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Its a tough job. You have to remove the dash panel, including the steering wheel and steering column and then remove the plenum box which involve evacuating the refrigerant system and draining the radiator. Once you get the heater box out, replacing the heater core will take about 10min and then you have to put it all back together and recharge the AC and fill the radiator.

If you are seeing leak problems with the system, you will have to go through this process. If the problem is lack of heat and/or AC control, the problem is more likely the blend door. This is a common fail on the Cherokee. You can get diagnostic information and an inexpensive fix on the HeaterTreater web site. Follow my user name to my Bio Page for a pointer or just search heatertreater on any search engine. ford4me

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15y ago
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15y ago

The dash panel has to be removed along with the steering wheel and steering column to access the plenum box. The plenum box then has to be removed to get to the heater core. This requires evacuating the AC system, draining the radiator, disconnecting all lines and removing the box. Replacing the heater core is simple when you get to this point.

If the problem is lack of heat(not a physical leak), the problem is more likely with the blend doors on the Explorer. This is a very common fail mode. HeaterTreater has a line of products to address the issue at a low cost. Follow my user name to my Bio Page for more information. ford4me

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11y ago

Its a tough job. You have to remove the dash panel, including the steering wheel and steering column and then remove the plenum box which involve evacuating the refrigerant system and draining the radiator. Once you get the heater box out, replacing the heater core will take about 10min and then you have to put it all back together and recharge the AC and fill the radiator.

If you are seeing leak problems with the system, you will have to go through this process. If the problem is lack of heat and/or AC control, the problem is more likely the blend door. This is a common fail on the Cherokee.

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14y ago

Changing the heater core requires complete removal of the dash panel and plenum box. To do this you have to remove the steering wheel, steering column, evacuate and recharge the refrigerant system and drain the radiator. I would only consider changing the heater core if it is physically leaking into the passenger compartment. If the problem is heat transfer to the HVAC system only, the problem is more likely with the blend doors. Check heatertreater.net for pictures and diagnostic information.

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8y ago

Hey Russ==Get a manual on your car from AUTOBOOKSONLINE.COM and it will tell you how. It isn't hard but time consuming. GoodluckJoe

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8y ago

This is a big job.. Get a manual on your car from DISCOUNTAUTOREPAIRMANUALS.COM .

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19y ago

The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.

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9y ago

You will need to remove the water lines from your 1995 Dodge Dakota truck heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.

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12y ago

Take it to a repair shop

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Q: How do you replace the heater core on a 2000 Mercury Mountaineer?
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