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Service bulletin PIP5653J

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 id10179649
Published by NHTSA2020-09-14
Manufacturer's numberPIP5653J
Manufacturer's date2020-08-24
NHTSA componentSTEERING; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

NHTSA's summary

This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.

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

Steering, Transmission and driveline, Axle

Vehicles listed
CHEVROLET SILVERADO 15002019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002019, 2020 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
PIP59622024-03-18. Service bulletin. This Preliminary information communicates how to isolate a tick noise from the rear axle housing.
PIP5653M2022-03-14. Service bulletin. 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. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
PIP5653H2020-09-14. Service bulletin. 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. 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. 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. 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. 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. This Preliminary information communicates that the front and rear axle assemblies are removed from restriction allowing the dealer to fully service the assemblies.