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Just bought a 2017 GMC Sierra with an 8 speed 5.3 and am
Just bought a 2017 GMC Sierra with an 8 speed 5.3 and am having shifting issues from 1st to 2nd and 2nd to 1st, sometimes in higher gears as well. … read more
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GM Tech (Cam)

GM Tech (Cam)

GMC Mechanic

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Gary

Gary

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Chris (aka- Moose)

Chris (aka- Moose)

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Paul M ASE Master

Paul M ASE Master

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Amedee

Amedee

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Anthony

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GM Certified

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