LEXUS RC F (2019 year). Manual — part 34
542
8-1. Specifications
RC F_U
■
Engine oil selection (RC300)
“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-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good start-
ing in cold weather.
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.
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.
How to read oil container label:
The International Lubricant Specifi-
cation Advisory Committee
(ILSAC) Certification Mark is added
to some oil containers to help you
select the oil you should use.
Outside temperature
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8-1. Specifications
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RC F_U
■
Engine oil selection (RC F)
“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-5 multigrade engine oil
Recommended viscosity: SAE 5W-30
SAE 5W-30 is the best choice for
good fuel economy and good start-
ing in cold weather.
If SAE 5W-30 is not available, SAE
10W-30 oil may be used. However,
it should be replaced with SAE 5W-
30 at the next oil change.
Oil viscosity (5W-30 is explained here as an example):
• The 5W in 5W-30 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 30 in 5W-30 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.
How to read oil container label:
The International Lubricant Specifi-
cation Advisory Committee
(ILSAC) Certification Mark is added
to some oil containers to help you
select the oil you should use.
Outside temperature
544
8-1. Specifications
RC F_U
*
: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Lexus dealer.
■
Spark plug
Cooling system
Capacity
*
RC350/
RC300
AWD
10.0 qt. (9.5 L, 8.4 Imp. qt.)
RC300
Gasoline engine
8.5 qt. (8.0 L, 7.0 Imp. qt.)
Intercooler
3.3 qt. (3.1 L, 2.7 Imp. qt.)
RC F
12.2 qt. (11.5 L, 10.1 Imp. qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-sili-
cate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology
Do not use plain water alone.
Ignition system
RC350/RC300
AWD
RC300
RC F
Make
DENSO
FK20HBR8
NGK
DILFR7K9G
DENSO
FK20HBR-J8
Gap
0.031 in. (0.8 mm)
0.035 in. (0.9 mm)
0.031 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
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8-1. Specifications
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RC F_U
*
: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Lexus dealer.
Electrical system
Battery
Open voltage at 68
F
(20
C):
12.3 V or higher
If the voltage is lower than the standard value, charge
the battery.
(Voltage is checked 20 minutes after the engine and all
lights are turned off.)
Charging rates
5 A max.
Automatic transmission
Fluid capacity
*
RC350
10.0 qt. (9.5 L, 8.4 Imp. qt.)
RC350AWD/RC300
AWD
10.6 qt. (10.0 L, 8.8 Imp. qt.)
RC300
9.2 qt. (8.7 L, 7.7 Imp. qt.)
RC F
11.8 qt. (11.2 L, 9.9 Imp. qt.)
Fluid type
Toyota Genuine ATF WS
NOTICE
■
Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transmission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Front differential (AWD models)
Oil capacity
0.74 qt. (0.70 L, 0.61 Imp. qt.)
Oil type and viscosity
Hypoid gear oil API GL-5
Above 0
F (-18C): SAE90
Below 0
F (-18C): SAE80W or SAE80W-90
546
8-1. Specifications
RC F_U
RC350/RC300 (vehicles without LSD [Limited Slip Differential])
RC350/RC300/RC F (vehicles with LSD [Limited Slip Differential])
RC F (vehicles with TVD [Torque Vectoring Differential])
*
1
: 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 oil of
matching quality to satisfy the above specification. Please contact your Lexus dealer
for further details.
*
2
: Torque transfer modules are located on the right and left sides of the rear differential
unit.
*
3
: Using torque transfer module fluid other than “Toyota Genuine ATF WS” may cause
deterioration of performance, vibration, or ultimately damage the TVD system of your
vehicle.
Rear differential
Oil capacity
1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosity
Toyota Genuine Differential Gear Oil LT
75W-85 GL-5 or equivalent
*
1
Oil capacity
1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosity
Toyota Genuine Differential Gear Oil LX
75W-85 GL-5 or equivalent
*
1
Differential
Torque transfer module
*
2
Oil capacity
1.42 qt. (1.35 L, 1.19 Imp. qt.)
Left-hand side:
0.74 qt. (0.70 L, 0.62 Imp. qt.)
Right-hand side:
0.74 qt. (0.70 L, 0.62 Imp. qt.)
Oil type and viscos-
ity
Toyota Genuine Differential
Gear Oil LT
75W-85 GL-5 or equiva-
lent
*
1
Toyota Genuine ATF WS
*
3
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8-1. Specifications
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RC F_U
*
1
: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N, 51.0 kgf)
while the engine is running.
*
2
: Parking brake pedal travel when depressed with a force of 67.4 lbf (300 N, 30.6 kgf)
Brakes
Pedal clear-
ance
*
1
RC350
4.3 in. (108 mm) Min.
RC350AWD/RC300
AWD
4.5 in. (115 mm) Min.
RC300
4.1 in. (104 mm) Min.
RC F
4.4 in. (112 mm) Min.
