Check coolant level Could be a bad thermostat not allowing engine to get to normal operating temperature I own a 1996 Impala SS and I sometimes have a problem with the temperature cable. Open the glovebox,empty the contents and then depress the sides to lower it further down. Look through the opening and to the left and you will see the control cable and fulcrum. Reinsert the cable while turning the temperature control knob.
Why the heater or defroster may not work in a 1993 Chevy Caprice Classic because of the heating core is going out.
How to change a heater cord for a 93 chevolete caprice
Your heater coil is bad.
If you have only high speed on the blower motor or you are missing one or more low speeds, chances are the blower motor speed resistor is burned out.
The 1990 Chevy Caprice number 13 fuse is associated with the heater blower motors. The number 13 fuse will be in the second column, third from the top.
To replace your heater core on a 1993 caprice, you will need a screwdriver, a socket wrench, and a weather seal adhesive.
it is next to the firewall near the heater coil
Drain the water from your 1983 Chevy Caprice Classic cooling system. Remove the heater core water supply hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
The blower motor of a 95 Chevy Caprice is located in the left, rear area of the engine compartment. It acts as the fan which operates the air conditioner and heater.
Under the hood on your pass side next to your heater ac box. It has a plug on it and another connector on it like 6 small bolts to take it out. Hope this helps
the heater motor is under the glove box, pull out lower cover and remove side kick panel and and heater will be mounted with 3-4 screws becarefull when lowering blower motor, the fan cage is plastic and may break, I had this happen to me,
pay me $75. lmuller2@ivytech.edu