1999 Lexus GS300 Engine

SECTION 6 ± 2
378
SERVICE PROCEDURES AND
SPECIFICATIONS
Engine
Specifications (GS400) 379. . . . . . . . . . . . . . . . . . . . . . . .
Specifications (GS300) 383. . . . . . . . . . . . . . . . . . . . . . . .
Fuel387 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Facts about engine oil consumption389 . . . . . . . . . . . . .
Used engine oil391 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the engine oil level392 . . . . . . . . . . . . . . . . . . .
Checking the engine coolant level397 . . . . . . . . . . . . . . .
Spark plugs401 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE
379
SPECIFICATIONS (GS400)
± GENERAL
Model
Type
Bore and stroke
Displacement
Valve clearance (engine cold)
Intake
Exhaust
Drive belt tension
1UZ±FE
8 cylinder V type, 4 cycle, gasoline
87.5 X 82.5 mm (3.44 X 3.25 in.)
3969 cm
3 (242.1 cu.in.)
0.15 ± 0.25 mm (0.006 ± 0.010 in.)
0.25 ± 0.35 mm (0.010 ± 0.014 in.)
Automatic adjustment
± LUBRICATION SYSTEM

62L005±1
Temperature range anticipated before next oil change
ENGINE
380Oil capacity
Drain and refill
with filter
without filter
Oil grade
Recommended oil viscosity (SAE):
5.2 L (5.5 qt., 4.6 lmp.qt.)
4.9 L (5.2 qt., 4.3 lmp.qt.)
API SJ, ºEnergy±Conservingº multigrade engine oil or
ILSAC multigrade engine oil
± COOLING SYSTEM
Capacity
Coolant type
9.3 L (9.8 qt., 8.2 lmp.qt.)
ºToyota Long Life Coolantº or equivalent
With ethylene±glycol type coolant for a proper
corrosion protection of aluminum components
Do not use alcohol type antifreeze or plain water
alone.
± FUEL
Fuel type
Octane rating
Only UNLEADED
91 (Research octane number 96) or higher

ENGINE
381 ± IGNITION SYSTEM
Spark plug ± Make DENSO
NGK
± Gap
SK20R11
IFR6A11
1.1 mm (0.043 in.)

ENGINE
382± ELECTRICAL SYSTEM
Battery ± Maintenance type battery
Specific gravity reading at 20C (68F):
Charging rates Quick charge
Slow charge
± Non±maintenance battery
Open voltage at 20C (68F):
Charging rates
1.260 Fully charged
1.160 Half charged
1.060 Discharged
15A max.
5A max.
12.7V Fully charged
12.3V Half charged
11.9V Discharged
[Voltage that is checked 20 minutes after the key is
removed with all the lights turned off]
5A max.

ENGINE
383
SPECIFICATIONS (GS300)
± GENERAL
Model
Type
Bore and stroke
Displacement
Valve clearance (engine cold)
Intake
Exhaust
Drive belt tension
2JZ±GE
6 cylinder in line, 4 cycle, gasoline
86.0 X 86.0 mm (3.39 X 3.39 in.)
2997 cm
3 (182.9 cu.in.)
0.15 ± 0.25 mm (0.006 ± 0.010 in.)
0.25 ± 0.35 mm (0.010 ± 0.014 in.)
Automatic adjustment
± LUBRICATION SYSTEM

62L005±1
Temperature range anticipated before next oil change
ENGINE
384Oil capacity
Drain and refill
with filter
without filter
Oil grade
Recommended oil viscosity (SAE):
5.4 L (5.7 qt., 4.8 lmp.qt.)
5.1 L (5.4 qt., 4.5 lmp.qt.)
API SJ, ºEnergy±Conservingº multigrade engine oil or
ILSAC multigrade engine oil
± COOLING SYSTEM
Capacity
Coolant type
7.7 L (8.1 qt., 6.8 lmp.qt.)
ºToyota Long Life Coolantº or equivalent
With ethylene±glycol type coolant for a proper
corrosion protection of aluminum components
Do not use alcohol type antifreeze or plain water
alone.
± FUEL
Fuel type
Octane rating
Only UNLEADED
91 (Research octane number 96) or higher

ENGINE
385 ± IGNITION SYSTEM
Spark plug ± Make DENSO
NGK
± Gap
PK16TR11
BKR5EKPB11
1.1 mm (0.043 in.)