Avalanche, sierra, silverado, c&k series, 1999-2005 refrigerant system Freon hhr refrigerant Chart pressure r12 ac 134a r134a system temperature low side refrigerant gm gauge compressor will performance stay long conversion gmc
Avalanche, Sierra, Silverado, C&K Series, 1999-2005 Refrigerant System
R12 134a r22 gm chart refrigerant optimum performance r134 rennlist porsche compressor silverado
Heavy truck freon capacity chart
A/c help ,,, less than optimum performance .
.
