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M
474 MAINTENANCE SCHEDULES
A
I
EMISSION CONTROL SYSTEM MAINTENANCE
N
The "Scheduled" maintenance services, listed in bold
T
E
type in this section (Section 8) must be done at the times
N
or mileages specified to assure the continued proper
A
functioning of the emission control system. These, and all
N
C
other maintenance services included in this manual,
E
should be done to provide best vehicle performance and
reliability. More frequent maintenance may be needed for
S
C
vehicles in severe operating conditions such as dusty
H
areas and very short trip driving.
E
D
Inspection and service also should be done any time a
U
malfunction is suspected.
L
E
NOTE: Maintenance, replacement, or repair of the emis-
S
sion control devices and systems on your vehicle may be
8
performed by any automotive repair establishment or
individual using any automotive part which has been
certified pursuant to U.S. EPA or, in the State of Califor-
nia, California Air Resources Board regulations.
MAINTENANCE SCHEDULES — 6.7L TURBO
DIESEL
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
At Each Stop for Fuel
• Check the engine oil level about 15 minutes after a
fully warmed engine is shut off. 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.
• Check the windshield washer solvent and add if
required. When refilling the washer fluid reservoir,
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