It should work assuming the leak isn't too big. Try it you have nothing to loose.
no
Remove the water supply hoses from your 1993 Chevy Corvette heater core. Some water will drain out of the hoses and the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
Remove the heater core retaining bolts. Remove the heater core water supply hoses. The heater core will come out. You can access the heater core in your 1972 Chevrolet Corvette through the passenger side kick plate.
You can access the heater core from the passenger side kick plate in your 1964 Chevrolet Corvette. Remove the heater core water supply hoses. Remove the heater core retaining bolts. The heater core will come out.
Remove the heater core water supply hoses from your 1979 Chevy Corvette. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
how do i change the heater core in a 1990 Eddie Bauer
Remove the passenger side kick plate in your 1978 Chevy Corvette. Remove the heater core water supply hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
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Begin by removing the water supply hoses to your heater core. Remove the heater core retaining bolts. The heater core will come out. Reverse the process to install the new heater core.
The heater core is on the passanger side, located behind the bower motor housing on the firewall. If the car doesn't have AC it is not a difficult project. Remove the heater hoses from the firewall and then remove the screws that attach the cover to the firewall. The heater core rests inside.
I would say that your heater core is ok...it sounds like you have a bled door promlem in the dash.
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