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.
2019 Kia Optima SFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | Gas | 4.00 OZS. | 0.11 L | PAG (FD46XG) | S | ||
| Air Cond Refrigerant | 1.25 LBS. | 0.56 KG | R-1234yf | S | |||
| Automatic Transmission Fluid | 2.4L Eng | 7.50 QTS. | 7.09 L | MICHANG ATF SP-IV, SK ATF SP-IV, NOCA ATF SP-IV, KIA genuine ATF SP-IV or other brands meeting the GL-4 specification approved by Kia Motors Corp | S | ||
| Brake Fluid | 0.47 QTS. | 0.44 L | FMVSS116 DOT 3 or DOT 4 Brake Fluid | S | |||
| Engine Coolant | 2.4L Eng | 7.60 QTS. | 7.19 L | 50/50 mixture of Ethylene Glycol Antifreeze and water | Fluid Capacity is between: 6.87 - 6.97 qts. The engine coolant should be compatible with aluminum engine parts. | S | |
| Engine Oil | 2.4L Eng | 5.07 QTS. | 4.79 L | API - Latest or ACEA A5/B5, SAE 5W-20, 5W-30 | S | ||
| Fuel Tank | Gas | 18.50 GALS. | 70.03 L | S | |||
| Windshield Washer Fluid | N/A | N/A | 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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