...be hot. If they are, you don't need to change out the core. One of your vacuum actuated doors is the problem, the blend door that lets air from the blower motor pass over and around the heater
i would suggest disconnecting both heater hoses and backflush heater core with decent amount of pressure. if this improves condition but does not solve completely, heater core replacement is necessary
...change temperature to reduce cold or to get heat Temp is controlled by an electric motor(or could be vacuum hose) on the blender door of heater housing. If you find this is operating correctly, then ...
...heater core got the air pockets taken care of checked the flapper switches, all the controls work. checked relay switches still no heat CHECK SEE IF HEATER BLOWER MOTOR WORKING, REMOVE HEATER BLOWER ...
change the heater core in my 1984 grand marquis? I dont have a manual you have to remove the plenum case behind the dash. I will provide 94 gr marquis. don't have 84. ---------------------------------
...change my own heater core.I have dash torn apart and can,t see daylight at end of tunnel.Where can I find out how to remove core.I've been out of work for 5 months or I would pay someone. wher do you ...
...heater core. You can route around your heater core. There should be two rubber hoses going into the fire wall at the same place. Detach them and route them into each other and thi will stop the ...
Question about Mercury Grand Marquis
...heater core hoses and I can hear the doors inside the car move when I change from AC to heat. It seems to be moving the coolant through the system I can see the fluid flow through the overflow tank. ...
...heater core hoses are hot. I added coolant and simultaniously squeezed top hose to purge air. I had heat for 5 minutes this morning then none all day. I very rarely ever have heat Once in a great ...
...heater core but still no heat, what could be the problem vacuum line not closing the flapper door or the heater control valve may be bad check the hoses and see if both are hot where they enter and ...
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