R134a
R134a
R-134
R134a
A 1987 Chevy Blazer uses R12 refrigerant as shipped from the factory. Most have been converted to the more environmentally friendly R134a.
To add oil to a new AC compressor in a 1999 Chevrolet Blazer, locate the oil fill port on the compressor, which is typically a small plug or fitting. Use the manufacturer's recommended type and amount of refrigerant oil, usually specified in the compressor's manual. It's essential to add the oil before installing the compressor to ensure proper lubrication. After filling, reassemble everything and recharge the AC system with refrigerant according to specifications.
no such thing
Could be low or over charged with refrigerant.
All vehicles 94 and newer use R-134a refrigerant, 93 and older use R-12. There is a website that has helpfull information about your vehicle ac system www.idqusa.com.
r134
r134a
in line with the ac lines there is a little screen filter in the line that filter could e clogged but the ac has to be discharged to find out. also the incorrect pressure of refrigerant can also make the ac not work properly
Check the refrigerant level first.