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 Kia Rio LXFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 4.10 OZS. | 0.12 L | FD46XG (IDEMITSU) | S | |||
| Air Cond Refrigerant | 1.05 LBS. | 0.47 KG | R-1234yf | S | |||
| Automatic Transmission Fluid | 6.87 QTS. | 6.5 L | SP-CVT1 | Use only specified genuine Continuosly variable Transmission fluid. the use of non-specified fluid (even marked as compatible with genuine) could result in shift quality deterioration and vibrations, eventually, the transmission failure. | S | ||
| Brake Fluid | 0.70 QTS. | 0.66 L | SAE J1704 DOT-4 LV, FMVSS 116 DOT-4, ISO4925 CLASS-6 | S | |||
| Engine Coolant | 5.81 QTS. | 5.49 L | 50/50 mixture of Ethylene Glycol Antifreeze and water | The engine coolant should be compatible with aluminum engine parts. | S | ||
| Engine Oil | w/Filter | 4.00 QTS. | 3.78 L | SAE 0W-20, API SN Plus/SP or ILSAC GF-6 | S | ||
| Fuel Tank | 11.90 GALS. | 45.04 L | S | ||||
| Windshield Washer Fluid | N/A | N/A | 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.
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