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July 28, 2020 Service bulletin

Customer Satisfaction Program

Chevrolet technical service bulletin N202300240 for 2019 Chevrolet Silverado 5500, 2019 Chevrolet Silverado 4500 and 2019 Chevrolet Silverado 6500.

Bulletin number
N202300240
Component
Power train
Summary
Customer Satisfaction Program - certain vehicles may have a condition of a transfer case fluid leak below the front input shaft bearing retainer or at the idler pulley bearing retainer. Dealers are to inspect and if necessary, replace two o-rings on the transfer case.

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