Service bulletins for the 2011 Chevrolet Express
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.
1716 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Suspension are shown. Show all
| 12050C | 2017-01-31. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. 12050C - CUSTOMER SATISFACTION PROGRAM (REVISED EXPIRATION DATE, EXTENDED TO 4/30/16). CERTAIN 2011-2012 MODEL YEAR CHEVROLET EXPRESS AND GMC SAVANA VEHICLES, AND CHEVROLET SILVERADO AND SUBURBAN, AND GMC SIERRA AND YUKON XL 2500 SERIES VEHICLES, ALL EQUIPPED WITH A 10.5" REAR AXLE, MAY HAVE A CONDITION IN WHICH THE REAR AXLE RIGHT-HAND SIDE BEARING ADJUSTER CLIP AND BOLT MAY COME LOOSE WITHIN THE REAR AXLE. IF THIS OCCURS, A GRINDING NOISE AND A VEHICLE VIBRATION WOULD BE NOTICEABLE WHEN THE VEHICLE IS IN MOTION. IF THE ADJUSTOR OR BOLT PUNCTURES THE DIFFERENTIAL COVER PAN, A FLUID LEAK COULD DEVELOP. IF ENOUGH FLUID WERE TO LEAK OUT, THE DRIVER MAY HEAR INCREASING NOISE, ADDITIONAL VEHICLE VIBRATION, AND SMELL BURNT AXLE LUBRICANT. IF THE DRIVER IGNORES THESE WARNINGS AND CONTINUES TO DRIVE THE VEHICLE, A SLOW LOSS OF VEHICLE MOTION COULD OCCUR. DEALERS ARE TO INSPECT AND, IF NECESSARY, REPAIR THE REAR AXLE. |
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| SB-09-03-09-002B | 2016-08-22. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY; SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:SHACKLE. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE REAR SPRING SHACKLES TO CORRECT A CUSTOMER CONCERN OF A NOISE. |
| SB-0000190699 | 2016-03-31. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PB-12050 | 2012-05-23. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME 2011-2012 TRUCKS, A GRINDING NOISE AND VIBRATION WOULD BE NOTICEABLE DUE TO THE REAR AXLE RIGHT HAND SIDE BEARING ADJUSTER CLIP AND BOLT MAY COME LOOSE INSIDE OF REAR AXLE. *PE UPDATED 9/6/12. *PE UPDATED 7/18/14. *PE UPDATED 11/6/15. *PE |
| PB-11243 | 2011-10-04. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. PROPSHAFT BOLT ATTACH TO REAR AXLE NOT FASTENED PROPERLY. BOLTS WILL BE INSPECTED BY DEALERS TO ENSURE PROPER SPECIFICATION AND FASTENING. *PE UPDATED 11/29/13. *PE |
| PI-0489 | 2011-08-01. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. GM: 2006-2011 EXPRESS/SAVANA. A CRACK IN A WELD IS CAUSING THE FRONT SHOCK ABSORBER TOWER TO SEPARATE FROM THE FRAME. *RM UPDATED 9/10/12. *PE |
| SB-09-03-09-002A | 2011-06-30. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY; SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:LEAF. GM: THERE IS A NOISE FROM THE REAR OF THE VEHICLE DURING ACCELERATION AND IS FROM METAL TO METAL CONTACT OF BUSHINGS. 2006-2012 EXPRESS/SAVANA. *RM |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.