Certain G80 (RG3) and G90 (RS4) vehicles equipped with the 2.5T‑GDI Theta III or 3.5T‑GDI Lambda III...
Genesis technical service bulletin 26-01-049G TSB for 2026 Genesis G80 and 2026 Genesis G90.
- Bulletin number
- 26-01-049G TSB (L09G)
- Component
- Unknown or other
- Summary
- Certain G80 (RG3) and G90 (RS4) vehicles equipped with the 2.5T‑GDI Theta III or 3.5T‑GDI Lambda III engine may experience reduced air‑conditioning performance due to a refrigerant leak originating at the Thermostatic Expansion Valve (TXV).This condition may be caused by improper installation of the liquid and suction pipe O‑rings at the TXV connection point. This bulletin provides instructions to replace the TXV O‑rings at the liquid and suction pipe connections to correct the condition.
Vehicles covered
- Genesis G80 2026 2026
- Genesis G90 2026 2026
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