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December 4, 2017 Service bulletin

This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge...

Chevrolet technical service bulletin 17NA110 for 2017 Chevrolet Silverado, 2018 Chevrolet Silverado 2500 and 2017 GMC Sierra and others.

Bulletin number
17NA110
Component
Engine and engine cooling
Summary
This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low and/or a low coolant message displayed intermittently due to the fill process at the plant cannot purge all of the air from the cooling system and surge tank.

Owners of these vehicles have filed 46 complaints in the engine category.

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