Yes, on a 1990 Corsica, the dashboard typically needs to be removed to access the heater core. This process involves disconnecting various components and may require significant disassembly of the interior to reach the heater core properly. Always consult a repair manual for specific instructions and safety precautions before beginning the removal process.
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Drain the water from your 1990 Chevy Corsica cooling system. Remove the heater core water supply hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
I had to replace my block heater on my 89 Accord and the plug/location for the heater is in behind the distributor. I had to remove the distributor from the engine block and then removed the old block heater. It is an easy do it yourself job but you have to be carefull to reinstall the distributor exactly the same way it came out. .
Remove the water supply lines from your 1990 Ford E3 50 heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
comes out inside . remove glovebox and go in that way . about one hour .
You pretty much have to remove the entire heater box under the dash on the passenger side
In order to change the heater core on an 90 ls400 you have to remove the entire dash pad and cross bar to be able to remove the heater core box. This is a job for and experienced LEXUS technician www.lextechautomotivellc.com
To remove the heater core from a 1990 Oldsmobile 88, first disconnect the battery and drain the cooling system. Then, remove the dashboard and the center console to access the heater core housing. Disconnect the heater hoses from the engine compartment, unbolt the housing, and carefully pull out the heater core. Make sure to replace any seals or gaskets during reinstallation to prevent leaks.
Disconnect the battery. Drain the cooling system. Working in the passenger compartment remove the panels from under the dash and the steering column trim cover. Remove center console if you have one. Remove the heater outlet duct and glove box. Remove the heater core cover. Disconnect the heater hoses from the heater core. The hoses and clamps are in the engine compartment on the firewall. You may have to rotate the engine forward and remove fuel lines transmition dipstick tube and the plenum to gain access to these. Remove the heater core.
Inside the dash, in the hvac housing. The dash and hvac housing need removed to access.
Remove the firewall. Where the 5/8 inch hoses go into the firewall is where your heater core is located. Lots of bolts and screws.
Disconnect the negative battery cable and drain the cooling system.Disconnect the heater hoses from the heater core inlet and outlet connections in the engine compartment.Allowing residual coolant from the heater core to drain. Cap the openings.Working inside the vehicle, remove the lower instrument panel sound insulator.Remove the heater floor outlet duct screws or clips and remove the duct.Remove the heater core cover by removing the attaching screws and clips.Remove the heater core cover.Remove the heater core retainers and remove the heater core.