A SERVICE OF

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PREVENTIVE MAINTENANCE MAINTENANCE SCHEDULE AND LUBRICATION
Regional Haul
(R05/10) Y53-6033 – 155 –
Body Mounts (Straight Truck Only)
Body Sides and Roof Panels (Straight trucks)
Cab: Hold–down Latches
Mounts
Front Pivot Assembly
Jack Operation and Leaks
Safety Lock, Tip–Over Stop
ENGINE SERVICE A B C
Cooling: Extended Life Coolant maintenance/
is located on page 175
of this manual
Coolant Level
Pressure Test
Replace Water Filter
New Release At 100–120K – Per Engine
Filter Manufacturer Recommendations
Radiator Mounting
Fan Shroud
Fan Assembly and Idler Pulley No Service Required
Check Water Pump for Leaks / Play
Radiator – Exterior Condition
Replace Engine Coolant C4
Fill as Required – Extended Drain Per
Manufacturer Specifications.
Air Cleaner:
Contaminant Accumulation
Table 2 Maintenance Schedule
INTERVAL COMMENTS
OPERATION \ FREQUENCY
7,500 mi
12,000 km
15,000 mi
24,000 km
60,000 mi
96,000 km