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.
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2015 Kia Optima Limited
Quick Lookups: Fluids
2015 Kia Optima LimitedSECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | Gas | 3.30 OZS. | 0.09 L | PAG #FD46XG | S | ||
| Air Cond Refrigerant | 1.21 LBS. | 0.54 KG | R-134a | S | |||
| Automatic Transmission Fluid | 2.0L Eng | 8.24 QTS. | 7.79 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 | 0.70 QTS. | 0.66 L | FMVSS116 DOT 3 or DOT 4 Brake Fluid | S | |||
| Engine Coolant | 2.0L Eng | N/A | N/A | 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 | 2.0L Eng | Drain and refill,w/Filter | 5.07 QTS. | 4.79 L | ACEA A5 or above, SAE 5W-30, 5W-40 | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. | S |
| Fuel Tank | Gas | 18.49 GALS. | 69.99 L | S | |||
| Windshield Washer Fluid | N/A | N/A | S | ||||
RENDER: 1.0x
NO RELATED
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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.