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 M axxForce® 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:
•Dirtorcorrosion
• Wheel rub damage
• Wheel blade damage (bent or broken tips)
3. Check condition of turbochargers. (Consult with an
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 designat ed service interval. The ECM will
illuminate the MIL and g en e ra te an Ash Se rvicing 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.
Form No. 1172040R1
Printed in the United States of America Page 89