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356 SERVICING AND MAINTENANCE
OIL CHANGE INDICATOR SYSTEM —
C
UMMINS® DIESEL
Your vehicle is equipped with an engine oil change
indicator system. This system will alert you when it
is time to change your engine oil by displaying the
words “Oil Change Due” in your instrument cluster
display. The engine oil change indicator system is
duty cycle based, which means the engine oil
change interval may fluctuate depending on your
personal driving style. Failure to change the engine
oil per the maintenance schedule can result in
internal engine damage.
An authorized dealer will reset the oil change
in
dicator message after completing the scheduled
oil change. If a scheduled oil change is performed
by someone other than an authorized dealer, the
message can be reset by referring to the steps
described under Instrument Cluster Display
Ú page 101.
Replace the engine oil and oil filter every
15,000 miles (24,000 km) or 12 months, or
s
oon
er if prompted by the oil change indicator
system. Under no circumstances should oil change
intervals exceed 15,000
miles (24,000 km) or
12
m
onths, whichever comes first.
NOTE:
Under no circumstances should oil change inter-
vals exceed 15,000 miles (24,000 km) or
12
months or 500 hours, whichever comes first.
It is recommended that every 3,000 miles
(4,800 km), check the engine oil level at least
30
minutes after a fully warmed engine is shut
of
f
. Checking the oil level while the vehicle is on
level ground will improve the accuracy of the oil
level reading. Add oil only when the level is at or
below the ADD or MIN mark.
Severe service (high ambient temperature,
short trips, heavy loading, trailer towing,
off-road, or law enforcement use) may reduce
oil change intervals.
PERFORM SERVICE INDICATOR —
C
UMMINS® DIESEL
Your vehicle will require emissions maintenance at
a set interval. To help remind you when this
maintenance is due, the instrument cluster will
display “Perform Service”. When the “Perform
Service” message is displayed on the instrument
cluster 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.
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