17NA222
Service Bulletin Details
Public Details for: 17NA222
This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of turbocharger whine noise due to the blades on the turbo being bent.
- 2021 - 2020 - 2019 - 2018 - 2017 - 2016 -
Bulletin No.: Service Bulletin Date: 17-NA-222 November, 2020 TECHNICAL Subject: Brand: Chevrolet GMC Information on Turbocharger Whine Noise Model: Model Year: from Colorado 2016 Express 2017 Canyon 2016 Savana 2017 to VIN: from to 2021 Engine: Transmission: LWN Involved Region or Country North America, Guatemala, Peru, Korea, Saudi Arabia, Israel, Thailand, Venezuela, South Africa Additional Options (RPOs) Equipped with 2.8L Diesel Engine (RPO LWN) Condition Some customers may comment on a whine noise during acceleration, in gear, or Neutral. Cause This condition may be caused by a bent turbocharger compressor blade. If you encounter a vehicle with the above concern, inspect the turbocharger compressor blades. Information 4818843 If one of the blades is bent as illustrated above, replace the turbocharger. Refer to Turbocharger Replacement in SI. If none of the blades are bent, continue diagnosis referring to SI. Copyright 2020 General Motors LLC. All Rights Reserved. Page 2 November, 2020 Bulletin No.: 17-NA-222 Version 5 Modified Released July 12, 2017 Revised August 24, 2017 — Added 2018 Model Years. Revised July 24, 2018 – Added 2019 Model Year. Revised September 18, 2019 – Added 2020 Model Year. Revised October 26, 2020 - Made bulletin an Informational Bulletin, Added 2021 Model Year and removed 2016 from Express and Savana. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION