Go to the website Lincolnsonline.com. There is a wealth of info concerning this procedure. Moderator named Derrick answers this question and gives practical shortcuts, etc.
Disconnect batt. Drain Raidiator coolant.Remove Dashboard. Unhook both heater hoses located on firewall in engine compartment. remove airbox nuts in engine compartment. remove retaining screw for core in cabin. remove core.
Heater core is inside dash board by firewall.
no
# Disconnect the negative battery cable. # Drain the engine coolant. # Remove the instrument panel/dash assembly from the vehicle. # Remove the heater hose(s) and cap the hose(s). # Remove the attaching nuts and remove the heater unit assembly. # Remove the heater core attaching screw and remove the heater core..............
Drain the water from the cooling system. Remove the water hose from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
You do not need to completely remove the dashboard in order to change the heater core. Remove the water hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
Under dash board on passenger side.
do you need to take the dash off
The dash has to be removed to gain access to the heater box. The heater box then comes out and is split open to replace the core.
remove the bench seat behind the drivers seat. remove the service panel from the interior panel on the drivers side.
Drain the coolant, remove the glove box and base to the dash. youll find the heater core on the passanger side.
Answer replacing the heater core on a 1991 explorer is a simple job and takes around 30 minutes. disconnect the hoses from core in engine bay. remove access cover located below the dash on passenger side. remove core, replace core.