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 Toyota 4Runner TRD ProFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 4.60 OZS. | 0.13 L | PAG 46 | Approximate capacity. | S | ||
| Air Cond Refrigerant | 1.21 LBS. | 0.54 KG | HFC-134a (R-134a) | Approximate capacity. | S | ||
| Automatic Transmission Fluid | 11.30 QTS. | 10.69 L | TOYOTA Genuine Automatic Transmission Fluid Type WS | The fluid capacity is the quantity of reference. Using transmission fluid other than TOYOTA Genuine ATF WS may cause deterioration in shift quality, locking up of your transmission acompanied by vibration, and ultimately damage the transmission of your vehicle. | S | ||
| Brake Fluid | N/A | N/A | SAE J1703 or FMVSS No. 116 DOT 3 | S | |||
| Differential Gear Oil | 4WD,Part Time T/Case Control | Front | 1.60 QTS. | 1.51 L | TOYOTA Genuine Differential Gear Oil LT 75W-85 GL-5 or equivalent | Your Toyota vehicle is filled with Toyota Genuine Differential Gear Oil at the factory. Use Toyota approved Toyota Genuine Differential Gear Oil or an equivalent of matching quality to satisfy the specification. | S |
| Differential Gear Oil | Rear,w/o Rear Differential Lock | 2.90 QTS. | 2.74 L | TOYOTA Genuine Differential Gear Oil LT SAE 75W-85 GL-5 or equivalent | Your Toyota vehicle is filled with Toyota Genuine Differential Gear Oil at the factory. Use Toyota approved Toyota Genuine Differential Gear Oil or an equivalent of matching quality to satisfy the specification. | S | |
| Differential Gear Oil | Rear,w/Rear Differential Lock | 2.80 QTS. | 2.64 L | TOYOTA Genuine Differential Gear Oil LT SAE 75W-85 GL-5 or equivalent | Your Toyota vehicle is filled with Toyota Genuine Differential Gear Oil at the factory. Use Toyota approved Toyota Genuine Differential Gear Oil or an equivalent of matching quality to satisfy the specification. | S | |
| Engine Coolant | 11.10 QTS. | 10.5 L | TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate 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 | 6.60 QTS. | 6.24 L | TOYOTA Genuine Motor Oil. SAE 0W-20 or equivalent ILSAC GF-5 multigrade engine oil | 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. | S | |
| Engine Oil | Drain and Refill,w/o Filter | 6.00 QTS. | 5.67 L | TOYOTA Genuine Motor Oil. SAE 0W-20 or equivalent ILSAC GF-5 multigrade engine oil | 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. | S | |
| Fuel Tank | 23.00 GALS. | 87.06 L | S | ||||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid DEXRON II or DEXRON III | S | |||
| Transfer Case Fluid | 4WD,Part Time T/Case Control | 1.10 QTS. | 1.04 L | TOYOTA Genuine Transfer Gear Oil LF SAE 75W or equivalent | S | ||
| Windshield Washer Fluid | N/A | N/A | Washer Fluid | 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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