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Preventive Maintenance Intervals
Preventive Maintenance Intervals - Gen 5
DD15 - Ops - #7628
The preventive maintenance intervals should be followed
as closely as possible to obtain long life and optimum performance
from the engine. Following the preventative maintenance tables will
be the least costly way of obtaining safe and reliable vehicle operation;
see Preventive Maintenance Tables.
The following sections will be covered in this chapter:
- Scheduled Maintenance
Intervals
- Aftertreatment System
- Air Compressor
- Air System
- Belt Drive
- Cooling System
- Exhaust and Exhaust
Gas Recirculation System
- Engine Steam Clean
- Fuel Filters
- Lubricating Oil and
Filter
- Valve Lash Checking
and Adjustment
- Vibration Damper
- Preventative Maintenance
Tables
Document Number: 0000009774
Manual Publication Date: 2025-08-26
Topic Publication Date: 2026-02-05