Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Lexus NX 300hFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 4.30 OZS. | 0.12 L | POE ND-OIL 11 | S | |||
| Air Cond Refrigerant | 1.00 LBS. | 0.45 KG | HFC-134a (R-134a) | Capacity is between: 1.00 - 1.20 lbs. | S | ||
| Automatic Transmission Fluid | 4.00 QTS. | 3.78 L | TOYOTA Genuine Automatic Transmission Fluid Type WS | Using ATF other than "TOYOTA Genuine ATF WS" may cause deterioration in shift quality, locking up of the transmission accompanied by vibration, and ultimately damage the transaxle of the vehicle. | S | ||
| Brake Fluid | N/A | N/A | SAE J1703 or FMVSS No. 116 DOT 3 Brake Fluid | S | |||
| Differential Gear Oil | Rear Electronic Motor | 1.90 QTS. | 1.79 L | TOYOTA Genuine Automatic Transmission Fluid Type WS | S | ||
| Engine Coolant | Gasoline Engine,w/o Towing Package | 7.70 QTS. | 7.28 L | TOYOTA Super Long Life Coolant or Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology | DO NOT use plain water alone. | S | |
| Engine Coolant | Gasoline Engine,w/Towing Package | 7.10 QTS. | 6.71 L | TOYOTA Super Long Life Coolant or Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology | DO NOT use plain water alone. | S | |
| Engine Coolant | Power Control Unit | 3.30 QTS. | 3.12 L | TOYOTA Super Long Life Coolant or Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology | DO NOT use plain water alone. | S | |
| Engine Oil | w/Filter | 4.60 QTS. | 4.35 L | TOYOTA Genuine Motor Oil. ILSAC GF-5 Multigrade Engine Oil, SAE 0W-20 | If SAE 0W-20 is not available, SAE 5W-20 may be used. However, it must be replaced with SAE 0W-20 at the next oil change. | S | |
| Engine Oil | w/o Filter | 4.20 QTS. | 3.97 L | TOYOTA Genuine Motor Oil. ILSAC GF-5 Multigrade Engine Oil, SAE 0W-20 | If SAE 0W-20 is not available, SAE 5W-20 may be used. However, it must be replaced with SAE 0W-20 at the next oil change. | S | |
| Fuel Tank | 14.80 GALS. | 56.02 L | S | ||||
| Windshield Washer Fluid | N/A | N/A | Washer Fluid | Refer to the freezing temperatures listed on the washer fluid tank. | S | ||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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