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Service bulletins for the 2015 International Workstar

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.

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

By type

By component

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
IK05000542025-06-04. Service bulletin. STEERING. Title: Steering Gear Seal Repair Guidelines Applies To: Steering gears
IK02000132024-03-06. Service bulletin. SUSPENSION; STEERING. Suggested alignment target values when performing a vehicle axle alignment.
IK03000102023-10-05. Service bulletin. SUSPENSION; STEERING. Diagnosis of chassis wander complaints.
IK10000032021-12-07. Service bulletin. STEERING. Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
IK02000132019-06-07. Service bulletin. SUSPENSION; STEERING. Suggested alignment target values when performing a vehicle axle alignment
NPN2019-04-01. Service bulletin. STEERING; EQUIPMENT. DUAL STEERING GEAR AIR BLEED PROCEDURE
IK05000592019-04-01. Service bulletin. STEERING. Steering Noise in Vehicles Equipped with Dual Steer
MIN141092018-04-02. Service bulletin. STEERING. Front Steer Axle U-bolt Washer Replacement
IK05000592018-04-02. Service bulletin. STEERING. Steering Noise in Vehicles Equipped with Dual Steer; Only models equipped with dual steering gear
IK05000582018-02-21. Service bulletin. STEERING. Steering Fluids
IK05000382018-02-21. Service bulletin. STEERING. Steering Shake, Shimmy, Shudder, or Steering Vibration; only with 14k front weight rated axles and below
IK-05000572016-09-01. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. ALL HEAVY PLATFORM POWER STEERING FLUID PRODUCTION CHANGE
IK-05000562016-09-01. Service bulletin. EQUIPMENT; STEERING. NEW STEERING SHAFT HEX BOLT

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