To change the heater core in a 1988 Isuzu pickup, start by disconnecting the negative battery cable and draining the coolant from the radiator. Remove the dashboard or any components obstructing access to the heater core, typically located in the firewall. Disconnect the heater hoses from the core, unbolt it from its housing, and replace it with the new unit. Finally, reassemble everything, refill the coolant, and check for leaks.
Tear the dash out. It may be clogged. Try applying water pressure to the hoses coming of your firewall.
punt
To change the heater core in a 1988 Dodge Ram 150, first disconnect the battery and drain the coolant. Remove the dashboard and the heater box assembly to access the heater core. Disconnect the hoses attached to the core, remove any retaining screws, and take out the old heater core. Install the new core, reassemble the heater box and dashboard, then refill the coolant and reconnect the battery.
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To change the heater core on a 1988 Mercury Cougar, first ensure the engine is cool, then disconnect the battery. Remove the dashboard and the center console to access the heater core housing. Disconnect the hoses from the heater core, remove the mounting bolts, and take out the old core. Install the new heater core by reversing the disassembly steps, reattach the hoses, and reassemble the dashboard and console.
beside the engine
To change the heater core on a 1988 Lincoln Mark VII, start by disconnecting the negative battery terminal and draining the coolant. Remove the dashboard and any components blocking access to the heater core, such as the center console and HVAC housing. Disconnect the heater core hoses, remove the heater core from the housing, and install the new core. Reassemble everything in reverse order, refill the coolant, and check for leaks.
A "heater" or a "heater core"?
Drain the water from your 1988 Chevy cooling system. Remove the heater core water supply hoses. Remove the heater core retaining bolts. The heater core will come out.
About 27.00 for a 1988 towncar heater core at autozone.
Drain the water from your Dodge Ram truck cooling system. Remove the water lines from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
The heater core is mounted to the passenger side firewall on the 1988 Buick Electra 307. The blower motor needs to be removed to access the heater core.