Drain the cooling system.
Remove both heater hoses.
Remove the lower right hush panel.
Remove the lower right instrument panel and the ESC module if necessary.
Remove the lower right instrument panel-to-cowl screw.
Remove the heater case screws.
The upper left screw may be reached with a long socket extension. Carefully lift the lower right corner of the instrument panel to align the extension.
Remove the case cover.
Remove the support plate and baffle screws.
Remove the heater core and baffle plate from the housing.
To install:
Position the heater core and baffle plate into the housing.
Install the support plate and baffle screws.
Install the case cover.
Install the heater case screws.
Install the lower right instrument panel-to-cowl screw.
Install the lower right instrument panel and the ESC module if necessary.
Install the lower right hush panel.
Install both heater hoses.
Fill the cooling system and check for leaks.
Instructions with photos and diagrams at http://autozone.com/servlet/UiBroker?For鈥?/a>
How do you change the heater core in a 1988 firebird?
Do you have a haynes or chiltons manual? If not, I suggest you get one. You have to take virtually the whole passenger side of the dash apart to get to it. I've done it 3 times now...(3 different cars). It's no fun.
