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Service bulletin 060309004M

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10163262
Published by NHTSA2019-07-29
Manufacturer's number060309004M
Manufacturer's date2019-06-13
NHTSA componentSUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

NHTSA's summary

This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.

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

Vehicles listed
CHEVROLET COLORADO2017
CHEVROLET EXPRESS2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET SILVERADO 15002006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002019 (the catalog's model; the bulletin names a series or trim of it)
GMC C SERIES2004 to 2006
GMC G SERIES1999 to 2000
GMC G SERIES2003
GMC GM2001 to 2002
GMC SAVANA2014, 2015, 2016, 2017, 2018, 2019
GMC SIERRA 15002014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H32007, 2008, 2009, 2010

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20161902016-04-28. Suspension
16V2560002016-04-28. SUSPENSION:FRONT:CONTROL ARM
11V0070002011-01-06. SUSPENSION:REAR:AXLE:SPINDLE
20104542010-12-17. Suspension
10V6430002010-12-17. SUSPENSION:REAR:AXLE:SPINDLE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PI0281L2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
17-NA-3942025-04-26. 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.
05-03-07-009L2025-03-08. Service bulletin. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
17-NA-3942025-03-06. 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.
19-NA-1292025-03-05. Service bulletin. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
21-NA-1382025-02-19. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
17-NA-3942025-01-18. 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.
19-NA-1292024-10-17. Service bulletin. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
05-03-08-002J2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-03-08-002J2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.