AC Issues

[CoolSwitch]

if the a/c system had been left open during the engine replacement, you should have had the system serviced too. that is, evacuate, replace receiver/dryer, replace all o-rings, replace expansion valve and had the system vacuumed for at least 20 minutes under 29 inHg and verified it it held the vacuum for at least ten minutes after vacuum pump shut down. then recharge with new or reputable recycled refrigerant for trouble free system for at least three years

eto ba yung process na ibababa yung evaporator? may sinasabi din kasi yung AC tech dun sa shop na AC Cleaning, php900.00 yung price nung service including na yung re-charge?

What do you mean the ac system left open during engine replacement?

TIA ulit