What are some of the 2015 gmc sierra 6 speed transmission problems?

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James B. December 17, 2020
Some of the 2015 GMC sierrA6 speed transmission problems are stuck in gear and hard shifts. The transmission is one of the most crucial parts of the vehicle. You will come into issues at some point. The gears may become stuck. There could be jerking. Hard shifts could arise and that is not good. You may experience shudders. The transmission may slip. Delayed shifts will cause acceleration issues. If the transmission fluid leaks, that needs to be solved quickly. The transmission fluid needs to be replaced every 30,000 to 60,000 miles. Along with fluid changes, terrible sounds will come from the transmission. Old transmission fluid will be awful to the ear. A worn out torque converter will cause a headache.
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Carmen B. April 10, 2020
2015 gmc sierra 6 speed transmission problems are usually related to the transmission slipping out of gear.
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Earl Evans July 5, 2020
Slipping and squeaking hard down shifts and shuttering into 4 -6
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