HUMMER H2 TRANSMISSION

  • Tiny
  • Lavall Woodhouse
  • 2003 GMC Truck
  • V8
  • AWD
  • automatic
  • 92,000 miles

How do you unlock a GMC Hummer automatic transmission from the park position once the vehicle looses electrical power.

Thursday, December 16th, 2010 AT 5:47 AM

1 Answer

  • Tiny
  • factoryjack
  • Expert
  • 4,263 posts

If you remove the shift handle, and lift the cupholder/indicator assembly out, there is a push button release on the solenoid. It looks like a large rivet head, approximately the size of a niickel.

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Saturday, December 18th, 2010 AT 8:18 PM

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