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Remove heater core-99 dodge durango - 1999 Dodge Durango

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That is quite a labour intensive job..i know when i worked for a dodge dealership we charge out 10 hours and it would take every bit of that...please keep in mind, that's with air tools too and everythin available to you...maybe this one is best left with the experts...

Posted on Nov 14, 2009


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Posted on Jan 02, 2017


SOURCE: Location of heater core

It is under the dash in the middle of everything. You have to fully tear down the dash. allow at least 8 hours and also get a camera and take a lot of pictures. You can put parts in zip-lock bags and lable as you go.

You can get great info on

Posted on Sep 19, 2008

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SOURCE: 1999 dodge durango heater core

it's about 350.00-500.00 pain in the @#$#whole dash must come out are smelling something comin from your vents

Posted on Nov 19, 2008

  • 11 Answers

SOURCE: heater core

Well the bad news is, you have to completely remove the dash to get the heater box out, or just to open it...

Posted on Mar 17, 2009

  • 323 Answers

SOURCE: 1999 dodge durango heater core

It's a big job. Drain the coolant down, recover the freon in the ac system and disconnect the lines and heater hoses. Lower the steering column, remove the instrument panel assembly, remove the heater housing. Split the case halves on the housing and there you are. Usually around 500 to 700 dollars at a dealership.

Posted on May 29, 2009

  • 6674 Answers

SOURCE: My heater in my 99 dodge durango does not heat

This is provided you have confirmed that a plugged or partially plugged heater core is your problem, and not a vacuum problem, or heater control valve or similar is not defective. Yes it certainly sounds like some blockage/restriction there, but may I advise you to try this first, as it may save a lot of money, time, & aggravation. Go to Rona, Home depot, or similar hardware store & buy a drill pump. (about $25.00 in Canada) but there are cheaper ones around.
Remove your heater hoses at the firewall (when engine cold) and you will see the 2 copper ends of your heater core to attach drill pump to. Put one end of the pump (pressure side) on one fitting, of the core and the other hose from pump suction side, into a jug of CLR (calcium ,lime, rust, remover.) The other connection/fitting from your heater core will need a piece of hose going from it, into a pail, or another jug, same size as CLR to retrieve liquid when it flows through. Circulate the CLR through the core a few times, then let it sit in the core for a while. Then reverse the hoses at the core & circulate it through the other way a few times & let it sit in there as well. I let mine fill the core, then I plugged line where CLR would flow out of heater core & then let it sit all night in there to dissolve as much calcium etc., inside as it could. Then next day, I ran pump in both directions/fittings, again to flush everything out. Then I re-attached my heater hoses. My heat increased at least 75% at idle, because it had removed a lot of the restriction in the core.
Make sure you take all safety precautions, such as eye protection in case CLR splashes in your eyes, and make sure engine is cool, pressure is relieved via removal of rad cap & to avoid burn from hot coolant when hoses removed. My guess is that your into $20-$25 tops, and a whole lot less work. Let me know how it goes.

Posted on Oct 05, 2009

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1 Answer

Replace dodge durango heater core

You have to remove the dash from the vehicle and then remove the heat/ air box to change the heater core.

Nov 02, 2014 | Dodge Durango Cars & Trucks

1 Answer

I have a 99 durango i have replaced heater core water pump thermostat and all hoses still barley any heat just warm vehicle comes up to normal temp does not over heat but still no heat please help

Are the heater core hoses getting hot? That could be a blockage in the intake manifold or engine block. Is the blend door sticking? That would be one item that would make for lukewarm air if the hoses feel nice and hot when up to operating temperature.

Jan 23, 2011 | 1999 Dodge Durango

1 Answer

How to remove an reinstall a heater core in 1998 dodge durango

If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Dec 18, 2010 | 1998 Dodge Durango

3 Answers

Heater core leak hoe do I fix

You will have to remove console, and all the venting and cover to heater core. Then go underneath the vehicle and disconnect both coolant hoses. Then remove heater core. You can go to and register for full free online repair manual for your durango with everything you could need.

Dec 09, 2009 | 2000 Dodge Durango

2 Answers

Can i still drive my 99 dodge durango with a bad heater core?

well if the heater core is leaking then your coolant is leaking as well, heater cores leak on the inside of your car so your car will get water damage and will smell like antifreeze, so i wouldnt drive it

Sep 28, 2009 | 1999 Dodge Durango

1 Answer

Where is the PCM located on a 99 dodge durango?

The PCM is located on the fender well in the back of the engine compartment close to the firewall. It is a gray rectangle about 7" x 5". It is ribbed. It attaches using three screws.

It is also located close to heater core parts of your truck. If your overheating problem is related to the heater core, it may in fact be causing the PCM to everheat, though I've never heard of it happening before.

Aug 24, 2009 | 1999 Dodge Durango

1 Answer

1999 dodge durango heater core

It's a big job. Drain the coolant down, recover the freon in the ac system and disconnect the lines and heater hoses. Lower the steering column, remove the instrument panel assembly, remove the heater housing. Split the case halves on the housing and there you are. Usually around 500 to 700 dollars at a dealership.

May 29, 2009 | 1999 Dodge Durango

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