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Visually inspect conditions of the acces
-
sory drive belts
Check and, if necessary, change engine oil
and replace oil filter
Check and, if necessary, replace cabin air
filter
Check and, if necessary, replace air
cleaner
Severe Duty All Models
Change Engine Oil at 4,000
miles
(6,500
km) if the vehicle is operated in a
dusty and off road environment or is oper
-
ated predominately at idle or only very low
engine RPM. This type of vehicle use is
considered Severe Duty.