High Priority 96% confidence

Hissing from vents and slow loss of refrigerant

in SEAT Leon MK3 (2012-2026)

Symptoms

  • No cold air from vents
  • Weak cabin cooling
  • Different temperature on both sides of the cabin
  • Frost or ice on pipes under the hood

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A/C Technical Specifications

IV - (KL)

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

III - (5F)

Refrigerant: R134a Amount (g): 450-500g Oil: PAG 46 Oil (ml): 120 - 140ml

II kompresor Denso 7SEU17C

Refrigerant: R134a Amount (g): 500 – 550g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 130 – 150ml
See full specification

Other problems in Leon MK3

A/C works intermittently or cuts out during driving

High Priority

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