High Priority 95% confidence

Hissing from vents and slow loss of refrigerant

in Renault Megane IV (2015-2023)

Symptoms

  • Unusual noises when A/C is turned on
  • Frost or ice on pipes under the hood
  • Slow loss of refrigerant

DTC error codes

Low pressure R1234yf

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A/C Technical Specifications

IV - (BFB)

Refrigerant: R1234yf Amount (g): 430-480g Oil: PAG YF ISO 46 Oil (ml): 120 - 140ml

III

Refrigerant: R134a Amount (g): 480g Oil: SP 10 PAO 68 lub PAG ISO 46 Oil (ml): 120ml

II (XMO) 1,4 i/1,5 D dCi/1,6 i/1,9 D dCi/2,0 i/2,0 dCi

Refrigerant: R134a Amount (g): 550g Oil: Planetelf PAG 488 PAO 68 lub PAG ISO 150 Oil (ml): 150ml
See full specification

Other problems in Megane IV

Errors / Flashing air conditioning panel (Climatronic)

High Priority

No airflow from specific vents or clicking noise behind dashboard

High Priority

Unusual noise and metallic grinding when A/C is on

High Priority

Unusual noise and metallic grinding when A/C is on

High Priority

Air conditioning stopped cooling / no response to AC button

High Priority

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