Hire some body. I recently started changing mine out and it is a bear. So far I've removed the A/C unit ( Already disconnected and not going back in), Dropped the secondary blower motor, and loosened the dash face in order to remove both A/C and Htr assembly. If there is an easier way I hope somebody will post it.
To change the heater core in a 87 ford f150 is easy. Just remove the glove box and then behind it there is 7 bolts. After you remove the 7 bolts then just remove the cover and behind it is the heater core. By far the easiest heater core I ever changed.
Remove the glove box and you'll have access to the heater core, still not easy.
heater core hoses not hot
To change the heater core on a 1977 Grand Prix, first, disconnect the battery and drain the coolant from the radiator. Remove the dashboard and the heater box cover to access the heater core, which is typically held in place by screws. Disconnect the heater hoses from the core, replace it with the new unit, and reassemble the dashboard and heater box. Finally, refill the coolant, reconnect the battery, and check for leaks.
trust me that is not a job you want to take on. take it to a mechanic. you have to pull the dash out
To change the heater core of a 1977 Nova, start by disconnecting the battery and draining the coolant from the radiator. Remove the dashboard and any necessary components to access the heater box, then detach the heater core from its housing. Install the new heater core, reassemble the heater box and dashboard, and refill the cooling system with coolant before reconnecting the battery. Finally, check for leaks and ensure the heating system functions properly.
remove glove box. remove platic cover behind glove box under hood remove both heater hoses at firewall under dash remove retaining screws on heater core remove heater core reinstall is exact opposite of removal
the heater core is located behind the dash on the passenger side of the cab. much of the dash has to be removed and shifted to get to the box that houses the heater core. the hoses that supply coolant to the heater core must be remove via the engine bay. it is somewhat of a lengthy process, but can be done with patience and time.
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change out the heater core
how to change heater core in 98 suburban
There is no short cut or fast way to do this. The dash has to come out to access the heater box and replace the core. So the steps in replacing the heater core are to disconnect the heater hoses, remove the dash, to access the heater core cover on the front of the heater case and replace the core. Reassembly is in the reverse order as disassembly. Fill the cooling system with new coolant, and burp the air form the cooling system.