Service bulletin 17-NA-394
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11017245 |
| Published by NHTSA | 2025-04-26 |
| Manufacturer's number | 17-NA-394 |
| Manufacturer's date | 2025-04-01 |
| NHTSA component | SUSPENSION |
NHTSA's summary
This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Suspension
| CHEVROLET COLORADO | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
|---|---|
| GMC CANYON | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25-NA-124 | 2025-11-05. Service bulletin. This informational bulletin provides information on a noise coming from the front suspension while going over speed bumps at speeds greater than 24 km/h (15 mph). |
|---|---|
| PI0281L | 2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers. |
| 05-03-07-009L | 2025-03-08. Service bulletin. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. |
| 17-NA-394 | 2025-03-06. Service bulletin. This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. |
| N242482641 | 2025-02-26. Service campaign. Service Update - Certain vehicles listed above may have a condition in which the right front shock was assembled to a higher torque specification. Dealers are to replace the right front shock rod and nut. |
| N242482640 | 2025-02-26. Service campaign. Service update - Certain vehicles listed above may have a condition in which the left front shock was assembled to a higher torque specification. Dealers are to replace the left front shock rod and nut. |
| 17-NA-394 | 2025-01-18. Service bulletin. This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. |
| 05-03-08-002J | 2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 05-03-08-002J | 2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 15-00-89-004G | 2024-05-15. Service bulletin. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. |