DD15: Maintenance Intervals
Air Compressor
Inspect at oil
change
Inspect at oil
change
Inspect at oil
change
Inspect at oil
change
Aftertreatment
System
Inspect external hardware and connections every 6 months or at oil
change intervals. †
Diesel
Particulate Filter
A Check Engine Indicator will illuminate when ash requires removal.
Normal DPF ash clean interval is 800,000 km (500,000 mi) 11,000 hrs to
880,000 km (550,000 mi) 11,500 hrs.
Detroit™ highly recommends replacing the DPF with a Detroit™ genuine
DPF to ensure maximum replacement life.
DEF Pump Filter
Replace filter every 800,000 km (500,000 mi) or 3 yrs.†
- †Whichever comes first. Note: Reaching the Davco change line supersedes these intervals.
- *Engine fuel filters should be changed at recommended service intervals, or when the "Fuel
Filter Service Indicator" activates on the dashboard. For maximum life of fuel system
components, it is not recommended to exceed 100k mi on engine fuel filters under any
condition.
-** Check per section "Poly-V-Belt Inspection".
- ***Fuel Economy represents overall fuel economy (including idle time)
- ‡Currently, only Detroit™ Fuel Filter/Water Separator & Davco 385/482/485/487 are the
only frame-mounted filtration systems compatible for Detroit™ Engines.
- §Maintenance System can be enabled for this component.
Refer to "Routine Preventive Maintenance" and "How To Procedures" for a description of all
items.
Preventive Maintenance Intervals
54
All information subject to change without notice.
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DDC-SVC-MAN-0217