Hombre S Regular Cab 4WD V6-4.3L (1999)
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If any refrigerant line is opened to the atmosphere, cap it immediately to prevent the entrance of moisture and dirt. These can cause internal
compressor wear or plugged lines in the condenser and evaporator core and expansion (orifice) tubes or compressor inlet screens.
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Remove sealing caps from subassemblies just before making connections for final assembly. Use a small amount of clean 525 viscosity refrigerant
oil on all tube and hose joints. Use new O-ring seals dipped in 525 viscosity refrigerant oil when assembling joints. The oil will aid in assembly
and help to provide a leakproof joint. O-ring seals and seats must be in perfect condition. A burr or a piece of dirt can cause a refrigerant leak.
Using The Two Wrench Method
Proper O-ring Installation
Improper O-ring Installation
