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December 18, 2025 Service bulletin

In some geographic areas, ambient temperatures reaching below 40°F (4°C), including high levels of...

International technical service bulletin IK1201009 for 2005-2016 International Prostar, 2023-2027 Ic Bus Cesb and 2017-2026 International LT and others.

Bulletin number
IK1201009 (IK1201009)
Component
Structure: body
Summary
In some geographic areas, ambient temperatures reaching below 40°F (4°C), including high levels of humidity, an operator may experience engine stalling, low performance, and/or poor aftertreatment performance. This is caused by condensation accumulating and freezing within the Charge Air Cooler (CAC); affecting air flow into the engine. This article lists currently available winter front covers that can be installed on the front grille and bumper to reduce cold air flow to the engine compartment.

Owners of these vehicles have filed 5 complaints in the body category.

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