Question about Chrysler Concorde

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How do I get the heater core out of my 95 Chysler Concorde 3.3 motor?

We have tried flushing the lines out, replacing the thermostat

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  • 166 Answers

That job is best left to an experienced mechanic. Basically, drop the steering column, then disassemble the dash enough that it can be moved back away from the firewall far enough to gain access to the heater/AC box. Removing the RH seat also helps.

If you opt to do this, it's highly recommended to also replace the AC evaporator at the same time.

Before tackling a major job like this, I'd recommend trying to seal it chemically by adding a jar of "Bar's Leaks" to the cooling system. Follow the directions on the container. This works more often than not.

Posted on Dec 10, 2014

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  • 36 Answers

Getting to a heater core can be a challenge. Best route is to go into local chain automotive store, and ask them to print you out a diagram, which will also give u a better look at what your dealing with

Posted on Dec 01, 2014

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Posted on Jan 02, 2017

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SOURCE: heater blowing cold air

squeeze the hoses to get any air bubbles out and refill coolant as necesary. are you sure you put thermostat in the right way? may be backwards. also may be your sensor.

Posted on Jan 04, 2009

emissionwiz
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SOURCE: 1997 F150 heater problem

your problem is caused by the air temperature control blend door actuator motor being defective, the little motor moves the door that gives either hot air or cold air or a blend of the 2.

Posted on Feb 21, 2009

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SOURCE: i have a 1998 ford f-150 and no heat. i have

You just might have an air lock. Try bleeding the system from the heater hose at the firewall. Losen one hose a little, and at operating temp. open slightly to let air out. You will lose some coolant, but just refill the rad. Now, both hoses should get hot.

Posted on Jan 01, 2010

wracefans24
  • 1985 Answers

SOURCE: 1996 jeep grand cherokee blower works but no heat

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 12, 2010

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bobiii84
  • 65 Answers

SOURCE: Have no heat. Have replaced heater core,

I don't know your vehicle, but does it have a blower door tucked in where the heater core is? If it DOES and that's broken then it could be the whole problem. It would mean it isn't switching from the A/C side of things to the heat side of them. Hope this helps, good luck! Also, just looked up the proper name for what I'm talking about, it's called a "blend door" and I think your car has one. It's what I would check, again, good luck!

Posted on Jan 20, 2010

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1 Answer

1999 chrysler concorde. Heater blows only warm air. Replaced water pump thermostat and had radiator flushed. What is the problem


This is most likely being caused by a defective air temperature control blend door and or actuator. This part moves back and forth deep inside the HVAC ducting to divert air across the Heater core or the AC Evaporator core, when they fail or stick they can create this issue.

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Heater circuit of coolant system could be blocked by a trapped air bubble or a blockage in the heater core. Try having the heater core back flushed. Any good auto shop should be able to do this for you if you don't know how. To remove the trapped air bubble put a coolant flush valve in the heater core line that returns the flow to the water pump inlet. Connect a washing machine water hose to it then warm the car up, turn the heater temp control knob up to the max then open the flush valve on the heater return line to allow the air to be vented out--close the valve when the coolant flows out.(use caution he water blowing out of the hose will be hot. point it safely away into a bucket to catch the coolant) Check the thermostat for proper operation while you are at it so you know it is good. Put it in water on the stove and bring the water up to the thermostat set temp to see if it opens.

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Everything seems to work??? still no heat?


dirty heater coil, clean it out so the hot air will travel thru

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check to see if there is plenty of antifreeze in radiator , may have a air bubble in system .

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No heat,front or rear, only one hot line to each heater core.


You may have got a defective thermostat if its sticking 2 lines would be hot and the other two cold

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Cannot get the heater to work


CHECK SEE IF HEATER BLOWER MOTOR WORKING, REMOVE HEATER BLOWER MOTOR HOT WIRE HEATER BLOWER MOTOR SEE IF BLOWER MOTOR WORKING BLOWER MOTOR FAULTY OR YOU HAVE FAULTY WIRING AT BLOWER MOTOR AND RESISTOR.

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1 Answer

Why won't the heat work in the Lebaron


Had this problem in mine! The heater core ended up being the solution. It had coated up with a white residue insulating the heat from being exchanged in the vehicle. Mechanic said core would have to be replaced as flush would not work!

Here is what did work. I disconnected the heate core lines on the firewall, connected two new lines for flushing purposes. I filled the core through the lines with a funnel with CLR or the equivalent brand. That is the Calcium, Lime, Rust remover you get at any hardware store. I hooked up a drill with a fluid pump on it and circulated the solution periodically while letting it sit overnight.

The next day I flushed the core several times with a garden hose into a pail in my garage (as it was this December), in both directions.

Hooked the lines back up (added some foam 3/4 inch pipe wrap insulation while I was there) and nearly burnt my hand when I first tested it. Saved myself $1000 heater core replacement that I was quoted. It takes 9 hours to replace the heater core so I had nothing to lose!

Very cozy this winter in my 95 LeBaron!

Feb 08, 2011 | 1995 Chrysler LeBaron

3 Answers

99 jeep cherokee problem w/ heat I replaced the blower motor, water pump,radiator, thermostat and flushed the coolent system. Still getting little heat. I'm thinking heater core or head gasket... Is there...


It sounds like the heater coil needs flushing out or replacing or the heater valve. Look on the engine firewall and make sure the heater valve is opening. If not open it manually and check the heat level. If that produced heat check the condition of the heater vale cable (or vaccum hose).

Jan 05, 2010 | 1999 Jeep Cherokee 4WD

1 Answer

1999 pontiac sunfire over heats vents blowing cold air


Take the inlet & outlet hose off of the lines feeding your heater coil, where it come off the motor. Do you have good pressure on your water supply to your house????? If Yes. Flush the water thru the heater hose backwards from the diterction that the water normly flows from your car motor. Alot ot the time your heater core will just be plugged up and need to be backflushed. Also make sure that you do not have trash/ leaves in your heater box?????
You can also later on after flushing the H-core out, you can flush your motor, radiator & heater coil by dropping everything out and add water plus 1-can of old style Comett. This is very abrassive!!!! Run the motor for about 1-hour. Then drop all of it out. Put just water back into the system and run again about 10-minutes.Do this flushing about 3-times. You will see how clean your radiator will be, plus the cooler your motor will run.

Feb 03, 2009 | 1999 Pontiac Sunfire

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