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May 1, 2016 Service bulletin

This informational bulletin provides information on how to inspect the upper valve body to determine the...

Chevrolet technical service bulletin SB-16-NA-130 for 2007-2016 Chevrolet Silverado 1500, 2007-2016 Chevrolet Tahoe and 2007-2016 GMC Sierra 1500 and others.

Bulletin number
SB-16-NA-130
Component
Power train: automatic transmission
Summary
This informational bulletin provides information on how to inspect the upper valve body to determine the correct rpo usage to correct a concern that after installation of a replacement upper valve body, the transmission may have no reverse and no 2nd gear due to the installation of the incorrect upper valve body.

Owners of these vehicles have filed 2,604 complaints in the transmission category.

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