WenmarOpen by Wenmar Pro

Service bulletins for the 2012 GMC Savana

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.

1794 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
PI1080B2017-08-15. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This preliminary informational bulletin provides repair information on installing a reinforcement to correct a customer concern that a crack has developed on the spring mount area of the front shock absorber mounting bracket.
PI14772017-08-15. Service bulletin. SUSPENSION:FRONT. This preliminary informational bulletin provides repair information to correct a customer concern of front end noise while driving over bumps or during low speed turns.
05-03-08-002H2017-08-15. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
12050C2017-01-31. 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.
SB-09-03-09-002B2016-08-22. 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.
PI-1541-A2016-08-10. Service bulletin. SUSPENSION:FRONT; TIRES. THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO REPLACE BOTH FRONT SUSPENSION SPRINGS TO CORRECT A CUSTOMER CONCERN THAT THE FRONT SUSPENSION IS TOO LOW AND/OR THERE IS EXCESSIVE FRONT TIRE WEAR.
SB-00001906992016-03-31. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PB-120502012-05-23. 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
SB-09-03-09-002A2011-06-30. 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.