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.
2021 Lexus GX 460 BaseFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 5.10 OZS. | 0.15 L | PAG 46 | S | |||
| Air Cond Refrigerant | w/o Rear Air Cond,w/Cooler Box | 1.21 LBS. | 0.54 KG | HFC-134a (R-134a) | S | ||
| Air Cond Refrigerant | w/Rear Air Cond,w/Cooler Box | 1.88 LBS. | 0.85 KG | HFC-134a (R-134a) | S | ||
| Air Cond Refrigerant | w/Rear Air Cond,w/o Cooler Box | 1.78 LBS. | 0.8 KG | HFC-134a (R-134a) | S | ||
| Automatic Transmission Fluid | w/Air-cooler ATF cooler | 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 | |
| Automatic Transmission Fluid | w/o Air-cooler ATF cooler | 11.60 QTS. | 10.97 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 | Front | 1.48 QTS. | 1.4 L | TOYOTA Genuine Defferential Gear Oil LT SAE 75W-85 GL-5 or equivalent | S | ||
| Differential Gear Oil | Rear | 2.85 QTS. | 2.69 L | TOYOTA Genuine Defferential Gear Oil LT SAE 75W-85 GL-5 or equivalent | S | ||
| Engine Coolant | w/o Rear Heater | 14.50 QTS. | 13.72 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 | w/Rear Heater | 16.30 QTS. | 15.42 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 | Drain and Refill,w/Filter | 8.20 QTS. | 7.76 L | TOYOTA Genuine Motor Oil. ILSAC GF-5 Multigrade engine oil. API - SAE 0W-20 | SAE 0W-20 is the best choice for good fuel economy and good starting in cold weather. If SAE 0W-20 is not available, SAE 5W-20 oil may be used. However, it must be replaced with SAE 0W-20 at the next oil change. The fluid capacity is the quantity of reference. | S | |
| Engine Oil | Drain and Refill,w/o Filter | 7.80 QTS. | 7.38 L | TOYOTA Genuine Motor Oil. ILSAC GF-5 Multigrade engine oil. API - SAE 0W-20 | SAE 0W-20 is the best choice for good fuel economy and good starting in cold weather. If SAE 0W-20 is not available, SAE 5W-20 oil may be used. However, it must be replaced with SAE 0W-20 at the next oil change. The fluid capacity is the quantity of reference. | S | |
| Fuel Tank | 23.00 GALS. | 87.06 L | S | ||||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid DEXRON II or III | S | |||
| Transfer Case Fluid | 1.50 QTS. | 1.41 L | TOYOTA Genuine Transfer Case Gear Oil LF or equivalent. SAE 75W | 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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