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GMC TSB #21NA260
2020 GMC Savana
TSB Document:
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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