Chevrolet 3500 2001–2025 — technical service bulletin

Bulletin 03-06-01-023I · NHTSA communication 11012907 · issued Dec 18, 2024

Technical service bulletin

communication type

Engine

component

2001–2025

model years

vehicle entries

Official summary

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Vehicles covered

2016 Chevrolet 3500
2017 Chevrolet 3500
2018 Chevrolet 3500
2019 Chevrolet 3500
2020 Chevrolet 3500
2021 Chevrolet 3500
2022 Chevrolet 3500
2024 Chevrolet 3500HD
2016 Chevrolet 4500
2017 Chevrolet 4500
2018 Chevrolet 4500
2019 Chevrolet 4500
2020 Chevrolet 4500
2022 Chevrolet 4500
2017 Chevrolet 4500HD
2018 Chevrolet 4500HD
2019 Chevrolet 4500HD
2020 Chevrolet 4500HD
2021 Chevrolet 4500HD
2022 Chevrolet 4500HD
2023 Chevrolet 4500HD
2017 Chevrolet 4500XD
2018 Chevrolet 4500XD
2019 Chevrolet 4500XD
2020 Chevrolet 4500XD
2021 Chevrolet 4500XD
2022 Chevrolet 4500XD
2017 Chevrolet 5500HD
2018 Chevrolet 5500HD
2019 Chevrolet 5500HD
2020 Chevrolet 5500HD
2021 Chevrolet 5500HD
2022 Chevrolet 5500HD
2023 Chevrolet 5500HD
2018 Chevrolet 5500XD
2019 Chevrolet 5500XD
2020 Chevrolet 5500XD
2021 Chevrolet 5500XD
2022 Chevrolet 5500XD
2019 Chevrolet 6500HD
2020 Chevrolet 6500HD
2021 Chevrolet 6500HD
2022 Chevrolet 6500HD
2023 Chevrolet 6500HD
2007 Chevrolet Avalanche
2008 Chevrolet Avalanche
2009 Chevrolet Avalanche
2010 Chevrolet Avalanche
2011 Chevrolet Avalanche
2012 Chevrolet Avalanche
2013 Chevrolet Avalanche
2002 Chevrolet Avalanche 1500
2003 Chevrolet Avalanche 1500
2004 Chevrolet Avalanche 1500
2005 Chevrolet Avalanche 1500
2006 Chevrolet Avalanche 1500
2007 Chevrolet Avalanche 1500
2008 Chevrolet Avalanche 1500
2009 Chevrolet Avalanche 1500
2010 Chevrolet Avalanche 1500

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.