HomeHow do you replace the heater core on a 1990 Buick Regal?
Wiki User
2015-07-15 19:15:39
2015-07-15 19:15:39
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.
Related Questions
Could be a bad thermostat or heater core
Isn't a heater supposed to blow warm air?
Disconnect the 1990 Regal battery. Remove the alternator belt. Unhook the wiring from the alternator then unbolt it. Remove and replace the alternator then reconnect the wiring, belt, and reconnect the battery to finish the installation.
It isn't easy. If you want, get a manual on your car from DISCOUNTAUTOREPAIRMANUALS.COM for about $9 and it will show you how.
Look at the bottom or rear of the radiator
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