After years of owning a W123 Euro with factory aircon, the equipped Harrison H4 (Delco) compressor breathed its last a couple years ago. Rather than risk another failure, I reached out to Klima, who shipped me a Sanden compressor and kit.

- All hoses were replaced.
- I had already installed a new condensing radiator (Behr).
- New Receiver dry installed
- Gas pressure holds constant (no leaks)

The aircon works but it is nowhere near as capable of lowering grill temperature (recorded at 16 degrees C with the old compressor on R24 gas before it died).

Is this normal when switching gas type? OR have I missed something?

TIA!

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