Pedal free play
0.04 — 0.24 in. (1.0 — 6.0 mm)
Brake pad wear limit
0.04 in. (1.0 mm)
Parking brake lining wear limit
0.04 in. (1.0 mm)
Parking brake pedal travel
*
2
8 - 11 clicks
Fluid type
SAE J1703 or FMVSS No.116 DOT 3,
or SAE J1704 or FMVSS No.116 DOT 4
brake fluid
Steering
Free play
Less than 1.2 in. (30 mm)
548
8-1. Specifications
RC F_U
RC350/RC300 (type A)
RC350/RC300 (type B)
Tires and wheels
Tire size
235/45R18 94Y, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 35 psi (240 kPa, 2.4 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
tires, 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
18
8J, 17 4T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size
235/45R18 94Y, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 35 psi (240 kPa, 2.4 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
tires, 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
18
8J, 18 4T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
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8-1. Specifications
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RC F_U
RC350/RC300 (type C)
RC350/RC300 (type D)
Tire size
P235/45R18 94V, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 35 psi (240 kPa, 2.4 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
tires, 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
18
8J, 17 4T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size
P235/45R18 94V, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 35 psi (240 kPa, 2.4 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
tires, 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
18
8J, 18 4T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
550
8-1. Specifications
RC F_U
RC350/RC300 (type E)
RC350/RC300 (type F)
Tire size
235/40R19 96V, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 36 psi (250 kPa, 2.5 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 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the front
tires, 8 psi (50 kPa, 0.5 kgf/cm
2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
19
8J, 17 4T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size
235/40R19 96V, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 36 psi (250 kPa, 2.5 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 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the front
tires, 8 psi (50 kPa, 0.5 kgf/cm
2
or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
19
8J, 18 4T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
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8-1. Specifications
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RC F_U
RC350/RC300 (type G)
RC350/RC300 (type H)
Tire size
Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T155/70D17 110M
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 36 psi (250 kPa, 2.5 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 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the front
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
Front wheels: 19
8J
Rear wheels: 19
9J
Spare wheel: 17
4T
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size
Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T145/70D18 107M
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
or bar)
Rear: 36 psi (250 kPa, 2.5 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 6 psi (40 kPa, 0.4 kgf/cm
2
or bar) to the front
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
Front wheels: 19
8J
Rear wheels: 19
9J
Spare wheel: 18
4T
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
552
8-1. Specifications
RC F_U
RC F (type A)
RC F (type B)
Tire size
Front tires: 255/35ZR19 (92Y)
Rear tires: 275/35ZR19 (96Y)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm
2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2
or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law)
Add 8 psi (50 kPa, 0.5 kgf/cm
2
or bar) to the front
tires and rear tires. Never exceed the maximum cold
tire inflation pressure indicated on the tire sidewall.
Wheel size
Front wheels: 19
9J
Rear wheels: 19
10J
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size
Front tires: 255/35ZR19 (92Y)
Rear tires: 275/35ZR19 (96Y)
Spare tire: 225/40ZR19 (93Y)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm
2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2
or bar)
Spare: 42 psi (290 kPa, 2.9 kgf/cm
2
or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law)
Add 8 psi (50 kPa, 0.5 kgf/cm
2
or bar) to the front
tires and rear tires. Never exceed the maximum cold
tire inflation pressure indicated on the tire sidewall.
Wheel size
Front wheels: 19
9J
Rear wheels: 19
10J
Spare wheel: 19
8 1/2J
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
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8-1. Specifications
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RC F_U
Light bulbs
Light bulbs
Bulb No.
W
Type
Exterior
Front turn signal lights (bulb type)
7444NA
28/8
A
Rear turn signal lights
21
A
Back-up lights
921
16
B
Interior
Vanity lights
8
B
Footwell lights
194
3.8
B
Trunk light
5
B
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)
554
8-1. Specifications
RC F_U
■
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.
Fuel information
You must only use unleaded gasoline.
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.
At minimum, the gasoline you use should meet the specifications of ASTM
D4814 in the U.S.A..
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8-1. Specifications
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RC F_U
■
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 informa-
tion 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, pro-
viding they meet other fuel requirements.
Lexus recommends these fuels, since the formulations allow for reduced vehicle emis-
sions.
■
Non-recommendation of the use of blended gasoline
●
If you use gasohol in your vehicle, be sure that it has an octane rating no lower than 91.
●
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 driv-
ing uphill. This is normal and there is no need for concern.
●
Use only gasoline containing up to 15% etha-
nol.
DO NOT use any flex-fuel or gasoline that
could contain more than 15% ethanol, includ-
ing from any pump labeled E30, E50, E85
(which are only some examples of fuel con-
taining more than 15% ethanol).
DO NOT use gasoline con-
taining more than 15% ethanol.
(30% ethanol)
(50% ethanol)
(85% ethanol)
556
8-1. Specifications
RC F_U
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 may cause persistent heavy knocking.
At worst, this may lead to engine damage and will void the vehicle warranty.
■
Fuel-related poor driveability
If poor driveability (poor hot starting, vaporization, engine knocking, etc.) is encoun-
tered 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.
557
8-1. Specifications
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RC F_U
Full-size tire
Compact spare tire
Tire information
Typical tire symbols
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