According to the service manual... you remove the instrument panel (gauges/speedometer/tachometer) and separate the ventilation duct (not completely) and remove the the heater core (making sure of course that the coolant hoses have been removed first). There should be 2 tabs that hold it into place. Installation is reverse of removal.
About 90 dollars if you do it yourself.
take it to the dealer
I wouldn't think you could flush a heater core. you can flush a radiator. Heater core you would have to replace if it is leaking or stopped up
The heater core is located in the middle of the dash behind the center console. You have to take the console out to see the heater core.
you need to replace your heater core.
To replace the heater core on a 1995 GMC Sonoma, first, disconnect the negative battery cable and drain the cooling system. Remove the dashboard and center console to access the heater core housing. Disconnect the heater hoses from the core, unbolt the housing, and replace the old heater core with a new one. Reassemble everything in reverse order, refill the cooling system, and check for leaks.
To replace the heater core in a 1995 Buick Roadmaster Limited Edition, first, disconnect the battery and drain the coolant from the radiator. Then, remove the dashboard and the associated components to access the heater core located behind the firewall. Detach the hoses connected to the heater core, remove the mounting screws, and extract the old core. Install the new heater core by reversing the disassembly steps, reconnect the hoses, reassemble the dashboard, and refill the coolant before testing the system.
It may need a heater core.
like most cars remove the dash. very hard and time consuming
The hoses to the heater core can be disconnected under the hood. connect a water hose to the core, and try to flush the core to unclog it.
follow the 2 hoses that go into the firewall-drivers side hose should be the heater core--on the 95 T100 it is located behind the controls for the heat and air--
10000.00