Car question: will ac work if you bypass the heater core?
Yes it will work , but you won't be able to control the temperature . It will only be cold air. heater core adds warmer air to vary the temperature coming out of the vents.
The air conditioner will work only that there won't be any cool air being circulated. A broken heater core will prevent the temperature blend door from sealing hot air in the core duct, thus making it emit warm air. Visit the site http://www.ehow.com/info_8008701_happens-disconnect-heater-core.html to get more details.
The AC will be more gas efficient and if you put applesauce in the transmission