2015 LEXUS LX570 engine

5
When trouble arises
8795-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) If your vehicle overheats
Correction procedures
Stop the vehicle in a safe place and turn off the air conditioning
system, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
Cooling fans If a large amount of coolant leaks,
immediately contact your Lexus
dealer.The following may indicate that your vehicle is overheating.
● The needle of the engine coolant temperature gauge (  P. 192)
enters the red zone or a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
● Steam is coming from under the hood. STEP 1
STEP 2
STEP 3

8805-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) The coolant level is satisfactory if it
is between the “F” and “L” lines on
the reservoir.
Reservoir
“F”
“L”
Radiator cap
Add coolant if necessary. Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and tu rn the air conditioning system on to check
that the radiator cool ing fans operate and to check for coolant
leaks from the radiator or hoses. The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly. (The fans may not operate in
freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer. STEP 4
STEP 5
STEP 6
STEP 7

5
When trouble arises
8815-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) CAUTION■
To prevent an accident or injury when inspecting under the hood of your vehicle ●
If steam is seen coming from under the hood, do not open the hood until the
steam has subsided. The engi ne compartment may be very hot, causing serious
injury such as burns. ●
Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans
and belts. Failure to do so may cause the hands or clothing to be caught, resulting
in serious injury. ●
Do not loosen the radiator cap or the coolant reservoir cap while the engine and
radiator are hot.
Serious injury, such as bu rns, may result from hot coolant and steam released
under pressure.
NOTICE■
When adding engine coolant
Wait until the engine has cooled down before adding engine coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot engine too quickly
can cause damage to the engine. ■
To prevent damage to the cooling system
Observe the following precautions: ●
Avoid contaminating the coolant with foreig n matter (such as sand or dust etc.).●
Do not use any coolant additive.

8825-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) If the vehicle becomes stuck
■
When it is difficult to free the vehicle
■
Extra high mode
 P. 326Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow.
Stop the engine. Set the parking brake and shift the shift lever
to “P”.
Remove the mud, snow, or sand from around the rear wheels.
Place wood, stones or some ot her material under the rear
wheels to help provide traction.
Restart the engine.
Shift the shift lever to the “D” or “R” po sition and release the
parking brake. Then , while exercising caution, depress the
accelerator pedal. STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Press to turn off Active TRAC.

8845-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) If your vehicle has to be stopped in an emergency Only in an emergency, such as if it becomes impossible to stop the vehicle
in the normal way, stop the vehi cle using the following procedure:
Steadily step on the brake pedal with both feet and firmly
depress it. Do not pump the brake pedal repeatedly as this will increase the
effort required to slow the vehicle.
Shift the shift lever to “N”.
If the shift lever is shifted to “N”
After slowing down, stop the ve hicle in a safe place by the
road.
Stop the engine.
If the shift lever cannot be shifted to “N”
Keep depressing the brake peda l with both feet to reduce
vehicle speed as much as possible.
To stop the en gine, press and
hold the “ENGINE START
STOP” switch for 2 consecutive
seconds or more, or press it
briefly 3 times or more in suc-
cession.STEP 1
STEP 2
STEP 3
STEP 4
STEP 3
STEP 4
Press and hold for 2 seconds or more,
or press briefly 3 times or more

5
When trouble arises
8855-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) CAUTION■
If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heavier to turn. Decelerate as much as
possible before turning off the engine.

8876-1. Specifications
6
Vehicle specifications
LX570_OM_OM60L96U_(U) Vehicle identification
■ Vehicle identification number
The vehicle identification number (V IN) is the legal identifier for your
vehicle. This is the primary identi fication number for your Lexus. It is
used in registering the ownership of your vehicle.
This number is stamped on the top
left of the instrument panel.
This number is also on the Certifi-
cation Label.
■ Engine number
The engine number is stamped on
the engine block as shown.

8886-1. Specifications
LX570_OM_OM60L96U_(U) Engine
Fuel Model 5.7L V8 (3UR-FE)
Type 8-cylinder V type, 4-cycle, gasoline
Bore and stroke 3.70  4.02 in. (94.0  102.0 mm)
Displacement
345.6 cu.in. (5663 cm 3
)
Valve clearance
Automatic adjustment
Drive belt tension
Fuel type Unleaded gasoline only
Octane rating 91 (Research Octane Number 96) or higher
Fuel tank capacity
(Reference) 24.5 gal. (93 L, 20.4 Imp.gal.)