TSB230059-030212

Vibration Incidents on Navistar®, International® Truck, or IC™ Bus Chassis
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Technical Service Bulletin
Technical Service Bulletin:
Released Date: 21-Mar-2023
TSB230059
Vibration Incidents on Navistar®, International® Truck, or IC™ Bus Chassis
Vibration Incidents on Navistar®,
International® Truck, or IC™ Bus Chassis
Warranty Statement
The information in this document has no effect on present warranty coverage or repair
practices, nor does it authorize TRP or Campaign actions.
Contents
Product Affected
Engines:
•
•
•
•
•
•
•
•
•
•
B6.7 CM2350 B121B
B6.7 CM2450 B155B
L9 CM2350 L116B
L9 CM2350 L123B
L9 CM2450 L126B
X15 CM2350 X114B
X15 CM2350 X116B
X15 CM2350 X117B
X15 CM2450 X124B
X15 CM2450 X134B
Original Equipment Manufacturers:
• Navistar® International® truck
• IC™ bus since 2017.
Issue Summary
Symptom:
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2023/tsb230059.html
3/23/2023
Vibration Incidents on Navistar®, International® Truck, or IC™ Bus Chassis
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• Vibration
Root Cause:
• Vibration is not typically caused by the engine
Resolution
Re-direct incident to Navistar® first by opening a case file in their system about this
issue.
Service Instructions
Navistar® recommends opening a case file in their system to start troubleshooting any
vibration issues first and once data is collected, Navistar® will escalate to Cummins Inc.
if needed.
Document History
Date
2023-3-17
Details
Module Created
Last Modified: 21-Mar-2023
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2023/tsb230059.html
3/23/2023