Infiniti QX4 (R50). Manual — part 439
PRECAUTIONS FOR ENGINE OILS
NBGI0001S05
Prolonged and repeated contact with used engine oil may cause
skin cancer. Try to avoid direct skin contact with used oil.
If skin contact is made, wash thoroughly with soap or hand cleaner
as soon as possible.
Health Protection Precautions
NBGI0001S0501
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Avoid prolonged and repeated contact with oils, particularly
used engine oils.
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Wear protective clothing, including impervious gloves where
practicable.
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Do not put oily rags in pockets.
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Avoid contaminating clothes, particularly underpants, with oil.
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Heavily soiled clothing and oil-impregnated footwear should
not be worn. Overalls must be cleaned regularly.
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First Aid treatment should be obtained immediately for open
cuts and wounds.
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Use barrier creams, applying them before each work period, to
help the removal of oil from the skin.
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Wash with soap and water to ensure all oil is removed (skin
cleansers and nail brushes will help). Preparations containing
lanolin replace the natural skin oils which have been removed.
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Do not use gasoline, kerosine, diesel fuel, gas oil, thinners or
solvents for cleaning skin.
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If skin disorders develop, obtain medical advice without delay.
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Where practicable, degrease components prior to handling.
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Where there is a risk of eye contact, eye protection should be
worn, for example, chemical goggles or face shields; in addi-
tion an eye wash facility should be provided.
Environmental Protection Precautions
NBGI0001S0502
Burning used engine oil in small space heaters or boilers can be
recommended only for units of approved design. The heating sys-
tem must meet the requirements of HM Inspectorate of Pollution for
small burners of less than 0.4 MW. If in doubt check with the
appropriate local authority and/or manufacturer of the approved
appliance.
Dispose of used oil and used oil filters through authorized waste
disposal contractors to licensed waste disposal sites, or to the
waste oil reclamation trade. If in doubt, contact the local authority
for advice on disposal facilities.
It is illegal to pour used oil on to the ground, down sewers or drains,
or into water courses.
The regulations concerning pollution vary between regions.
PRECAUTIONS FOR FUEL
NBGI0001S06
Use unleaded gasoline with an octane rating of at least 87 AKI
(Anti-Knock Index) number (research octane number 91).
CAUTION:
Do not use leaded gasoline. Using leaded gasoline will dam-
age the three way catalyst.
Using a fuel other than that specified could adversely affect
the emission control devices and systems, and could also
affect the warranty coverage validity.
PRECAUTIONS FOR AIR CONDITIONING
NBGI0001S07
Use an approved refrigerant recovery unit any time the air condi-
tioning system must be discharged. Refer to HA-144, “HFC-134a
(R-134a) Service Procedure” for specific instructions.
PRECAUTIONS
Precautions (Cont’d)
GI-8
NBGI0002
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The captions WARNING and CAUTION warn you of steps that must be followed to prevent personal injury
and/or damage to some part of the vehicle.
WARNING indicates the possibility of personal injury if instructions are not followed.
CAUTION indicates the possibility of component damage if instructions are not followed.
BOLD TYPED STATEMENTS except WARNING and CAUTION give you helpful information.
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ALPHABETICAL INDEX is provided at the end of this manual so that you can rapidly find the item and
page you are searching for.
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A QUICK REFERENCE INDEX, a black tab (e.g.
) is provided on the first page. You can quickly find
the first page of each section by mating it to the section’s black tab.
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THE CONTENTS are listed on the first page of each section.
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THE TITLE is indicated on the upper portion of each page and shows the part or system.
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THE PAGE NUMBER of each section consists of two letters which designate the particular section and a
number (e.g. “BR-5”).
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THE LARGE ILLUSTRATIONS are exploded views (See below.) and contain tightening torques, lubrica-
tion points, section number of the PARTS CATALOG (e.g. SEC. 440) and other information necessary to
perform repairs.
The illustrations should be used in reference to service matters only. When ordering parts, refer to the
appropriate PARTS CATALOG.
SBR364AC
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THE SMALL ILLUSTRATIONS show the important steps such as inspection, use of special tools, knacks
of work and hidden or tricky steps which are not shown in the previous large illustrations.
Assembly, inspection and adjustment procedures for the complicated units such as the automatic transaxle
or transmission, etc. are presented in a step-by-step format where necessary.
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The UNITS given in this manual are primarily expressed as the SI UNIT (International System of Unit),
and alternatively expressed in the metric system and in the yard/pound system.
“Example”
Tightening torque:
59 - 78 N·m (6.0 - 8.0 kg-m, 43 - 58 ft-lb)
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TROUBLE DIAGNOSES are included in sections dealing with complicated components.
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
HOW TO USE THIS MANUAL
GI-9
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SERVICE DATA AND SPECIFICATIONS are contained at the end of each section for quick reference of
data.
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The following SYMBOLS AND ABBREVIATIONS are used:
SYMBOL
ABBREVIATION
SYMBOL
ABBREVIATION
Tightening torque
2WD
2-Wheel Drive
Should be lubricated with grease. Unless oth-
erwise indicated, use recommended multi-pur-
pose grease.
A/C
Air Conditioner
Should be lubricated with oil.
P/S
Power Steering
Sealing point
SST
Special Service Tools
Checking point
SAE
Society of Automotive Engineers, Inc.
Always replace after every disassembly.
ATF
Automatic Transmission Fluid
q
P
Apply petroleum jelly.
D
1
Drive range 1st gear
Apply ATF.
D
2
Drive range 2nd gear
★
Select with proper thickness.
D
3
Drive range 3rd gear
✩
Adjustment is required.
D
4
Drive range 4th gear
SDS
Service Data and Specifications
OD
Overdrive
LH, RH
Left-Hand, Right-Hand
2
2
2nd range 2nd gear
FR, RR
Front, Rear
2
1
2nd range 1st gear
M/T
Manual Transaxle/Transmission
1
2
1st range 2nd gear
A/T
Automatic Transaxle/Transmission
1
1
1st range 1st gear
,
4WD
4-Wheel Drive
HOW TO USE THIS MANUAL
GI-10
NBGI0003
Sample/Wiring Diagram — EXAMPL —
NBGI0003S01
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For Description, refer to GI-13.
SGI134A
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
HOW TO READ WIRING DIAGRAMS
Sample/Wiring Diagram — EXAMPL —
GI-11
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