engine ACURA NSX 2020 Manual PDF

389
uuMaintenance Under the Hood and HatchuEngine Compartment Cover
Maintenance
Engine Compartment Cover
The component parts in the engine compartment are protected by covers.
You may need to remove the cover when you perform certain maintenance work.
Pull up on the engine compartment cover, remove it from the pins.
Engine
Compartment
Covers
20 ACURA NSX PMC-31T6N6300.book 389 ページ ２０１９年９月１１日　水曜日　午後４時５１分

390
uuMaintenance Under the Hood and HatchuRecommended Engine Oil
Maintenance
Recommended Engine OilOil is a major contributor to your engine’s
performance and longevity. If you drive the
vehicle with insufficient or deteriorated oil,
the engine may fail or be damaged.
Under normal ambient temperature an d driving conditions, Acura NSX
specifications require full synthetic, 0W-40 motor oil such as Ultimate Full
Synthetic Motor Oil, Type 3, 0W-40, available at your authorized Acura
NSX dealer. Contact your authorized Acura NSX dealer for more details.1Recommended Engine Oil
NOTICE
Acura cannot ensure proper engine operation and
durability if other engine oil is used.
Ambient Temperature
20 ACURA NSX PMC-31T6N6300.book 390 ページ ２０１９年９月１１日　水曜日　午後４時５１分

391
uuMaintenance Under the Hood and HatchuOil Check
Continued
Maintenance
Oil Check
We recommend that you check the engine oil level every time you refuel.
1. Bring up the Oil Level Check Assist
display on the driver information interface. 2 Driver Information Interface P. 98
2. Warm up the engine until all the bars in the Warm Up gauge light up.
3. When the bars turn green, park the
vehicle on level ground and select
(P .
4. Allow the engine to continue idling until
all the bars in the Idle Time gauge in the
engine Oil Level Check Assist display
light up.
uDo not depress the accelerator pedal
while the engine is idling, as this will
reset the Idle Time .
1Oil Check
NOTICE
Do not open a door or the hatch before the Ready
To Check Oil Level message appears.
If a door or the hatch is open, the corresponding
warning message will be given priority, and the Oil
Level Check Assist will not be displayed.
20 ACURA NSX PMC-31T6N6300.book 391 ページ ２０１９年９月１１日　水曜日　午後４時５１分

393
uuMaintenance Under the Hood and HatchuOil Check
Maintenance
8.Open the hatch.
2 Opening the Hatch P. 387
9. Remove the right engine compartment
cover.
2 Engine Compartment Cover P. 389
10. Remove the dipstick (orange).
11. Wipe the dipstick with a clean cloth or
paper towel.
12. Insert the dipstick back all the way into its
hole.
13. Remove the dipstick again, and check the
level. It should be between the upper and
lower marks.
uThe engine oil level should be checked
after two minutes after changing the
power mode to VEHICLE OFF.
uAdd oil if necessary.
uWhen engine oil is added, recheck the
engine oil level using steps 1 - 14.
14. After checking the engine oil level, make
sure to select a display other than the Oil
Level Check Assist display.
2 Driver Information Interface P. 98
1Oil Check
For a proper oil level reading, the dipstick must be
inserted with the flat si de of the dipstick handle
facing the oil fill cap.
The amount of oil consum ed depends on how the
vehicle is driven and the cl imatic and road conditions
encountered. The rate of oil consumption can be up
to 1.05 US quart (1 liter) per 625 miles (1000 km).
Consumption is likely to be higher when the engine is new.
Oil Fill CapFlat Side
Upper Mark Lower Mark
20 ACURA NSX PMC-31T6N6300.book 393 ページ ２０１９年９月１１日　水曜日　午後４時５１分

394
uuMaintenance Under the Hood and HatchuAdding Engine Oil
Maintenance
Adding Engine Oil1.Unscrew and remove the engine oil fill cap.
2. Add oil slowly.
3. Reinstall the engine oil fill cap, and tighten it securely.
4. Recheck the engine oil level.
2 Oil Check P. 391
1Adding Engine Oil
NOTICE
Do not fill the engine oil above the upper mark. Overfilling the engine oil may result in leaks and
engine damage.
If any oil spills, wipe it away immediately. Spilled oil
may damage the engine compartment components.
Engine Oil Fill Cap
20 ACURA NSX PMC-31T6N6300.book 394 ページ ２０１９年９月１１日　水曜日　午後４時５１分

395
uuMaintenance Under the Hood and HatchuChanging the Engine Oil and Oil Filter
Maintenance
Changing the Engine Oil and Oil Filter
You must change the engine oil and oil fi lter regularly in order to maintain the
engine’s lubrication. The engine may be damaged if they are not changed regularly.
Specialized equipment and procedures are required to change the engine oil and oil filter. Have an authorized Ac ura NSX dealer replace them.
Do not attempt to change the engi ne oil and oil filter yourself.
20 ACURA NSX PMC-31T6N6300.book 395 ページ ２０１９年９月１１日　水曜日　午後４時５１分

