Lexus NX350 (2022 year). Manual in english — page 41
●
This number is stamped on the top left of the
instrument panel.
●
This number is also on the Certification Label.
●
This number is also stamped under the right-
hand front seat.
10-1. Specifications
677
10
Vehicle specifications
■
Engine number
Engine
▶
NX350
Model
2.4 L 4-cylinder (T24A-FTS)
Type
4-cylinder in line, 4-cycle, gasoline (with
turbocharger)
Bore and stroke
3.44 × 3.91 in. (87.5 × 99.5 mm)
Displacement
146.0 cu. in. (2393 cm
3
)
Valve clearance (engine cold)
Automatic adjustment
Drive belt tension
Automatic adjustment
▶
NX250
Model
2.5 L 4-cylinder (A25A-FKS)
Type
4-cylinder in line, 4-cycle, gasoline
Bore and stroke
3.44 × 4.07 in. (87.5 × 103.4 mm)
Displacement
151.8 cu. in. (2487 cm
3
)
Valve clearance (engine cold)
Automatic adjustment
Drive belt tension
Automatic adjustment
▶
NX350
▶
NX250
10-1. Specifications
678
Fuel
Fuel type
Unleaded gasoline only
Octane Rating
NX350: 91 (Research Octane Number
96) or higher
NX250: 87 (Research Octane Number
91) or higher
Fuel tank capacity (Reference)
14.5 gal. (55.0 L, 12.1 Imp. gal.)
Lubrication system (NX350)
■
Oil capacity (Drain and refill) (Reference)
With filter
5.6qt. (5.3 L, 4.7 Imp.qt.)
Without filter
5.3 qt. (5.0 L, 4.4 Imp.qt.)
■
Engine oil selection
A
Outside temperature
"Toyota Genuine Motor Oil" is used in your Lexus
vehicle. Use Lexus approved "Toyota Genuine
Motor Oil" or equivalent to satisfy the following
grade and viscosity.
Oil grade: ILSAC GF-6A multigrade engine
oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choise for good fuel economy and good starting in cold
wheather. If SAE 0W-20 is not available, SAE 5W-20 oil may be used. However, it
must be replaced with SAE 0W-20 at the next oil change.
*1 :
The engine oil capacity is a reference quantity to be used when changing the engine
oil. Warm up and turn off the engine, wait more than 5 minutes, and check the oil level
on the dipstick.
10-1. Specifications
679
10
Vehicle specifications
■
How to read oil container label
The International Lubricant Specification Advi-
sory Committee (ILSAC) Certification Mark is
added to some oil containers to help you select
the oil you should use.
Oil viscosity (0W-20 is explained here as an
example):
●
The 0W in 0W-20 indicates the characteristic of the oil which allows cold
startability.
Oils with a lower value before the W allow for easier starting of the engine in
cold weather.
●
The 20 in 0W-20 indicates the viscosity characteristic of the oil when the oil is
at high temperature.
An oil with a higher viscosity (one with a higher value) may be better suited if the
vehicle is operated at high speeds, or under extreme load conditions.
Lubrication system (NX250)
■
Oil capacity (Drain and refill) (Reference)
With filter
4.8 qt. (4.5 L, 4.0 Imp.qt.)
Without filter
4.4 qt. (4.2 L, 3.7 Imp.qt.)
"Toyota Genuine Motor Oil" is used in your Lexus vehicle. Use Lexus approved
"Toyota Genuine Motor Oil" or equivalent to satisfy the following grade and
viscosity.
Oil grade: ILSAC GF-6B multigrade engine oil
Recommended viscosity: SAE 0W-16
A
Outside temperature
*2 :
The engine oil capacity is a reference quantity to be used when changing the engine
oil. Warm up and turn off the engine, wait more than 5 minutes, and check the oil level
on the dipstick.
10-1. Specifications
680
SAE 0W-16 is the best choise for good fuel economy and good starting in cold
wheather. If SAE 0W-16 is not available, SAE 0W-20 oil may be used. However, it
must be replaced with SAE 0W-16 at the next oil change.
■
How to read oil container label
API registered mark is added to some oil con-
tainers to help you select the oil you should use.
