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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

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.