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 Hyundai Tucson Ultimate, FWDFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 4.35 OZS. | 0.12 L | PAG 30 | Approximate capacity. | S | ||
| Air Cond Refrigerant | 1.20 LBS. | 0.54 KG | R-1234yf | S | |||
| Automatic Transmission Fluid | 2.4L Eng | 7.08 QTS. | 6.7 L | MICHANG ATF SP-IV SK ATF SP-IV, NOCA AFT SP-IV, HYUNDAI genuine ATF SP-IV or other brands meeting the specifications approved by Hyundai Motor Co., | S | ||
| Brake Fluid | 0.70 QTS. | 0.66 L | FMVSS116 DOT 3 or DOT 4 Brake Fluid | As required. | S | ||
| Engine Coolant | 2.4L Eng | 8.14 QTS. | 7.7 L | 50/50 mixture of Ethylene Glycol Antifreeze and water | The engine coolant should be compatible with aluminum engine parts. | S | |
| Engine Oil | 2.4L Eng | Drain and Refill,w/Filter | 5.07 QTS. | 4.79 L | API - SM, ILSAC GF-4 or Above. SAE 5W-20, 5W-30, ILSAC GF-3 or Above, SAE 10W-30 Above 0Deg F (-18Deg C) | If API service SM engine oil is not available you may use API service SL. For better fuel economy, it is recommended to use the engine oil viscosity grade SAE 5W-20 (API SM/ILSAC GF-4). Hyundai recommends Quaker State. | S |
| Fuel Tank | 16.38 GALS. | 62 L | S | ||||
| Transfer Case Fluid | 0.50 QTS. | 0.47 L | Hypoid Gear Oil API - GL-5, SAE 75W-85 SK HCT-5 Gear Oil SAE 75W-85 or equivalent | S | |||
| Windshield Washer Fluid | N/A | N/A | Use a good quality windshield washer fluid, diluted with water as necessary. | S | |||
Factory Service Tools
Use the Manual With the Right Hardware
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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.