Oil viscosity (0W-16 is explained here as an ex-
ample):
●
The 0W in 0W-16 indicates the characteristic of the oil which allows cold
startability.
Oils with a lower value before the W allow for easier starting of the engine in
cold weather.
●
The 16 in 0W-16 indicates the viscosity characteristic of the oil when the oil is at
high temperature.
An oil with a higher viscosity (one with a higher value) may be better suited if the
vehicle is operated at high speeds, or under extreme load conditions.
Cooling system
Capacity
NX350
Gasoline engine:
9.1 qt. (8.6 L, 7.6 Imp.qt.)
Intercooler:
2.9 qt. (2.7L, 2.4 Imp.qt.)
NX250
7.4 qt. (7.0 L, 6.2 Imp.qt.)
10-1. Specifications
681
10
Vehicle specifications
Coolant type
Use either of the following:
●
"Toyota Super Long Life
Coolant"
●
Similar high-quality eth-
ylene glycol-based non-
silicate, non-amine, non-
nitrite, and non-borate
coolant with long-life hy-
brid organic acid tech-
nology
Do not use plain water
alone.
(1)
The coolant capacity is the quantity of reference. If replacement is necessary, contact
your Lexus dealer.
Ignition system (spark plug)
Make
NX350:
NGK DILZKAR8E7H
NX250:
DENSO FC16HR-Q8
Gap
NX350:
0.03 in. (0.7 mm)
NX250:
0.03 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
■
Battery
Open voltage at 68°F (20°C):
12.3 V or higher
(Turn the engine switch off and turn on the
high beam headlights for 30 seconds.)
10-1. Specifications
682
Specific gravity reading at 68°F (20°C):
1.25 or more
If the specific gravity is lower than the
standard value, charge the battery.
■
Charging rates
Quick charge
15 A max.
Slow charge
5 A max.
Automatic transmission
Fluid capacity
NX350:
7.5 qt. (7.1 L, 6.2 Imp.qt.)
NX250:
7.7 qt. (7.3 L, 6.4 Imp.qt.)
Fluid type
"Toyota Genuine ATF WS"
(1)
The fluid capacity is the quantity of reference. If replacement is necessary, contact
your Lexus dealer.
NOTICE
■
Transmission fluid type
Using transmission fluid other than the above type may cause abnormal noise or vibra-
tion, or damage the transmission of your vehicle.
Transfer (AWD)
Oil capacity
0.48 qt. (0.45 L, 0.40 Imp. qt.)
Oil type and viscosity
"Toyota Genuine Differential gear oil LT
75W-85 or equivalent"
(1)
The fluid capacity is the quantity of reference.
If replacement is necessary, contact your Lexus dealer.
Your Lexus vehicle is filled with "Toyota Genuine Differential Gear Oil" at the
factory.
Use Lexus approved "Toyota Genuine Differential Gear Oil" or an equivalent
of matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details.
10-1. Specifications
683
10
Vehicle specifications
Rear differential (AWD)
Oil capacity
0.53 qt., (0.50L, 0.44 Imp. qt.)
Oil type and viscosity
"Toyota Genuine Differential gear oil LT
75W-85 or equivalent"
(1)
The fluid capacity is the quantity of reference.
If replacement is necessary, contact your Lexus dealer.
Your Lexus vehicle is filled with "Toyota Genuine Differential Gear Oil" at the
factory.
Use Lexus approved "Toyota Genuine Differential Gear Oil" or an equivalent
of matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details.
Brakes
Pedal clearance
5.0 in. (127 mm)
Brake pad wear limit
0.04 in. (1.0 mm)
Pedal free play
0.04 - 0.25 in. (1 - 6 mm)
Fluid type
●
FMVSS No. 116 DOT 3 or SAE J1703
●
FMVSS No. 116 DOT 4 or SAE J1704
(1)
Minimum pedal clearance when depressed with a force of 300 N (30.6 kgf, 67.5 lbf)
while the engine is running.
