Question about 2002 Jeep Liberty

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Where is the heater core and hoses located on a 2002 jeep liberty?

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The heater core is located on the passengers side of the vehicle inside the air box. Dash removal is necessary to replace the heater core. You should see two rubber lines going into the firewall around the upper corner on the passengers side.

Posted on Mar 25, 2011

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Posted on Jan 02, 2017

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2 Answers

Where does the vacuum hose connect that controls the vents on a 2002 Jeep Liberty? The air only comes out at the defrost vent.


ive no idea what you did, to car.?
no idea why you started this job.?
nor what you touched. or replaces or removed.

nor what end if Vacuum harness is not connected.
or not connected correctly
my guess is you are not doing this your self
and you are just the messenger?
that It>?

no photos of problem
no history
no parts changed, or removed.
zero. inputs
the FSM book covers this.
but not as well as on my big jeep.
yours is KJ jeep

633268d2-6b3d-4121-a8d5-7aede260cc39.jpgvacuum-hose-connect-controls-vents-2002#cmnt-3342457-42iidcav35y5jytkvom0adnh-2-2_1.jpg

Mar 15, 2016 | 2002 Jeep Liberty

4 Answers

My 2002 Jeep Liberty 3.7 don't throw me heat only cold air


There is something called a blend door in the heater box. This door is what moves to change from cold air to warm air. The part is 86 dollars online. http://www.factorychryslerparts.com/products/JEEP/LIBERTY/ACTUATOR-Blend-Door-AC-and-Heater/4341513/05066519AA.html

Jan 13, 2016 | Jeep Cars & Trucks

1 Answer

The heater blows air, but it is always cold on every setting. What is going on with the heater?


Check coolant level first for being low. IF level ok, possible plugged/restricted heater core. With engine at operating temperature, check hoses under hood going into heater core. They should be close to the same temperature. If one is hot and the other warm/cold, suspect a restriction in the heater core and you will require a back flush to remove the restriction. If both hoses warm/cool, suspect a thermostat issue and the engine will not reach proper operating temp to supply adequate heat.

Jan 04, 2016 | 2002 Jeep Liberty

1 Answer

I need to locate the inlet heater hose on a 2006 Jeep GC 3.7L V6. both hoses seem to go to the same place.


Yes they do appear to go to the same place but it isn't. Water comes out of the engine from one hose and returns to the engine on the other.
Attached link shows how to flush a heater core on a jeep. It doesn't really identify which hose is which but I would guess the the smaller hose comes from the engine and larger one returns it to the engine.
Because the water from the engine is under pressure and the return is under less pressure and larger to allow full flow.
2003 Jeep Liberty 3 7L Flushing the Heater Core

The second link shows the thermostat housing that the other ends of the hoses connect to.
How To Install Replace Engine Coolant Thermostat and Housing 3 7L 2002...

Sep 15, 2014 | 2006 Jeep Grand Cherokee

1 Answer

Heater blowing cold air


If the heater hoses are hot, it may be a problem with a blend door under the dash. The blend doors direct air thru the heater core and thru the vents.

Oct 09, 2012 | 2002 Jeep Liberty

1 Answer

Where is the heater core located on a 2006 jeep liberty


The heater core is located in the heater "box" which is usually on the passenger side firewall area. Follow the heater hoses from the engine to the heater core...

Feb 13, 2011 | 2006 Jeep Liberty

2 Answers

I have a 2002 Jeep Liberty Limited, 3.7 L motor. The heater will not blow hot air. The A/C and fan work well. When I turn the temperature dial to hot, there is only cold air coming out. Can you assist me?


Jeeps are notorious for having broken temperature control (Blend Air) doors. A malfunctioning Blend Air Door actuator probably caused it to break. The dash will have to be removed to replacethe door and the door actuator.

Jan 16, 2011 | 2002 Jeep Liberty

3 Answers

Last winter I had the heater core replaced in my 2002 Liberty shortly after having a new raditor put in. Now this winter the heater core is getting clogged. I don't want to keep paying the dealer to unclog...


Core should not become obstructed that fast unless the engine has severe internal rust. You can remove the heater hoses at the engine and flush through the core (in both directions) using a garden hose. Likely though you have a problem with a blend door or actuator which unfortunately requires heater box removal (big job)
Hope you are lucky with that one and it does not need that.

Dec 10, 2009 | 2002 Jeep Liberty

2 Answers

2005 jeep liberty front passanger floorboard has water on it .


there is drain for a/c look for hose or drain on firewall pluge with leafs and dirt

Nov 02, 2009 | 2002 Jeep Liberty

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