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Service bulletins for the 2004 GMC Canyon

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.

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

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Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
150089004B2021-04-16. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:REAR:SHOCK ABSORBER. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
03-00-91-001G2018-06-04. Service bulletin. SUSPENSION. This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
PIP53382017-08-15. Service bulletin. SUSPENSION; STRUCTURE:FRAME AND MEMBERS. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
PIP-48792011-06-16. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. GM: WHEN VEHICLE IS IN 4-WHEEL DRIVE THERE MAY BE A NOISE OR THERE MAY BE U-JOINT FAILURE. *RM UPDATED ON 06/24/2011. *KB
PIP4054A2008-04-07. Service bulletin. SUSPENSION:REAR; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
16557772005-10-11. Service bulletin. SUSPENSION. VIBRATION HIGHWAY SPEED Z71 AND Z85 SUSPENSION. *SC
0503070032005-05-13. Service bulletin. SUSPENSION. REVISED WHEEL ALIGNMENT SPECIFICATIONS. *TT
040307004A2005-05-12. Service bulletin. SUSPENSION. PREMATURE FRONT TIRE WEAR. *TT
32342005-01-28. Service bulletin. SUSPENSION. FRONT AXLE GROWL NOISE IN 2 WHEEL DRIVE MAY NOT OCCUR IN 4 WHEEL DRIVE. *EH
31752004-11-08. Service bulletin. SUSPENSION:FRONT. SQUEAK OR CRUNCH NOISE FROM FRONT SUSPENSION OVER BUMPS. *TT
3107B2004-11-04. Service bulletin. SUSPENSION. VIBRATION AT HIGHWAY SPEEDS. *SC
033120042004-09-17. Service bulletin. SUSPENSION. CORRECTION TO A DEALER VME SENT OUT ON MARCH 23, 2004 WITH REGARD TO CUSTOMERS COMMENTS THAT THEY FEEL THEIR SUSPENSION RIDE IS TOO STIFF, TOO SOFT, TOO SHAKY OR INCONSISTENT. *TT
021502004-08-25. Service bulletin. SUSPENSION:REAR. RUB OR SCRAPE NOISE FROM REAR AXLE AREA ON TURNS. *MJ
019632004-05-20. Service bulletin. SUSPENSION. Z71 4WD ONLY ROUGH STIFF BOUNCY RIDE. *MR

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.