The heater core on a 1999 Ford F250 Superduty is replaced by removing the heater hoses, disconnecting the wiring harness, and removing the retaining bolts. The cover can then be removed, the heater core unbolted, and removed from its housing.
Cut off the crimp connectors, pull the old hose off and replace with conventional heater hose and conventional hose clamps
loosen the clamp holding the hose on to a fitting and pull the hose free.
Remove the water supply hoses from your 1987 Ford E1 50 heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
Keep the car's owner's manual handy. Remove the screws or bolts that hold the heater core in place. It may be that you need to remove more parts of the car in order to get to the heater core. Disconnect the intake and outtake hoses from the heater core. Remove the heater core from the car, taking special care to keep the core upright so no coolant spills out. Place the new heater core into the car, and reconnect the hoses as they were connected to the old heater core. Screw or bolt the new heater core into the car, and replace all the other removed car parts.
Best to get the shop manual but basically: Reomove Heater hoses from engine block and drain. Remove glove box. Disconnect cables that connect to heater core. Disconnect heater core from firewall. Disconnect hoses from heater core. Pull heater core from under dash.
depends on the year. what year is it?
Follow the heater hoses from the engine, they will lead you the heater core.
the heater hoses are on the left side of the engine and will be two next to each other on the fire wall
How do you replace a heater core in a 1998 ford expedition?"
The dash must be completely removed in order to gain access to the heater box. Then the heater hoses are disconnected and the heater box is removed and opened up. That gains access to the heater core for relacement.
Up under the dash, to the middle.