Question about 2001 Mercury Cougar

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2001 mercury cougar heater is blowing cold already checked the switch that turns it from hot to cold and it is working. 2001 mercury cougar feels like I am running out of gas and jerks while driving?

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  • kaminskichri Oct 15, 2010

    I just had everyhing flushed out so I have good cooliant levels.

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Have you checked the coolant level? if its low on coolant it can cause numerous problems..such as the ones you described,hope this helps

Posted on Oct 12, 2010

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2 Answers

Car wont blow hot air


Does it blow any air at all?

If it does, then check the operation of the valve, situated on the side of the heater matrix.
The heater matrix is in the centre of the vehicle, under the dash. Roughly behind where most car stereos are situated.
You'll have to remove any black, plastic shrouds to get to it.
Work the hot/cold setting and check the valve for movement.
If it is a motor actuated valve and in the even the valve doesn't move, then also check power to the motor.
If you have no power to the motor, or if the cable operated valve isn't moving then check the switch mechanism or wire/wiring.

Nov 12, 2012 | 2000 Mercury Cougar

1 Answer

I have a 2001 Ford Focus DOHC. Heater doesn't blow hot. Hot cold indicator switch clicks as i9t should when I turn indicator but it doesn't seem to change anything


Feel your heater hoses and see if they are getting hot..If so when your click from the switch ,,make sure the door is switching from hot to cold

Sep 16, 2011 | 2000 Ford Focus

1 Answer

1989 cougar heater or ac wont blow air what could be the problem


Its either the fan switch is bad,,or a fuse,,or the fan motor its self is bad,I would check fuse 1st,,2nd unplug fan motor run a hotwire to it and see if it turns,,if it does than you know its the switch for the fan. If it dont turn with separate hot wire ,,than its the fan go bad.

Mar 07, 2011 | 1989 Mercury Cougar

1 Answer

Heater is blowing cold


Thermostat stuck open, heater core clogged, or heater control coolant flow valve stuck closed. With the engine at full operating temperature check the hoses at the firewall going to the heater. If one is hot and the other is cold or just barely warm, the heater core is clogged or the coolant flow valve is stuck closed. If neither is hot, you have a thermostat stuck open and need to replace it.

Jan 21, 2011 | 1992 Mercury Cougar

1 Answer

I WAS DRIVING HOME AND HAD HEATER ON, ALL OF A SUDDEN IT STARTED BLOWING COLD AIR. WHY WOULD THIS HAPPEN? THE NEXT DAY I WAS DRIVING AND THE TEMPERATURE GUAGE STARTED GONG UP....PULLED OVER BEFORE IT GOT...


Check the antifreeze level. It could be low, When the air turns cold all of the sudden there is an air pocket in the cooling system. Watch for coolant leaks and if it continues to get hot replace the thermostat.

Nov 24, 2010 | 2000 Mercury Cougar

1 Answer

How do i know if my thermostat is not working in my 1999 murcury cougar


After engine is warm be careful and feel the upper and lower coolant hose's they both should feel the same ( careful could be hot ) if only one is hot bad thermostat. Also feel the are blowing thur your radiator should feel warm to hot, if cold bad thermostat.Good luck

Dec 02, 2009 | 1999 Mercury Cougar

2 Answers

My 88 mercury cougar has no heat,


Check the vaccumn operated valve on the heater hose. Make sure when you are running the car and change the temp from hot to
cold to hot again the the valve moves

Oct 07, 2009 | 1988 Mercury Cougar

1 Answer

Heater temp on mercury '98 mountaineer only blows hot


could be the blend door motor or the door could be broken these are common

May 09, 2009 | Mercury Mountaineer Cars & Trucks

2 Answers

My 99 cougar only blows cold air the hoses are hot,


maybe your thermostat is stuck open, you may need a new thermostat.

Dec 05, 2008 | 1999 Mercury Cougar

1 Answer

No heat


if the heater hoses are hot on both sides(indicating the engine is at full temp) and you feel the heat controller in dash is working properly, 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.

Nov 15, 2008 | 2001 Mercury Grand Marquis

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