2017 Lexus GS F engine

603
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
The coolant level is satisfactory if it is between the “FULL”/ “F” and “LOW”/ “L”
lines on the reservoir.
Engine coolant reservoir
“FULL”/ “F”
“LOW”/ “L”
Coolant inlet cap
Intercooler coolant reservoir
GS200t
4
1
2
3
4
5
GS350GS F

605
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
Start the engine and turn the air conditio ning system on to check that the radi-
ator cooling fans operate and to check for coolant leaks from the radiator or
hoses.
The fans operate when the air conditioning system is turned on immediately 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 conditioning 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 any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
If the fans are operating:
Have the vehicle inspected at the nearest any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
■When adding engine coolant (GS350/GS200t)
Add coolant in accordance with the following procedure.
Remove caps A and B.
Add engine coolant through the inlet of cap A up to the “[AR/GR] B” line, and then
install cap A.
Add engine coolant through the inlet of cap B until it is full, and then install cap B.
GS200t only: When installing cap B, apply c oolant to the O-ring on the end of cap B.
Cap A
Cap B
“[AR/GR] B” line (Target fill line)
6
7
1
2
3
GS350 GS200t
1
2
3

6067-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the h ood, do not open the hood until the steam
has subsided. The engine compartment may be very hot.
●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 seri-
ous injury.
●GS350: Do not loosen the coolant inlet cap
or the engine coolant reservoir cap while the
engine and radiator are hot.
High temperature steam or coolant could
spray out.
●GS F: Do not loosen the engine coolant res-
ervoir cap while the engine and radiator are
hot.
High temperature steam or coolant could
spray out.
●GS200t: Do not loosen the coolant inlet cap,
the engine coolant reservoir cap or the inter-
cooler coolant reservoir cap while the engine
and radiator are hot.
High temperature steam or coolant could
spray out.

607
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cool ed down sufficiently. 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 foreign matter (such as sand or dust etc.).
●Do not use any coolant additive.

6087-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
If the vehicle becomes stuck
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 other material under the rear wheels to help pro-
vide traction.
Restart the engine.
Shift the shift lever to D or R and rele ase the parking brake. Then, while exer-
cising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt or snow:
1
2
3
4
5
Press to turn off TRC. ( P. 377)GS350/GS200t

6148-1. Specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
■Vehicle identification number
The vehicle identification number (VIN) is the legal identifier for your vehicle.
This is the primary identification number for your Lexus. It is used in register-
ing the ownership of your vehicle.
This number is stamped on the top
left of the instrument panel and in the
engine compartment.
Vehicle identification
GS350GS200t
GS F

615
8
8-1. Specifications
Vehicle specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
This number is also on the manufac-
turer’s label.
■Engine number
The engine number is stamped on the engine block as shown.
GS350GS200t
GS F

6168-1. Specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
GS350
GS200t
Engine
Model2GR-FKS
Type6-cylinder V type, 4-cycle, gasoline
Bore and stroke94.0  83.0 mm (3.70  3.27 in.)
Displacement3456 cm 3
(210.9 cu.in.)
Valve clearanceAutomatic adjustmentDrive belt tension
Model8AR-FTS
Type4-cylinder in line, 4-cycle, gasoline
(with turbocharger)
Bore and stroke86.0  86.0 mm (3.39  3.39 in.)
Displacement1998 cm 3
(121.9 cu.in.)
Valve clearanceAutomatic adjustmentDrive belt tension