Infiniti QX4 (R50). Manual — part 502
CHASSIS
AND
BODY
MAINTENANCE
NBMA0004S0202
Abbreviations: R = Replace.
I = Inspect. Correct or replace if necessary.
L = Lubricate
MAINTENANCE OPERATION
MAINTENANCE INTERVAL
Reference Section
- Page
or
- Content Title
Perform at number of miles, kilometers
or months, whichever comes first.
Miles x 1,000
(km x 1,000)
Months
7.5
(12)
6
15
(24)
12
22.5
(36)
18
30
(48)
24
37.5
(60)
30
45
(72)
36
52.5
(84)
42
60
(96)
48
Brake lines & cables
I
I
I
I
Brake pads, rotors, drums & linings
I
I
I
I
Automatic transmission & all-mode 4WD
transfer fluid & differential gear oil (exc.
LSD)
I
I
I
I
LSD gear oil
I
R
I
R
Steering gear, linkage & transfer gear,
axle & suspension parts
I
I
NOTE (4)
Tire rotation
NOTE (1)
Drive shaft boots (
)
I
I
I
I
AX-10, “Drive shaft”
Propeller shaft
NOTE (2)
L
L
L
L
Front wheel bearing grease (4x2)
I
I
Front wheel bearing grease (
)
I
R
I
R
AX-4, “Front Wheel
Bearing”
Exhaust system
I
I
Supplemental air bag systems
NOTE (3)
RS-14, “Maintenance
Item”
Ventilation air filter
R
R
R
R
HA-159, “Ventilation Air
Filter”
ASCD vacuum hoses
I
I
I
I
EL-237, “ASCD
ACTUATOR/PUMP
CHECK”
NOTE:
(1) Refer to “Tire rotation” under the “GENERAL MAINTENANCE” heading earlier in this section.
(2) The propeller shaft should be re-greased after being immersed in water.
(3) Inspect the air bag system 10 years after the date of manufacture noted on the FMVSS certification label.
(4) Refer to SU-5, “Front Suspension Parts” and SU-16, “Rear Suspension Parts”, AX-3, “Front Axle Parts” and AX-18, “Rear Axle Parts”.
PERIODIC
MAINTENANCE
Schedule
2
(Cont’d)
MA-10
NBMA0005
Fluids and Lubricants
NBMA0005S01
Capacity (Approximate)
Recommended Fluids/Lubricants
US measure
Imp measure
Liter
Engine oil
Drain and
refill
With oil filter
5-1/4 qt
4-3/8 qt
5.0
I
API Certification Mark*1
I
API grade SG/SH, Energy Conserv-
ing I & II or API grade SJ, Energy
Conserving*1
I
ILSAC grade GF-I & GF-II*1
Without oil
filter
5-1/8 qt
4-1/4 qt
4.8
Dry engine
(Engine overhaul)
7-1/4 qt
6 qt
6.8
Cooling system (With reservoir)
9-3/4 qt
8-1/8 qt
9.2
Genuine Nissan anti-freeze coolant or
equivalent
All-mode 4WD transfer fluid
3-1/8 qt
2-5/8 qt
3.0
Nissan Matic “D” (Continental U.S. and
Alaska) or Canada NISSAN Automatic
Transmission Fluid*2
Differential
carrier gear
oil
Front (4WD)
3-7/8 pt
3-1/4 pt
1.85
Standard differential gear: API GL-5*1
Limited-slip differential (LSD) gear:
Use only LSD gear oil API GL-5 and
SAE 80W-90*5 approved for Nissan
LSD*6.
Rear
5-7/8 pt
4-7/8 pt
2.8
Automatic transmission fluid
2WD
9 qt
7-1/2 qt
8.5
Nissan Matic “D” (Continental U.S. and
Alaska) or Canada NISSAN Automatic
Transmission Fluid*3
4WD
Power steering fluid
—
—
—
Genuine NISSAN PSF II or equivalent*7
Brake fluid
—
—
—
Genuine Nissan Brake Fluid*4 or
equivalent DOT 3 (U.S. FMVSS No.
