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March 1, 2021 Service bulletin

Structure

Chevrolet technical service bulletin PIP5784 for 2017-2021 Chevrolet Silverado 1500, 2017-2021 GMC Sierra 1500 and 2015-2019 Chevrolet Corvette and others.

Bulletin number
PIP5784
Component
Structure
Summary
This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body replacement on the 8L45 or 8L90 transmissions.

Owners of these vehicles have filed 233 complaints in the body category.

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