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Kia Optima / K5 Freon Capacity & Compressor Oil Specs
Exact refrigerant charge specifications for Kia Optima / K5 in grams, specifying gas code, compressor lubricant requirements, and operating pressures for the Saudi Arabian climate.
Latest Generation Specifications (2021 - 2024 (K5))
Refrigerant (Single AC) 500 g ± 25 grams
Refrigerant Code R134a 100% Virgin Gas
Compressor Lubricant PAG 46 110 ml
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Calibrated for Summer 2026
R134a
Refrigerant (Single AC)
0 g
± 30g Refrigerant (Dual AC)
- g
Rear cabin Compressor Oil Spec PAG 46 120 ml
Summer PSI @ 45°C 32 - 40 PSI High: 220-270 PSI
Kia Optima / K5 Freon Capacity by Year
Historical changes in charge weight and oil types across generations:
| Years / Gen | Refrigerant | Single AC (g) | Oil Specification | Summer PSI Benchmark | Notes |
|---|---|---|---|---|---|
| 2021 - 2024 (K5) | R134a | 500 g ± 25g | PAG 46 110 ml | 30 - 38 PSI High: 215 - 260 PSI | Standard scale charging |
| 2016 - 2020 | R134a | 550 g ± 25g | PAG 46 130 ml | 32 - 40 PSI High: 215 - 255 PSI | Standard scale charging |
Kia Optima / K5 AC Performance in Saudi Summer
Kia K5 uses an electronic valve compressor requiring 500g for immediate cooling.
Known Kia Optima / K5 Climate Issues:
- ! Electronic control valve failure
- ! Condenser face pinhole
Frequently Asked Questions: Kia Optima / K5 AC
Kia K5 freon capacity?
Modern Kia K5 takes 500g of R134a.