If the air conditioning pump in the 1993 Chevy Z24 blows perfectly, but won't get cold, it is possible that the Freon needs to be recharged in the air conditioning unit. This can usually be done for about $40 by the consumer.
is it possible that the vent hose are disconected?
There is something wrong with the compressor or there is no refrigerant in the system. Have it checked out. Goodluck Joe
I would be suspicious of the bulbs you're using.
AnswerReplace the blower resistor.
check you thermostat for the temp setting
your float could be stuck
sounds like you need a new head gasket
Condensor is overloading. Had the same problem last year.
it could be your thermo stat
Could be in need of a tune up.
the oil failed and made something wrong
TRY THE AIRCONDITIONING BELT