116)
Propeller shaft grease
—
—
—
NLGI No. 2 (Molybdenum disulphide
lithium soap base)
Multi-purpose grease
—
—
—
NLGI No. 2 (Lithium soap base)
*1: For further details, see “SAE Viscosity Number”.
*2: Outside the continental United States and Alaska contact an authorized INFINITI dealership for more information regarding suitable
fluids, including recommended brand(s) of DEXRON
TM
III/MERCON
TM
Automatic Transmission Fluid.
*3: DEXRON
TM
III/MERCON
TM
or equivalent may also be used. Outside the continental United States and Alaska contact an autho-
rized INFINITI dealership for more information regarding suitable fluids, including recommended brand(s) of DEXRON
TM
III/MERCON
TM
Automatic Transmission Fluid.
*4: Available in mainland U.S.A. through your INFINITI dealer.
*5: SAE 90 is acceptable in ambient temperatures above −18°C (0°F).
*6: Contact an INFINITI dealer for a list of approved oils.
*7: Genuine NISSAN PSF, Canada NISSAN Automatic Transmission Fluid, DEXRON
TM
III/MERCON
TM
or equivalent ATF may also be
used.
GI
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
RECOMMENDED FLUIDS AND LUBRICANTS
Fluids and Lubricants
MA-11
MMA117AA
SAE Viscosity Number
NBMA0005S02
GASOLINE ENGINE OIL
NBMA0005S0201
SAE 5W-30 viscosity oil is preferred for all temperatures. SAE
10W-30 and 10W-40 viscosity oil may be used if the ambient tem-
perature is above −18°C (0°F).
MMA118A
GEAR OIL
NBMA0005S0202
80W-90 for differential is preferable.
SMA947CA
Anti-freeze Coolant Mixture Ratio
NBMA0005S03
The engine cooling system is filled at the factory with a high-quality,
year-round, anti-freeze coolant solution. The anti-freeze solution
contains rust and corrosion inhibitors. Therefore, additional cooling
system additives are not necessary.
CAUTION:
When adding or replacing coolant, be sure to use only a Genu-
ine Nissan anti-freeze coolant or equivalent with the proper
mixture ratio of 50% anti-freeze and 50% demineralized water/
distilled water. Other types of coolant solutions may damage
your engine cooling system.
RECOMMENDED FLUIDS AND LUBRICANTS
SAE Viscosity Number
MA-12
Checking Drive Belts
NBMA0010
SMA091D
1.
Inspect belt for cracks, fraying, wear and oil. If necessary,
replace.
2.
Inspect drive belt deflection or tension at a point on the belt
midway between pulleys.
3.
Check belt tension using belt tension gauge (BT3373-F or
equivalent).
Inspect drive belt deflection or tension when engine is cold.
Adjust if belt deflections exceed the limit or if belt tension is
not within specifications.
Belt deflection and tension
Deflection adjustment
Unit: mm (in) Tension adjustment *1
Unit: N (kg, lb)
Used belt
New belt
Used belt
New belt
Limit
After adjustment
Limit
After adjustment
Alternator
Power steering
oil pump
Fan
7 (0.28)
4 - 5
(0.16 - 0.20)
3.5 - 4.5
(0.138 - 0.177)
294 (30, 66)
730 - 818 (74.4 -
83.5, 164 - 184)
838 - 926 (85.4 -
94.5, 188 - 208)
Air conditioner
compressor
12 (0.47)
9 - 10
(0.35 - 0.39)
8 - 9
(0.31 - 0.35)
196 (20, 44)
348 - 436 (35.5 -
44.5, 78 - 98)
470 - 559 (47.9 -
57.0, 106 - 126)
Applied pushing
force
98 N (10 kg, 22 lb)
—
*1 If belt tension gauge cannot be installed at check points shown, check drive belt tension at a different location on the belt.
GI
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ENGINE MAINTENANCE
Checking Drive Belts
MA-13
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