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GMC TSB #21NA260

2019 GMC Savana

TSB Document:

MC-10205580-9999.pdf

Affected Component: EQUIPMENT

Summary: This technical bulletin provides repair information to correct a customer concern of Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR.

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Date Published: NOV 29, 2021
NHTSA TSB #: 10205580

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