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.
To replace the heater core in a 1988 Toyota Celica GT, first disconnect the battery and drain the coolant. Remove the dashboard components and the center console to access the heater core housing. Disconnect the hoses from the heater core, then unbolt and remove the heater core from its housing. Install the new heater core by reversing the disassembly steps, ensuring all connections are secure before refilling the coolant and reconnecting the battery.
To replace the heater core in a 1988 Buick Park Avenue, start by disconnecting the battery and draining the coolant. Remove the dashboard and the center console to access the heater core housing. Disconnect the heater core hoses from the engine bay, then remove the heater core from its housing. Install the new heater core by reversing the disassembly steps, ensuring all connections are secure before refilling the coolant and reconnecting the battery.
To replace the heater core on a 1988 Cadillac Eldorado, first, disconnect the negative battery cable and drain the coolant. Remove the dashboard and the center console to access the heater box. Detach the heater hoses from the engine, then remove the screws securing the heater box to the vehicle. Finally, replace the old heater core with the new one, reassemble the components, and refill the coolant.
How do you replace the heater core on a jimmy?
http://www.coolcats.net/tech/troubleshooting/heatercore.html