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October 23, 2020 Service bulletin

This technical bulletin provides repair information to correct a customer concern of the loss of air...

Chevrolet technical service bulletin 20NA177 for 2019-2020 Chevrolet Silverado 5500, 2019-2020 Chevrolet Silverado 4500 and 2019 Chevrolet Silverado 6500 and others.

Bulletin number
20NA177
Component
Suspension
Summary
This technical bulletin provides repair information to correct a customer concern of the loss of air pressure causing rear air suspension bags not to inflate.

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