Steering
Free play
Less than 1.2 in. (30 mm)
Tires and wheels
▶
Type A
Tire size
235/60R18 103H, T165/90D18 107M
(spare)
10-1. Specifications
684
Tire inflation pressure (Recommended cold
tire inflation pressure)
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm
2
or
bar)
Driving at high speeds (above 100 mph
[160 km/h]) (in countries where such
speeds are permitted by law)
Add 3 psi (20 kPa, 0.2 kgf/cm
2
or bar)
to the front and rear tires. Never exceed
the maximum cold tire inflation pressure
indicated on the tire sidewall.
Wheel size
18 × 7 1/2 J, 18 × 4T (spare)
Wheel bolt torque
103 ft•lbf (140 N•m, 14.3 kgf•m)
▶
Type B
Tire size
235/60R18 103H
Tire inflation pressure (Recommended cold
tire inflation pressure)
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Driving at high speeds (above 100 mph
[160 km/h]) (in countries where such
speeds are permitted by law)
Add 3 psi (20 kPa, 0.2 kgf/cm
2
or bar)
to the front and rear tires. Never exceed
the maximum cold tire inflation pressure
indicated on the tire sidewall.
Wheel size
18 × 7 1/2 J
Wheel bolt torque
103 ft•lbf (140 N•m, 14.3 kgf•m)
▶
Type C
Tire size
235/50R20 100V
10-1. Specifications
685
10
Vehicle specifications
Tire inflation pressure (Recommended cold
tire inflation pressure)
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Driving at high speeds (above 100 mph
[160 km/h]) (in countries where such
speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 kgf/cm
2
or bar)
to the front and rear tires. Never exceed
the maximum cold tire inflation pressure
indicated on the tire sidewall.
Wheel size
20 × 7 1/2 J
Wheel bolt torque
103 ft•lbf (140 N•m, 14.3 kgf•m)
Light bulbs
Light bulbs
Bulb No.
W
Type
Exterior
Front turn signal
lights (bulb
type)
WY21W
21
A
A: Wedge base bulbs (amber)
10-1. Specifications
686
Fuel information
You must only use unleaded gasoline in your vehicle.
NX350: Select premium unleaded gasoline with an octane rating of 91 (Research
Octane Number 96) or higher required for optimum engine performance and fuel
economy. If the octane rating is less than 91, damage to the engine may occur and
may void the vehicle warranty.
NX250: Select octane rating of 87 (Research Octane Number 91) or higher. Use
of unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
At minimum, the gasoline you use should meet the specifications of ASTM D4814
in the U.S.A.
INFORMATION
■
Gasoline quality
In very few cases, driveability problems may be caused by the brand of gasoline you are
using. If driveability problems persist, try changing the brand of gasoline. If this does not
correct the problem, consult your Lexus dealer.
■
Recommendation of the use of gasoline containing detergent additives
●
Lexus recommends the use of gasoline that contains detergent additives to avoid the
build-up of engine deposits.
●
All gasoline sold in the U.S.A. contains minimum detergent additives to clean and/or
keep clean intake systems, per EPA's lowest additives concentration program.
●
Lexus strongly recommends the use of Top Tier Detergent Gasoline. For more infor-
mation on Top Tier Detergent Gasoline and a list of marketers, please go to the official
website www.toptiergas.com.
■
Recommendation of the use of low emissions gasoline
Gasolines containing oxygenates such as ethers and ethanol, as well as reformulated
gasolines, are available in some cities. These fuels are typically acceptable for use,
providing they meet other fuel requirements.
Lexus recommends these fuels, since the formulations allow for reduced vehicle emis-
sions.
10-1. Specifications
687
10
Vehicle specifications
■
Non-recommendation of the use of blended gasoline
●
Use only gasoline containing up to 15% ethanol.
DO NOT use any flex-fuel or gasoline that could
contain more than 15% ethanol, including from
any pump labeled E30 (30% ethanol
), E50
(50% ethanol
), E85 (85% ethanol
)
(which are only some examples of fuel containing
more than 15% ethanol).
●
NX350: If you use gasohol in your vehicle, be sure that it has an octane rating no
lower than 91.
NX250: If you use gasohol in your vehicle, be sure that it has an octane rating no
lower than 87.
