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Schedule “B”
Follow schedule “B” if you usually operate your vehicle
under one or more of the following conditions.
•
Frequent short trips where the engine does not achieve
full operating temperature (operating temperature de-
fined as 190° F (66° C ) coolant temperature).
•
Extensive engine idling (over 10 minutes per hour of
operation) at ambient temperatures less than 32° F (0°
C).
•
Driving in dusty conditions.
•
Frequent trailer towing.
•
Taxi, police, or delivery service (commercial service).
•
Off-road or desert operation.
•
Extensive operation at high engine speeds (greater
than 2900 rpm) and loads (greater than 70% throttle).
NOTE: If ANY of these apply to you then change your
coolant every 101,250 miles (162 000 km) or 60 months,
whichever comes first and follow schedule “B” of the
ЉMaintenance SchedulesЉ section of this manual.
SCHEDULE “B” 453
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