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November 23, 2021 Service bulletin

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump...

Chevrolet technical service bulletin 19NA153 for 2014-2019 Chevrolet Silverado 1500, 2014-2019 Chevrolet Tahoe and 2014-2019 GMC Sierra 1500 and others.

Bulletin number
19NA153
Component
Engine and engine cooling
Summary
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Owners of these vehicles have filed 2,722 complaints in the engine category.

Vehicles covered

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