierra 4x4 6.6
turbo diesel..i replace the 4x4 actuator..it
works..tested it..but still truck wont shift into
4x4..4 lo is blinking aswell..i heard a crunch
sound before when i lost 4x4..though maybe
i lost a u joint..but no..so i replaced the
actuator first..so could it be the transfercase
shift motor? If so how do tell ?

Cory answered 5 years ago

Hey. Check ur fluid in the case..if u heard a crunch noise ..its most likely ur tcase is broken..snaped the chain..also if ur 4x4 buttons are blinking its most likely ur ground under ur drivers side door..

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How to diagnos if my transfercase shift motor is broken

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