Section 5 - Maintenance Schedule And Service Procedures; Maintenance Schedule - Navistar MaxxForce 7 Operation And Maintenance Manual

SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES

Maintenance Schedule

®
MaxxForce 7 Diesel Engines
Service operation interval - whichever comes first: kilometers / miles, months, years, ours or liters / gallons of fuel
Service Interval
Before Engine Operation
With Oil Change or When Water In Fuel
Sensor Light Illuminates
Average > 4.7 Kmpl (11 mpg) of fuel
consumption:
• 500 hours or 6 months - if average
speed < 24 Kmph (15 mph)
• 15,000 miles (24,000 km) or 6
months - if average speed is >24
Kmph (15 mph)
Service Operation
See service procedures in this section for more information.
Check engine oil level.
Check coolant level.
Check charge air cooler
Check for external leaks.
Check air restriction indicator.
Drain water from fuel water separator.
1
Change engine oil and oil filter
NOTE: For RV and motor home applications only, oil change interval duration is every 12 months instead
of 6 months. Maximum hours and distance between oil change intervals remains the same.
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