A damaged heater core will cause coolant or water to leak onto the passenger floorboard.
If that water is engine coolant, the heater core is leaking.
In all likelihood because the coolant leaked out.
On the coolant overflow bottle that in on the passenger side of the engine.
The coolant temperature sensor on a 2001 Jeep Grand Cherokee is located on the T-stat. It is on the passenger side of the Jeep.
you will have coolant in your passenger front floorboard and when you turn your heater on your windshield will fog up
A coolant leak inside the vehicle is most always a failed heater core.
If it is soaked with engine coolant, you have a leaky heater core. If it is soaked with justwater, you may have a blocked ac condensation drain.
There is no such thing as Air Conditioning coolant.
take the front grill off. the petcock is on the side of the radiator, passenger side.
Wet passenger flood is caused by either a leak in the air conditioning drain line or a leak in the windshield sealant or a coolant leak coming from the heater core.
It's on the side of the Radiator, behind the grill on the passenger side.
The heater core (a small radiator for your heat) is leaking, I would suggest a new heater core as they are about as cheep to replace as they are to repair.
It sounds like you may have a bad heater coil. Next time you get a puddle, smell it... Chances are it is coolant and not water
Either the heater core is leaking or you have a leak at the windshield or the cowl. If the fluid tastes sweet it is coolant and your heater core is leaking.
A 1994 Jeep Cherokee uses green coolant.
it might be a hose but most likely its the heater core
Would that be when it is raining ? If so you need to caulk around the vent in the fire wall area. If not from rain, then the heater core is leaking, and you will be losing coolant.
I would suggest replacing the heater core only if you have a puddle of coolant on the passenger side floorboard. More likely the problem is with the blend door not directing air through the core. This is a very common failure on the GC. Check the web site at heatertreater (.net) for diagnostic procedures and a cheap, easy fix.
It strains any impurities from the coolant.
There is no drain plug but a condensation drain tube located on the passenger side firewall or just below ( rubber tube sticking out ) It may be plugged and a coat hanger or compressed air will open it. Your heater core may also be leaking if there is also coolant on the floorboard. If so it will need to be replaced.
The coolant temperature sensor on a 2001 Jeep Cherokee is located in the intake manifold. It monitors the flow and temperature of coolant through the engine.
The engine coolant block on a Jeep Cherokee has two block coolant plugs. There is one on each side, next to the freeze plugs.
The PCM is located on the firewall behind the coolant reservoir on the passenger side of the vehicle. Most notably are 3 large connectors.