SOURCE: jeep liberty 2002 air conditioning
please elaborate, does your inside fan still works? does your compressor clutch kicks in?...would you know if you have refrigerant in your system? if you can trace the hose from the compressor to the evaporator, you can see a plastic cap normally blue with a big letter "L" at the top, then it is the low side fitting, you can remove the cap and get a pin and press the pin at the center( be carefull, refrigerant might be present). if there is none, then you have a leak. u lost all of your refrigerant that is why the ac did not work. if you do have a big burst of gas as you press it, then it is not a refrigerant problem,
a lot more to be tackle as you help me diagnose your problem.
tnx
drcool
pls rate me..
SOURCE: Jeep AC blows cold air at defrost and feet but not through vents
There is a flap that directs the air. the flap is controlled by a vacuum actuator. This is located inside the venting. The actuator is connected to little vacuum hoses that attach to the temperature control switch. Either the flap is stuck, or the actuator has gone bad.
SOURCE: heater on2002 Jeep liberty wont stay warm unless its moving
Check to see if the coolant level is low.
SOURCE: 2000 eclipse gt (6 cyl). