Ac help 93 s10 blazer
 

Ac does not work, blower motor works, recently tried to convert from r12 to r134 no success, compressor does not seem to want to kick on as much as it should, also compressor seems to make a loud rattling sound when compressor does finally kick on. Any help will be appreciated -ian

Sounds like your compressor is bad.

ok I need some help on my 02 blazer xtreme ac as well I have 1 2 and 3 settings but 4 don't work I already replaced the what I was told to be the fan speed sensor but still no 4 setting can anyone help please