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 RC FFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | 1.25 LBS. | 0.56 KG | HFC-134a (R-134a) | S | |||
| Automatic Transmission Fluid | 11.80 QTS. | 11.16 L | TOYOTA Genuine Automatic Transmission Fluid Type WS | The fluid capacity is the quantity of reference. Using automatic transmission fluid other than Toyota Genuine ATF WS may cause deterioration in shift quality, locking up of your transmission accompanied by vibration, and ultimately damage the automatic transmission of your vehicle. | S | ||
| Brake Fluid | N/A | N/A | SAE J1703 or FMVSS No. 116 DOT 3 Brake Fluid, FMVSS No. 116 DOT 4 or SAE J1704 | S | |||
| Differential Gear Oil | w/Limited Slip Differential | 1.42 QTS. | 1.34 L | TOYOTA Genuine Defferential Gear Oil LT SAE 75W-85 GL-5 or equivalent | S | ||
| Differential Gear Oil | w/o Torque Vectoring Differential | 1.42 QTS. | 1.34 L | TOYOTA Genuine Defferential Gear Oil LX SAE 75W-85 GL-5 or equivalent | S | ||
| Differential Gear Oil | w/Torque Vectoring Differential,Rear | N/A | N/A | TOYOTA Genuine Automatic Transmission Fluid Type WS | Torque Transfer Module: Left-hand side: 0.74 qt. Right-hand side: 0.74. Use Toyota Genuine ATF WS. | S | |
| Engine Coolant | 12.20 QTS. | 11.54 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. The fluid capacity is the quantity of reference. | S | ||
| Engine Oil | Drain and Refill,w/Filter | 9.30 QTS. | 8.8 L | TOYOTA Genuine Motor Oil. API - SAE 5W-30 ILSAC GF-5 Multigrade Engine Oil | The engine oil capacity is a reference quantity to be used when changing the engine oil. Warm up the engine and turn off the engine, wait more than 5 minutes, and check the oil level on the dipstick. If SAE 5W-30 is not available, SAE 10W-30 oil may be used, however it should be replaced with SAE 5W-30 at the next oil change. | S | |
| Engine Oil | Drain and Refill,w/o Filter | 8.30 QTS. | 7.85 L | TOYOTA Genuine Motor Oil. API - SAE 5W-30 ILSAC GF-5 Multigrade Engine Oil | The engine oil capacity is a reference quantity to be used when changing the engine oil. Warm up the engine and turn off the engine, wait more than 5 minutes, and check the oil level on the dipstick. If SAE 5W-30 is not available, SAE 10W-30 oil may be used, however it should be replaced with SAE 5W-30 at the next oil change. | S | |
| Fuel Tank | 17.50 GALS. | 66.24 L | S | ||||
| Windshield Washer Fluid | N/A | N/A | Washer Fluid | In cold areas where temperatures range below the freezing point, use washer fluid containing antifreeze. | 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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