If this is the original heater core it may be stuck to the firewall and you will have to pry it off. Make sure that there are no other bolt holding it!!!
there is a condenser on the heater housing it has 2 bolts holding it into the housing, just below the heater motor, they go bad, i had the same problem on a 95 rodeo.
Remove the center switch console. remove the 4 spring clips holding the square heater motor housing and remove the housing. Inside the heater motor housing Remove the two spring clips holding the heater motor in Remove wiring connections and then remove the heater motor. Install new heater motor and installation is in the reverse order of above.
The heater core is on the passanger side, located behind the bower motor housing on the firewall. If the car doesn't have AC it is not a difficult project. Remove the heater hoses from the firewall and then remove the screws that attach the cover to the firewall. The heater core rests inside.
No it sits in a housing located on the firewall
first you will have to remove your heater hoses going to your motor to the firewall take them off at the firewall, then there is a big box on your firewall, there is a bunch of screws holding it on remove them you heater core will be inside it.
When engine is cold of course, drain your coolant, Disconnect the negative battery cable, remove the heater hoses at firewall, disconnect the operating cables from the heater vent housing under dash, and disconnect the defroster duct. Now under the hood again, disconnect the wire from the blower motor, and remove the nuts that hold the heater housing to the firewall. Then under dash, remove the heater housing by tilting it downwards to clear the defroster duct, and back towards passenger seat. Remove the housing cover from the firewall side of the housing and remove the heater core. Clean the housing and install new heater core and assemble in the reverse of dis-assembly. Don't forget to put coolant back in after it is back together!
The heater core is contained in the plastic/fiberglass housing assembly fastened to the engine side of the firewall. Unplug the wires from the fan motor on the firewall and remove the Phillips screws fastening the plastic housing to the firewall. Remove the heater hoses from the core inlet and outlet and tuck them out of the way. You may have to reposition some brake lines and cut a couple of wiring harness plastic ties. You may also have to remove the lines from the fuel pump to the carburetor if they interfere. You may need to temporarily remove the rocker arm cover. Pull the plastic housing away from the firewall and you will see the heater core inside the housing.
"Does the top or bottom heater hose from the firewall go to the water pump on a 1991 Dodge Dakota V6?" The top heater hose from the firewall goes to the water pump and the bottom hose from the firewall goes to the top of the block where the temperature thermostat housing is located.
The heatercore is located on the passenger side under the dash. It is located on the left side of the blower fan. Remove the heater core housing which consists of 5-6 screws. Disconnect the two radiator lines under the hood that run into the firewall. There should only be one bracket holding the heater core in the housing. Remove and replace the heater core in the opposite order. Have a good one.
Really long bolts go through the heater core/blower motor housing into the cab. You have to go through the dash and undo the nuts and the housing will come off the front of the firewall in the engine bay. Once the housing's removed, it has a cover/bracket that has to be unscrewed around the perimeter of the housing to release the heater core.
The heater core can only be accessed by removing the dash and HVAC housing.
Remove the passenger side fender and wheel well. Remove the blower motor wire. Remove the heater hoses. remove the nuts holding the heater box to the firewall. Remove the heater box from the firewall take out the heater core revese this process to replace all removed parts.