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8
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS
The following descriptions are provided
to give you a better understanding of the
scheduled maintenance items that
should be regularly checked or replaced.
The maintenance log indicates at which
mileage/time intervals each item
requires service.
In addition to scheduled maintenance,
your Infiniti requires that some items be
checked during normal day-to-day
operation. You can find these items
listed under “General Maintenance” in
Chapter 8 of your Owner’s manual.
Items marked with “*” are recommend-
ed by Infiniti for reliable vehicle opera-
tion. You are not required to perform
maintenance on these items in order to
maintain the warranties which come with
your Infiniti. Other maintenance items
and intervals are required.
When applicable, additional
information can be found in the “Do-it-
yourself” section in Chapter 8 of your
Owner’s Manual.
For recommended fuel, lubricants,
fluids, grease, and refrigerant refer to
Chapter 9 in your Owner’s Manual.
Emission Control System
Maintenance:
Drive Belts*
Check engine drive belts for wear, fray-
ing or cracking and for proper tension.
Replace any damaged drive belts.
Engine Air Filter
Replace at specified intervals. When
driving for prolonged periods in dusty
conditions, check/replace the filter
more frequently.
Engine Coolant*
Drain and flush the cooling system at
the specified interval.
Engine Oil and Oil Filter
Replace engine oil and oil filter at the
specified intervals. For recommended
oil grade and viscosity refer to
Chapter 9 in your Owner’s Manual.
Engine Valve Clearance*
Inspect only if valve noise increases.
Adjust valve clearance if necessary.
Evaporative Emissions Control
Vapor Lines*
Check vapor lines and connections
for leaks or looseness. Tighten
connections or replace parts as
necessary.