Greater than 20% Idle Time - 150,000 mi / 240,000 km / 4,500 hrs / 24 mo (2 yrs)
14
Mounting Bolts
• Refer to Engine Mounting Bolts on page 96 for maintenance instructions.
Greater than 20% Idle Time -
300,000 mi / 480,000 km / 6,750 hrs /
36 mo (3 yrs)
Greater than 20% Idle Time - 300,000 mi / 480,000 km / 6,750 hrs / 36 mo (3 yrs)
15
Aftertreatment System
• Refer to Diesel Particulate Filter (DPF) Service Strategy on page 91 - Dry Cleaning Strategy.
• Refer to Diesel Exhaust Fluid (DEF) Filter on page 92 for maintenance instructions.
Cooling System
• Refer to Replace Coolant Filter on page 84 for maintenance instructions.
Greater than 20% Idle Time -
350,000 mi / 560,000 km / 7,850 hrs /
48 mo (4 yrs)
14
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
15
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
ENGINE MAINTENANCE - Normal Duty/Line Haul
42 Y53-1166-1M1 (10/2020)
2
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