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).
M
SCHEDULE "B" 387
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
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