Question about 2001 Mercury Villager

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Heat blows cold when car is idling

2001 Mercury Villager - Heat blows fine when driving but when stopped and idling it blows cool. I already had a new water pump, thermostat, and timing belt put in and radiator flushed. Still blows cold when idling.

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  • thegoodlife Feb 25, 2009

    Thanks for your help on this - you were right my mechanic said there were a couple of loose hose clamps and he tightened them and then got rid of air pocket as you mentioned. Heat works great now even when idling. :-)

  • Anonymous Mar 17, 2014

    Car overheats blows out cold air when heater is on. After car cools and turn back on car is fine on temp.

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  • 783 Answers

You have an air pocket in the cooling system. To bled it out you will have to park vehicle on an incline or jack up the front end untill the radiator cap is higher than the heater core. The remove radiator cap and run engine until warm then hold rpm to about 1200 rpm's and top off coolant level until you have no more bubbles.

Posted on Feb 02, 2009

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Heater blows cold air at idel


you have air trapped in the cooling system.
have shop do flush with evac/fill equipment. Guaranteed>

join our group read tech files, ask questions

http://groups.yahoo.com/group/villagerquest/

Nov 16, 2010 | 2001 Mercury Villager

1 Answer

Overheating and airconditioner stopped blowing cold air at same time


HI!!

When your vehicle overheats, the computer shuts off the A/C compressor to protect the engine by reducing the extra load.

Have the cooling system serviced, once fixed, the A/C should work fine.

Don't forget to rate this post. Good Luck!!!

Jul 07, 2010 | 1995 Mercury Villager

1 Answer

Same queston re mercury villager and heat stopping at red light


you have air trapped in your cooling system. you need to burp the air or go to a shop that has evacuate & fill equipment to **** all the air out. It is hard to do.

Should cost about $60 to have someone flush & fill. Call around ask about evac & fill equipment.

go here for more help
http://groups.yahoo.com/group/villagerquest/

Feb 22, 2010 | 1995 Mercury Villager

2 Answers

I have a 2001 mercury villager that overheats. I replaced the fan assembly and the thermostat. The radiator is fine. What else could be causing the van to overheat?


You have air trapped in the system. If you have cold air, warm air, cold air from your heater, then it's air entrapment. Very common these days. Go to a shop that uses vacuum method to refill cooling system & that will purge air.
Otherwise, you can try. Park uphill. cold engine - fill radiator to top with 50/50 mix of antifreeze. leave cap on but loose. fill reservior to 3/4 full. Turn heater to hot to allow coolant to flow through heater core. start engine, run at 1500 rpms until thermostat opens and upper hose is hot. tighten cap and let it cool down. after cool check level of reservoir. fill to top line on reservoir. it should **** coolant back into radiator as it cools down.
repeat if still an issue.

go to yahoo group for villager quest & join owner group for much more help. 2500 members.

Dec 07, 2009 | 2002 Mercury Villager

1 Answer

Heat doesn't always blow hot


sound like you are low on anti-freeze, when engine seed increases the coolant will flow

Mar 29, 2009 | 1999 Mercury Villager

1 Answer

No heat in 97 mercury villager


your heater core may be getting blocked up, or the thermostat may be stuck open at times. you have a few options here, option 1 and 2 cost about the same, option 1: have the thermostat replaced just so you know its working properly, a 97 will most likely not have a telltale way of knowing if the thermostat is bad or going bad. option 2. have the cooling system flushed at a shop. this will try to clear out and debris in the cooling system that may be blocking passages or the heater core. option 3 is the most expensive. have the heater core replaced, the heater core is what provides heat to the hvac system in the dash. a few other things to check would be vacuum lines/actuator/temperature door on your hvac system.

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1.maybe your thermostat is no opening or closing.
2. not enough Ant-Freeze
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With more details on the engine i may be able to help you more. for example what is the temp reading after it idles awhile or does it blow warmewr when driving ?

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I had the same problem with the heater only working when accellerating. Found the overflow tank pick up tube was kinked. This of course made my coolant level low. So when the cars hot the coolant would push into the overflow, but when the car cooled the kink would prevent it from flowing back to the radiator.

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