GMC Sierra 3500 HD from 2014 to 2020 Service & Repair Manual

Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and hundreds of photographs that show each step.

Models Covered:

• GMC Sierra 3500 HD 6.6 (Duramax) (Diesel, LML, 296kW) 2015-2016
• GMC Sierra 3500 HD 6.6 (Duramax) (Diesel, L5P, 332kW) 2017-2020
• GMC Sierra 3500 HD 6.0. -Flex fuel (Gas, L96, 268kW) 2014-2020
• GMC Sierra 3500 HD 6.0 CNG (CNG, LC8, 224kW) 2015-2019
• GMC Sierra 3500 HD 6.0 (Gas, LC8, 268kW) 2015-2019