A "heater" or a "heater core"?
To replace the heater core of a 1985 Bronco 2, open the glove box and push on the 2 tabs that hold it in place. After removing the entire glove box, remove the round plastic screws of the heater core. Remove the old and replace with a new one.
To replace a 1988 Dakota heater core, first discharge the A/C. Then remove the lower instrument panel before removing the heater box unit.
Blocked heater core, faulty heater valve, disconnected connection to the heater valve.
change out the heater core
Drain all coolant from your system, disconnect heater core hoses from heater core in engine compartment. Remove the glove box, open plastic housing, and theres your heater core. No need to remove dash if only replacing the core.
To replace the heater core in a 1988 Chevy Celebrity, first, disconnect the negative battery terminal and drain the coolant. Remove the dashboard and the center console to access the heater core housing. Disconnect the heater core hoses from the engine compartment, then unscrew and remove the heater core from its housing. Install the new heater core, reassemble the dashboard, and refill the coolant before reconnecting the battery.
How do you replace the heater core on a jimmy?
http://www.coolcats.net/tech/troubleshooting/heatercore.html
how do u replace the heater core
The heater matrix, in a Peugeot 206, can be replaced by removing the heater core and the hoses. With the heater core removed you can replace it with a new heater core.
How do you replace a heater core in a 1998 Ford Expedition?"