EV and hybrid air conditioning systems use POE oil rather than the PAG oil found in most petrol and diesel vehicles, and mixing the two damages the compressor. Servicing an EV or hybrid needs equipment kept specifically for that oil type, which most general vehicle A/C setups don’t carry.
Covers re-gas, leak testing and diagnostics on hybrid and full-electric vehicles, using City & Guilds 7543-01 qualified equipment and process throughout.