Question about 1997 Lincoln Continental
The last mechanic installed a 2 speed switch to bypass the dash controls that go to heater/blower. The switch that IS installed now burnt out as my wife kept it on the low setting which caused the switch to overheat and NOT FUNCTION! I can not find a switch like this anywhere. I just want the heater to blow air, even if it starts when the car turns on. Any help?
CHECK THE BLOWER MOTOR RESISTOR ON THE EVAP BOX. MOST LIKELY IT IS BAD. AFTER YOU REPLACE IT THROW AWAY THE 2 SPEED SWITCH AND RESTORE WIRING BACK THE WAY IT SHOULD BE.
Posted on Dec 15, 2014
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Posted on Jan 02, 2017
the problem is with the blend door it controls the blend of hot and cold air. there is a small electrical motor that can go bad or they can hang up
you will probally have to take some covers off to find out whats going on
Posted on May 14, 2009
SOURCE: My 1996 Lincoln Town car
To fix the AC unit which blows hot air all the time. Seems like you have a small leak in the system or the AC compressor has gone out. Suggest you try recharging the unit. Make sure you have the correct R-22 or 134A freeon. If this work for a few days then have the leak fixed, if this doesn't work replace the compressor. Check Ebay for the compressor i obtained one for $100.00. Cost $450 at Auto Zone.
Posted on Jun 27, 2009
The idle air control (IAC) valve assembly on a combustible engine monitors and manipulates the amount of controlled air moving around the throttle plate. The IAC valve is managed by the electronic control module (ECM) of the engine, which calculates the position of the IAC valve. Voltage pulses called counts extend and retract an internal conical-tipped shaft called a pintle inside the IAC valve. When the pintle is extended, the cone-shaped tip positions itself closer to the air inlet and restricts the amount of air allowed to pass through the throttle, building up more air around the throttle plate to increase the rpms of the engine. When the pintle is retracted, it moves away from the inlet and allows more air into the throttle away from the throttle plate, decreasing the rpms. The IAC valve operates and adjusts constantly while the engine is running to help prevent the engine from stalling or surging. This will not cause the engine to misfire!! Hopefully this helps
Posted on Aug 21, 2009
The Blower Motor Resistor is a common problem in your car but not for the problem you describe. When the Heat/AC won't blow on all speeds, the blower motor resistor is at fault. When air won't blow out of vents, bi-level, or floor the problem is the blend door actuator. This is vacuum driven and diverts the air to where you select. When air will only blow from one place (usually the defrost) then the blend door actuator is the problem. This can sometimes be corrected if there's a vacuum leak (usually under the hood in front of the passenger you'll find the vacuum line and can trace it backward to find a leak). If no leak can be found, the blend door actuator itself is defective and needs replacement.
Posted on Sep 07, 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
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