I bought this 1999 ford escort zx2 the other day. The a/c was working just fine. Now it doesn't blow through the vents, It blows through the defrost, but not cold. I can hear the compressor come on
I have changed the little box that contains the five relays. It didn't do anything. I've checked the fuses and found nothing their. What do I do now?
check the freon pressure switch in the system. this may cause the a/c to not blow cold air if your system is fully charged. Also could be the resisoster causing the blower motor to not blow.
may be vacuum operated blend doors, check to see if there is a vacuum line on the firewall or going through it to the rear of the HVAC head
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