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Transfer case?

George W

By George W
in Ask A GM Technician

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George W New Member

George W

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2015 Silverado 1500: 5.3 DOD engine 6 speed auto. 4WD 30,100 miles Oil changed 7X new air filter last time and transfer case serviced 2X. A side note: both diff's were low 1/2 qt. when picked up new.

 

Problem or not? 

When in 4WD and I park on even the slighest grade, about 10 seconds after I shut down, there is a "pop" and truck moves about an inch. It is OK if in 2WD so I think its the transfer case. Fluid has been changed 2X with Dex VI. Is this Normal??

  • 2 weeks later...
George W New Member

George W

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Thanks for the reply. Glad to hear it is normal, dealer said he never heard of it but would be willing to replace transfer case for a few thousand $ with no guarantee it would fix the issue. I guess most people just aren't very observant, I had riders with me when it did it and not one of them ever said a word. My baby is OK!!

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