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February 9, 2026 Service bulletin

This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent...

Mci technical service bulletin TSIB 26-04 for 2013-2026 Mci J4500, 2013-2024 Mci D4500 and 2013-2024 Mci D4505 and others.

Bulletin number
TSIB 26-04
Component
Suspension
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.

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