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Replace the engine oil and oil filter every 15,000 miles (24 000 km) or six months, or
sooner if prompted by the oil change indicator system. Under no circumstances should oil
change intervals exceed 15,000 miles (24 000 km) or six months, whichever comes first.
NOTE:
• Under no circumstances should oil change intervals exceed 15,000 miles
(24,000 km) or six months or 500 Hours, whichever comes first.
• Replace the engine oil and oil filter every 12,500 miles (20 000 km) when
running B20 fuel (Chassis Cab Only).
If Chassis Cab models are operated with greater than 5% levels of Biodiesel, the oil
change interval must not exceed 12,500 miles (20 000 km) under any circum-
stances. See the Fuel Requirements section for more information regarding opera-
tion of Chassis Cab models configured for use with Biodiesel blend(B6-B20) fuel
meeting ASTM specification D-7467.
Perform Service Indicator
Your vehicle will require emissions maintenance at a set interval. To help remind you
when this maintenance is due, the Electronic Vehicle Information Center (EVIC) will
display “Perform Service”. When the “Perform Service” message is displayed on the
EVIC it is necessary to have the emissions maintenance performed. Emissions
maintenance may include replacing the Closed Crankcase Ventilation (CCV) filter
element. The procedure for clearing and resetting the “Perform Service” indicator
message is located in the appropriate Service Information.
MAINTAINING YOUR VEHICLE
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