Crankcase Pressure; Turbochargers; Cleaning Diesel Particulate Filter - Navistar MaxxForce DT 9 Operation And Maintenance Manual

SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)

CRANKCASE PRESSURE

Service Interval: 290,000 - 322,000 km (180,000 - 200,000
miles) or 6,700 - 7,500 hours
• For inspection procedures, see the MaxxForce® DT, 9, and
10 Engine Diagnostic Manual.
• Have an authorized service provider measure the crankcase
pressure at the correct service interval.

TURBOCHARGERS

Service Interval: 290,000 - 322,000 km (180,000 - 200,000
miles) or 6,700 - 7,500 hours
1. Clean, then remove the turbocharger compressor inlet
connections for both turbochargers.
2. Inspect the compressor wheels for the following:
• Dirt or corrosion
• Wheel rub damage
• Wheel blade damage (bent or broken tips)
3. Check condition of turbochargers.
authorized service provide if questionable.)

CLEANING DIESEL PARTICULATE FILTER

For Engine Using CJ-4 Engine Oil
Service Interval: 322,000 km (200,000 miles) 30 months or
6,000 hours
Clean DPF at designated service interval.
illuminate the MIL and generate an Ash Servicing Required
message on the integral digital display at or if necessary before
the specified interval. Take vehicle to your MaxxForce certified
dealer for cleaning.
For Engines Using CI-4 Engine Oil
Service Interval: 241,000 km (150,000 miles) 22 months or
4,500 hours
Clean DPF at designated service interval. Take vehicle to an
authorized service provider for cleaning.
(Consult with an
Form No. 1172040R1
Printed in the United States of America
The ECM will
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