Before replacing expensive parts and labor, try Enviro-Safe Proseal with Prodry and Leak Detector! DO NOT USE IN AMMONIA SYSTEMS!
Envirosafe Proseal XL4 for R22, refrigerant sealant, Auto A/C, 1 Can
Arctic Air for R1234yf, 3 cans with Proseal and gauge
Envirosafe Industrial R134a Replacement Refrigerant, Proseal, Prodry, Gauge kit
Refrigerant ProSeal for R1234yf, EnviroSafe Sealant, R1234 ProSeal, 3 CANS
Envirosafe Arctic Air for R-1234yf with Proseal, Leak Detector, R1234 and Gauge
Envirosafe R12 Proseal with Leak Detector and Brass Charging hose