Maintenance Guidelines
PACCAR Y53-1030A 12/09 – 47 –
• Lubricating Oil filters – Replace
• Antifreeze Concentration - Check
• Radiator Pressure Cap - Check
• Batteries – Check
• Battery Cables and Connections – Check
• Battery condition - electrolyte level, cracks, signs of
leaking, overcharging
• Harness/cables for loose connections, corrosion,
chafing, broken retention clips
• Battery hold-downs for tightness
• Battery box mounting bolt torque
Every 64,000 km [40,000 mi], 1000 Hours, or 1 Year -
Maintenance Check
• Fuel Filter (Spin-On Type - Change
• Drive Belt, Cooling Fan - Change
• Belt Tensioner, Automatic (Water Pump) - Check
• Cooling System Check
• Radiator Pressure Cap Check
• Supplemental additive/conditioner level
• Coolant level
• Coolant protection
• Replace coolant filter
Every 128,000 km [80,000 mi], 2000 Hours, or 2 Years -
Maintenance Check
• Cooling System - Drain/Flush/Fill
• Engine Steam Cleaning - Clean
• Air Compressor Discharge Lines - Clean
• Radiator Hoses – Check
• Hose condition - deterioration/signs of leaking
• Hose clamp torque
• Vibration Damper – Check
• Damper for cracks, nicks, gouges
• Condition of damper rubber isolator
• Damper fastener torque
• Crankcase Ventilation Filter – Replace
Every 241,000 km [150,000 mi], 5000 Hours, or 4 Years -
Maintenance Check
• Overhead Set – Adjust
• Exhaust System - Change
• Replace exhaust flex pipe(s)
Every 321,500 km [200,000 mi], 6500 Hours - Mainte-
nance Check
• Aftertreatment Diesel Particulate Filter – Clean
• Complete Cleaning of filter using a DPF cleaning
machine
• Replace filter if necessary
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