your lc ac plumbing is completely fucked up, it also has a jugaru solenoid valve installed on the fridge liquid line. the connections are poor too.
i would suggest you to get a complete set of liquid lines from scrap, the fridge's suction line had a one way mechanical valve built-in, if it doesn't work it creates all sorts of problems. also, the expansion valve of the fridge is not a regular valve, it has a different flow rating - and is not available new. if you install a new txv for the fridge you need to adjust it, which requires discharging and charging of r134 and removal / installation of the fridge plenty times
for the front evaporator, id suggest either swap it for a 134 evap, or get it modified to accept the r134 h block txv, that txv is available new from denso.
