from the factory it has r12 in it,unless someone else changed it over to 134a
r134 a r134 a
Should be R134
R134 a
yes
A 1987 Chevy Blazer uses R12 refrigerant as shipped from the factory. Most have been converted to the more environmentally friendly R134a.
you have an AC leak
Should use R134A ..
It uses R134 refrigerant.
R134a
R134a
R134a
under right dash Rick