Blower motor probably took a poo, first things first, check the fuses, both in the cab, and dist. Center underhood
How do you convert the ac in a 1992 Chevy lumina
Fittings for 134 freon
it should be on the drivers side near the battery. somewhere on that side of you car.
r-134a
r 134a
Under the air filter compartment.
The low pressure switch is mounted near the ac compressor. It is a two wire switch mounted in the low side line.
Only when the AC is on.
yes
Reach down between the alternator pulley and the firewall. The service port is down there. has a blue plastic cap on it.
The heat/ac switch in that new of a car is controlled off of vaccuum. The hose on the back of the temp. control may have a hole in it not allowing the vents to switch over. An auto a/c specialist can check it out anywhere $30 to $50.
R134a