This 2021 GMC 3.0L Duramax Diesel Engine Supplement Manual provides essential information on the operation and maintenance of the diesel engine specific to the 2021 GMC models equipped with the Duramax Diesel engine. It is designed to complement the overarching owner’s manual and focuses on vehicles sold within the United States and Canada.

Manual Contents Overview

The manual includes detailed sections that mirror those found in the general owner’s manual:

  • Instruments and Controls – Educates the reader about the dashboard instruments and vehicles controls specific to the diesel engine models.
  • Driving and Operating – Information pertaining to the operation of the vehicle, focusing on diesel engine characteristics and handling.
  • Vehicle Care – Guide to maintenance and care specific to diesel engine vehicles for longevity and optimal performance.
  • Service and Maintenance – Details the Diesel Maintenance Schedule to ensure timely servicing and checks for the vehicle.
  • Technical Data – Provides technical specifications and engine details for the user to understand the mechanics and design of the engine.
  • Index – A navigational tool to assist users in quickly finding information within the manual.

This manual also includes necessary disclaimers clarifying that some sections may discuss features and optional equipment not present on all models, and highlights regional variations that may affect the applicability of the manual’s content for some users. Readers are encouraged to reference their purchase documentation to cross-check features specific to their vehicle.

Additional Information

For Canadian GMC owners, a French language version of the supplement manual is available, reassuring bilingual support. The manual emphasizes the importance of keeping this supplement alongside the owner’s manual in the vehicle to ensure that owners can reference it quickly if necessary.

The manual concludes with legal trademarks, copyright notices, and the acknowledgment that it is the third printed edition, identified by Part No. 84557033, and licensed for use by General Motors and its subsidiaries.

References:

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