Question about 1999 Lincoln Continental
When sitting car heats after 20 min but blows cold while driving......Help
Sounds like your thermostat may be stuck open. When the wind moves in front of your car, it chills the Radiator and drops the temperature. All the other settings for Heat, like ductwork and waterflow are in the same positions sitting as moving.
Posted on Jan 02, 2014
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Posted on Jan 02, 2017
this is caused by the main cabin temp blend door actuator motor, in order to replace it or even check it the dash must be pulled out.
Posted on Dec 15, 2008
try changing the thermostat if thats not it check and see if you have water leaking in the passenger side floor board if so then you need a new heater core
Posted on Feb 24, 2009
the computer that controls the deflector motor are not responding and opening the door for heat, I'm sure you have climate control,check the temp setting sensor to the computer input first
Posted on Nov 01, 2009
Since your blower is working and it is a heat issue,thats where we'll
start,First thing is have you checked the coolant level in the radiator when
engine is cold,make sure it is filled to top,next verify you have coolant in
reserve ,Start your van and get it up to normal operation temperature,If your
heat gauge on the dash works correctly it should be 190 degrees,Now lift the
hood and locate the two heater hoses going into the heater assembly at the fire
wall,Both hoses should be hot to hold on to,if both are hot and no heat inside
your problem will be the blend air door in heater assembly.
if neither hose is that hot you need to replace the thermostat in the engine to get it up to 195 degrees.
if one hose is hot and one is luke warm then the heater core is blocked and to blame. hope this helps you.
Posted on Jan 05, 2010
check your antifreeze level, if its low then it will cause it to blow cold. or you could have a blend-air door problem under the dash: look for a loose vacuum line behind the glove bow for this. Or you could have a bad heater core.
Posted on Dec 05, 2010
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