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Service bulletins for the 2019 GMC Sierra

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.

2009 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Axle are shown. Show all

Bulletins, newest first
PIP59622024-03-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates how to isolate a tick noise from the rear axle housing.
PIP5653M2022-03-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
PIP5653L2022-02-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
PIP5653J2020-09-14. Service bulletin. STEERING; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIP5653H2020-09-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIP5653G2020-08-10. Service bulletin. EQUIPMENT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
N1922223012019-09-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; EQUIPMENT ADAPTIVE/MOBILITY. N192222301 - Service Update Bulletin. Certain vehicles, equipped with a single speed transfer case (RPO NP0) or 2-speed transfer case (RPO NQH), may have a condition in which the transfer case could leak oil if the vehicle is operated frequently with the transfer case in Auto or 4HI. The oil leak could lead to abnormal clutch operation. Dealers are to replace the front output shaft seal.
N1922223002019-09-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; EQUIPMENT ADAPTIVE/MOBILITY. N192222300 - Customer Satisfaction Program. Certain vehicles, equipped with a single speed transfer case (RPO NP0) or 2-speed transfer case (RPO NQH), may have a condition in which the transfer case could leak oil if the vehicle is operated frequently with the transfer case in Auto or 4HI. The oil leak could lead to abnormal clutch operation. Dealers are to replace the front output shaft seal.
PIP5653B2019-09-16. Service bulletin. EQUIPMENT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIP5579B2019-07-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that the front and rear axle assemblies are removed from restriction allowing the dealer to fully service the assemblies.

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