I have a 2013 Thor Daybreak, on a Ford F53 chassis.I just finished putting in the chassis condenser, I added 4 cans of Freon, 48oz, my pressures are at 20psi low and, 170 high, 70 deg ambient temp. It...
At 70 ambient, pressure should be low side 35-40 and high side 145-160psi. IMO possible blockage in expansion/orfice, which should be replaced as well as the drier anytime the system is open.