Brand new issue in my 2016 sierra Z71. After I am stopped at a red light, the tachometer will rev up to near red with the slightest tap of the accelerator with no movement. Shifting into neutral will have the RPM behaving and sounding normal. I will not have any forward gears or reverse. Turning …

If it has the 8 speed tranny I’m not surprised. https://www.transmissiontroublehub.com/2016-gmc-sierra-8-speed-transmission-problems-explained/ Tester

[image] Is my transmission done for? Maintenance/Repairs 2016 Sierra, 103k mi, no error codes or lights. Without warning the clutch seems to completely disengage. I will loose every gear but Neutral. Taking the key out and starting it again fixes it for a time…

Sounds like throttle issue. Maybe.

Me thinks Broke Joe has left the building .

Transmission/clutch not engaging.

Maintenance/Repairs

davesmopar October 19, 2025, 12:55pm 3

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Transmission/clutch not engaging.

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