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February 8, 2019 Service bulletin

This technical bulletin is providing a diagnostic information and a procedure to flush the transmission...

Chevrolet technical service bulletin 18NA177 for 2017-2018 Chevrolet Colorado and 2017-2018 GMC Canyon.

Bulletin number
18NA177
Component
Power train
Summary
This technical bulletin is providing a diagnostic information and a procedure to flush the transmission system and replace transmission filter.

Owners of these vehicles have filed 231 complaints in the transmission category.

Vehicles covered

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