396
uuMaintenance Under the Hood and HatchuCooling System
Maintenance
Cooling System
This coolant is premixed with 50% antifreeze and 50% water. Do not add any
straight antifreeze or water.
We recommend you check the engine coolant level every time you refuel. Check the
reserve tank. Add the engine coolant accordingly.1. Make sure the engine and radiator are cool.
2. Open the hatch.
2 Opening the Hatch P. 387
3. Remove the left engine compartment
cover.
2 Engine Compartment Cover P. 389
4. Check the amount of c oolant in the reserve
tank.
uIf the coolant level is below the MIN
mark, add the specified coolant until it
reaches the MAX mark.
5. Inspect the cooling system for leaks.
Specified coolant: Acura Long Life Antifreeze/Coolant Type 2
■Checking the Coolant
1Cooling System
NOTICE
Genuine Acura engine cool ant is a 50/50 mixture of
antifreeze and water that can withstand freezing at
temperatures as low as a bout -31°F (-35°C). If your
vehicle is consistently subjected to temperatures
below this, the concentration of antifreeze in the
coolant should be increased. Consult an authorized
Acura NSX dealer for details.If Acura antifreeze/coolant is not available, you may
use another major brand of non-silicate coolant as a
temporary replacement. Check that it is a high quality
coolant recommended for aluminum engines.
Continued use of any non-Ac ura coolant can result in
corrosion, causing the coo ling system to malfunction
or fail. Have the cooling system flushed and refilled
with Acura antifreeze/cool ant as soon as possible.
Do not add rust inhibitors or other additives to your
vehicle’s cooling system. Th ey may not be compatible
with the coolant or with the engine components.
3WARNING
Removing the reserve tank cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the reserve tank
cap.
Reserve
Tank
MAX
MIN
20 ACURA NSX PMC-31T6N6300.book 396 ページ ２０１９年９月１１日　水曜日　午後４時５１分

397
uuMaintenance Under the Hood and HatchuCooling System
Maintenance
1. Make sure the engine and radiator are cool.
2. Turn the reserve tank cap 1/8 turn counter-
clockwise and relieve any pressure in the
cooling system.
3. Push down and turn the reserve tank cap
counter-clockwise to remove it.
4. Pour coolant into the reserve tank until it reaches the MAX mark.
5. Put the reserve tank cap back on, and
tighten it fully.
■Adding the Coolant1Adding the Coolant
NOTICE
Pour the fluid slowly and ca refully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.
Reserve Tank Cap
20 ACURA NSX PMC-31T6N6300.book 397 ページ ２０１９年９月１１日　水曜日　午後４時５１分

398
uuMaintenance Under the Hood and HatchuInverter Coolant
Maintenance
Inverter Coolant
This coolant is premixed with 50% antifreeze and 50% water. Do not add any
straight antifreeze or water.
We recommend you check the inverter coolant level every time you refuel.
Have an authorized Acura NSX deal er replace the inverter coolant.
1. Open the hood.
2 Opening the Hood P. 388
2. Check the fluid level in the tank.
3. If the coolant level has dropped below the
MIN level, have your vehicle serviced at an
authorized Acura NSX dealer.
uOnly a properly trained technician can
refill the coolant an d check the system
for leaks.
Specified coolan t: Acura Long Life Antifreeze/Coolant Type 2
■Checking the Coolant
1Inverter Coolant
NOTICE
Genuine Acura engine cool ant is a 50/50 mixture of
antifreeze and water that can withstand freezing at
temperatures as low as a bout -31°F (-35°C). If your
vehicle is consistently subjected to temperatures
below this, the concentration of antifreeze in the
coolant should be increased. Consult an authorized
Acura NSX dealer for details. If Acura antifreeze/coolant is not available, you may
use another major brand non- silicate coolant as a
temporary replacement. Check that it is a high quality
coolant recommended fo r aluminum engines.
Continued use of any non-Ac ura coolant can result in
corrosion, causing the coo ling system to malfunction
or fail. Have the cooling system flushed and refilled
with Acura antifreeze/cool ant as soon as possible.
Do not add rust inhibitors or other additives to your
vehicle’s cooling system. Th ey may not be compatible
with the coolant or with the motor components.
MAX
MIN
Filler
Tank
20 ACURA NSX PMC-31T6N6300.book 398 ページ ２０１９年９月１１日　水曜日　午後４時５１分

400
uuMaintenance Under the Hood and HatchuBrake Fluid
Maintenance
Brake FluidThe fluid level should be between the MIN
and MAX marks on the side of the reserve
tank.
Refilling Window Washer Fluid
If the washer fluid is low, a message ap pears on the driver information interface.
Pour the washer fluid carefully. Do not overflow the reservoir.
Specified fluid: Acura Heavy Duty Brake Fluid DOT 4
■Checking the Brake Fluid
1Brake Fluid
NOTICE
Brake fluid marked DOT 5 is not compatible with your
vehicle’s braking system and can cause extensive
damage.
If the specified br ake fluid is not av ailable, you should
use only DOT 4 fluid from a sealed container as a
temporary replacement.
Using any non-Acura brake fl uid can cause corrosion
and decrease the longevity of the system. Have the brake system flushed and re filled with Acura Heavy
Duty Brake Fluid DOT 4 as soon as possible.
If the brake fluid level is at or below the MIN mark,
have an authorized Acura NSX dealer inspect the
vehicle for leaks or worn brake pads as soon as
possible.
MINReserve Tank
MAX
1Refilling Window Washer Fluid
NOTICE
Do not use engine antifreeze or a vinegar/water
solution in the windshield washer reservoir.
Antifreeze can damage y our vehicle’s paint. A
vinegar/water solution ca n damage the windshield
washer pump.
Use only commercially avai lable windshield washer
fluid. Avoid prolonged use of hard water to prevent lime
scale build up.
20 ACURA NSX PMC-31T6N6300.book 400 ページ ２０１９年９月１１日　水曜日　午後４時５１分