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Service bulletin NPN

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 id10156332
Published by NHTSA2019-04-01
Manufacturer's numberNPN
Manufacturer's date2018-12-06
NHTSA componentSTEERING; EQUIPMENT

NHTSA's summary

DUAL STEERING GEAR AIR BLEED PROCEDURE

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

Equipment and accessories, Steering

Vehicles listed
INTERNATIONAL HV2017 to 2020
INTERNATIONAL HX2016 to 2019
INTERNATIONAL PAYSTAR2006 to 2019
INTERNATIONAL WORKSTAR2001 to 2013
INTERNATIONAL WORKSTAR2014, 2015
INTERNATIONAL WORKSTAR2016 to 2020

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
IK05000542025-06-04. Service bulletin. Title: Steering Gear Seal Repair Guidelines Applies To: Steering gears
IK02000132024-03-06. Service bulletin. Suggested alignment target values when performing a vehicle axle alignment.
IK03000102023-10-05. Service bulletin. Diagnosis of chassis wander complaints.
IK08003512022-03-02. Service bulletin. J1939 Data Link Source Address Information
IK10000032021-12-07. Service bulletin. Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
IK12014582021-10-02. Service bulletin. Oil leaks at the Bottom of the Oil Filter Module; Only International A26, N13, or 2010 and newer 11 and 13 engines
IK12012992021-10-02. Service bulletin. Engine Oil Capacities. All International electronic engines 1994 to present and Cummins ISB, ISM, or ISX engines
IK15000742020-12-02. Service bulletin. Fuel Filters, Winter Additives, and Blending Fuels for Cummins® Engines
IK16002332020-11-02. Service bulletin. Cab Lean Concern
IK14000052020-09-02. Service bulletin. Driveline Information Center and Troubleshooting Procedures