you have to remove the heating unit and fan from under the dash. this is done by unbolting it from the fire wall. Be sure to bypass the heating core if you need to drive your Jeep around. Then open it up a nd pop out the core. once you replace the heating core seal up the heating unit with silcon sealant. then be sure to make it fit well when you put it back in or water can come down into the the unit from the intake. also if it isn't in tight air will blow through the cracke from the engine compartment
I also have a 2000 jeep wrangler. This year has a problem with the heater core plugging up. You can either try to flush it out, or just replace the heater core.
free diagram step by step at www.jeep4x4center.com
Replace the blower motor resistor.
The heater core is leaking. GEt a manual from DISCOUNTAUTOREPAIRMANUALS.COM and replace it.
It is never easy to replace a heater core. Replace it is easy, but getting access to it is never easy. But your Jeep Wrangler is one of the easier ones to replace. Just remove enough of the dash parts to gain access to the core. Be careful and remember where and how everything goes back together. Photos taken during the process with digital camera might help you remember.
Heater works fine in my Wrangler! Check the thermostat or the hoses or heater core might be plugged. The thermostat is easiest ^ cheapest to change so start there.
How do you replace the heater core on a jimmy?
If your talking about the plug for the block heater, it's located in front of the battery.
right up under the passenger dash there is a black plastic case take of the case the motar is in there un plug it then unscrew the 4 bolts and replace
A "heater" or a "heater core"?
The heater inlet hose on a 1999 Jeep Wrangler 4.0L is located in the left, rear of the engine compartment. It connects directly to the heater core which circulates heat throughout the cabin.