chevy s/10 2002 4 cil and the a/c blow hot air i was told i need a new unit ,drier etc
well i just want to know how hard is to put it myself ? and what’re the steps thank you
If you have to ask the question then you shouldn’t attempt it.
A/C repair is not a DIY job.
You might be able to change out the parts yourself, but to evacuate and test you need a lot of equipment, notably an expensive vacuum pump.