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First of all my air on is not up to much and needs refilling. Looking underneath I can clearly see green fluorescent liquid on the compressor mainly on the wiring switch although it could run down from above or down the wire. Any thoughts would be appreciated for example, can the switch leak or would it have a O ring. There is a drip under the pump too so making me think it’s higher up and nor switch. Please see photo.

I have now also got a small oil leak and oil is running down the radiator hose and is even a small drip on the O2 sensor. Any idea where this could be coming from?

Any help appreciated as always
Cheers
Andrew

It could be the o rings on the two compressor pipes on top , as I don’t believe the switch is a serviceable part of the compressor.

Thanks for quick reply, I hope so