1990 Buick LeSabre Q&A
1990 Buick LeSabre Question: heater
Take a look underneath your dash for any disconnected or damaged vacuum hoses. You likely have a vacuum leak that is keeping the vacuum driven motors that turn the doors inside your dash for ventilation control from working. - DaveJHM
Check the three way tee on the firewall. You will find it following the vac hose from the cruise servo check for leaks. - Visitor
what would cause the four right buttons on heater controls and the right side of the radio lights to not come on at night when the rest of the d...
when the heater controll is switched on heat, what opens the water flow to the water heater, is it manual or e...
My heater fan is not working and I need to changed the blower motor. Where is it located?
cold air blowing when heater is on
No heat comes through the unit