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Service bulletin TSIB 26-04

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 id11029031
Published by NHTSA2026-02-25
Manufacturer's numberTSIB 26-04
Manufacturer's date2026-02-09
NHTSA componentSUSPENSION; STEERING

NHTSA's summary

This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent damage on axle components due to displacement of grease from the bearings, lubrication reduction and accelerate wear for coaches with independent front suspension.

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, Suspension

Vehicles listed
MCI D4020ISTV2024 to 2025
MCI D45002013 to 2024
MCI D45052013 to 2024
MCI D45202020 to 2025
MCI D45CRT2024 to 2025
MCI D45CRTE2024
MCI D45CRTELE2021 to 2024
MCI D45CRTLE2018 to 2025
MCI J35002018 to 2025
MCI J45002013 to 2026
MCI J4500E2020 to 2021
MCI J4500E2023
MCI J4500E2025

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