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Service bulletin NTB23-030

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 id10235776
Published by NHTSA2023-05-06
Manufacturer's numberNTB23-030
Manufacturer's date2023-04-04
NHTSA componentPOWER TRAIN

NHTSA's summary

CVT SHIFT SELECTOR LEVER KNOB REMOVAL AND INSTALLATION SERVICE INFORMATION If the CVT Shift Selector Lever Knob needs to be removed or installed for any reason, refer to the SERVICE PROCEDURE in this bulletin, beginning on page 2.

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

Transmission and driveline

Vehicles listed
NISSAN ALTIMA2019, 2020, 2021
NISSAN SENTRA2020, 2021, 2022, 2023
NISSAN redundant ALTIMA2022 to 2023

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

Recalls for the same vehicles and component
20213732021-06-11. Powertrain

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
NTB12-103I2024-06-07. Service bulletin. CVT/TCM CALIBRATION DATA “WRITE” PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB24-0222024-04-06. Service bulletin. CVT SUB-ASSEMBLY SERVICE PARTS ARE NOW AVAILABLE SERVICE INFORMATION The CVT Belt & Pulley (sub-assembly) Kit is now available to order. The sub-assembly kit part numbers and other parts needed, if a repair is indicated, are listed in PARTS INFORMATION. • This bulletin does not include diagnostic or service procedure information. • Refer to the ESM for necessary diagnostic information before performing a CVT repair.
NTB21-094B2024-01-09. Service bulletin. TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB17-003F2024-01-09. Service bulletin. FLUID LEAK CAUSED BY TRANSFER ASSEMBLY RIGHT SIDE DRIVE SHAFT OIL SEAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB12-103H2023-06-07. Service bulletin. CVT/TCM CALIBRATION DATA “WRITE” PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-013B2023-04-10. Service bulletin. PREVENT FRONT AXLE THREAD DAMAGE DURING NUT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB12-055J2023-04-06. Service bulletin. CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-1012022-12-06. Service bulletin. DRIVE SHAFT BOOT SERVICE INFORMATION SERVICE INFORMATION If a Drive Shaft (Axle Shaft) Boot on an APPLIED VEHICLE is found to be leaking grease, AND There is no abnormal noise or obvious CV Joint risk due to water intrusion and/or complete grease loss, check for REPAIR KIT-DUST BOOT (CV Joint Boot Kit) availability. • If there is a REPAIR KIT-DUST BOOT (CV Joint Boot Kit) available for the vehicle being repaired, do NOT replace the axle. Install a new boot kit following the procedure in the ESM. o Refer to the ESM: TRANSMISSION & DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT BOOT o If the complete axle (drive shaft) is replaced when only a new boot is required, the over-repair may be charged back to the dealer. • If there is NOT a REPAIR KIT-DUST BOOT (CV Joint Boot Kit) available for the vehicle being repaired, refer to the ESM for further diagnostic information. IMPORTANT: When servicing vehicles with staked axle nuts, refer to NTB21-013 to prevent Drive Shaft thread damage.
NTB10-029I2022-12-06. Service bulletin. ABNORMAL NOISE, VIBRATION AND/OR BINDING FEELING FROM REAR DIFFERENTIAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-013A2022-10-07. Service bulletin. PREVENT FRONT AXLE THREAD DAMAGE DURING NUT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.