●
Lexus does not recommend the use of gasoline containing methanol.
■
Non-recommendation of the use of gasoline containing MMT
Some gasoline contains an octane enhancing additive called MMT (Methylcyclopenta-
dienyl Manganese Tricarbonyl).
Lexus does not recommend the use of gasoline that contains MMT. If fuel containing
MMT is used, your emission control system may be adversely affected.
The malfunction indicator lamp on the instrument cluster may come on. If this happens,
contact your Lexus dealer for service.
■
If your engine knocks
●
Consult your Lexus dealer.
●
You may occasionally notice light knocking for a short time while accelerating or
driving uphill. This is normal and there is no need for concern.
NOTICE
■
Notice on fuel quality
●
Do not use improper fuels. If improper fuels are used, the engine will be damaged.
●
Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle's three-way catalytic converters
causing the emission control system to malfunction.
●
Do not use gasohol other than the type previously stated.
Other gasohol may cause fuel system damage or vehicle performance problems.
●
Using unleaded gasoline with an octane number or rating lower than the level previ-
ously stated will cause persistent heavy knocking.
At worst, this will lead to engine damage.
10-1. Specifications
688
NOTICE
■
Fuel-related poor driveability
If poor driveability (poor hot starting, vaporization, engine knocking, etc.) is encountered
after using a different type of fuel, discontinue the use of that type of fuel.
■
When refueling with gasohol
Take care not to spill gasohol. It can damage your vehicle's paint.
10-1. Specifications
689
10
Vehicle specifications
Tire information
Typical tire symbols
▶
Full-size tire
A
Tire size
B
DOT and Tire Identification Number (TIN)
C
Location of treadwear indicators
D
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the
plies in a tire.
E
Radial tires or bias-ply tires
A radial tire has [RADIAL] on the sidewall. A tire not marked [RADIAL] is a bias-ply
tire.
F
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire
has a tube inside the tire and the tube maintains the air pressure.
G
Load limit at maximum cold tire inflation pressure
H
Maximum cold tire inflation pressure
This means the pressure to which a tire may be inflated.
I
Uniform tire quality grading
For details, see
that follows.
J
Summer tires or all season tires
An all season tire has [M+S] on the sidewall. A tire not marked [M+S] is a summer tire.
10-1. Specifications
690
▶
Compact spare tire
A
[TEMPORARY USE ONLY]
A compact spare tire is identified by the phrase [TEMPORARY USE ONLY] molded
on its sidewall. This tire is designed for temporary emergency use only.
B
Tire size
C
DOT and Tire Identification Number (TIN)
D
Load limit at maximum cold tire inflation pressure
E
Location of treadwear indicators
F
Maximum cold tire inflation pressure
This means the pressure to which a tire may be inflated.
G
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the
plies in a tire.
H
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire
has a tube inside the tire and the tube maintains the air pressure.
I
Radial tires or bias-ply tires
A radial tire has [RADIAL] on the sidewall. A tire not marked [RADIAL] is a bias-ply
tire.
10-1. Specifications
691
10
Vehicle specifications
Typical DOT and Tire Identification Number (TIN)
▶
Type A
A
DOT symbol
B
Tire Identification Number (TIN)
C
Tire manufacturer's identification mark
D
Tire size code
E
Manufacturer's optional tire type code (3 or
4 letters)
F
Manufacturing week
G
Manufacturing year
▶
Type B
A
DOT symbol
B
Tire Identification Number (TIN)
C
Tire manufacturer's identification mark
D
Manufacturer's code
E
Manufacturing week
F
Manufacturing year
Tire size
■
Typical tire size information
The illustration indicates typical tire size.
A
Tire use
(P = Passenger car, T = Temporary use)
B
Section width (millimeters)
C
Aspect ratio (tire height to section width)
D
Tire construction code
(R = Radial, D = Diagonal)
E
Wheel diameter (inches)
F
Load index (2 digits or 3 digits)
G
Speed symbol (alphabet with one letter)
*1 :
The DOT symbol certifies that the tire conforms to applicable Federal Motor Vehicle
Safety Standards.
10-1. Specifications
692
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