Maintenance Recommendations for Aftertreatment Uptime

By Tony Rich
Service Technician
Allstate Peterbilt Group

If you have 2010 or newer units in your fleet, you already know there are additional requirements for maintaining the aftertreatment system. But, are you aware of the recommended maintenance schedules for ALL of the components? Staying ahead of these practices will not only help you increase uptime, but prevent significant repair costs.

Here’s a quick list of the aftertreatment components that require scheduled maintenance:
•    Aftertreatment Diesel Particulate Filter (DPF) Fuel Doser
•    DPF Diesel Oxidation Catalyst (DOC )
•    Selective Catalytic Reduction (SCR ) Doser
•    Diesel Exhaust Fluid (DEF) Pump Filter
•    Exhaust Gas Recirculation (EGR) Cooler
•    Overhead Valve Adjustments
•    Aftertreatment Sensors & Wiring Harnesses
Click Here for detailed maintenance recommendations for PACCAR MX engines. Cummins engines follow very similar maintenance requirements and intervals. Please check with your service representative for specific recommendations.
To avoid warning lights and breakdowns, it is crucial to follow these maintenance recommendations for your fleet.
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