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1997 lincoln mark VIII, no heat for my baby grandson!
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dylansgrandma
New User
Dec 8, 2011, 8:43 PM
Post #1 of 5
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1997 lincoln mark VIII, no heat for my baby grandson!
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we have a 1997 lincoln mark VIII and the heat isnt working, the blower works but no heat, any ideas what might be wrong?
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rebelman123456
Novice
Dec 8, 2011, 8:47 PM
Post #2 of 5
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Re: 1997 lincoln mark VIII, no heat for my baby grandson!
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could be thermostat
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dylansgrandma
New User
Dec 8, 2011, 8:50 PM
Post #3 of 5
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Re: 1997 lincoln mark VIII, no heat for my baby grandson!
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is there a way to check it and see if its bad?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 9, 2011, 12:13 AM
Post #4 of 5
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Re: 1997 lincoln mark VIII, no heat for my baby grandson!
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There's a long list of maybe reasons. Is there even a proper amount of coolant in it? Does temp gauge show a normal temp? T
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 9, 2011, 3:57 AM
Post #5 of 5
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Re: 1997 lincoln mark VIII, no heat for my baby grandson!
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With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If not too hot to hold, then you have to look at the actual engine temp and if that is up, if it is, then your looking at a restricted heater core. If you find that they are both too hot to hold, then the heat in that vehicle is controlled by a blend door that regulates heated air flow. it is operated by an electric motor/actuator. The problem can be that the actuator is stripped or inoperative or the door itself could be damaged. This is what needs to be determined by examining the actuator and see if it is responding to heat change commands or not. If they are both not too hot to hold on to, then you either have a restricted heater core or the system is not completely full and getting air pockets for some reason. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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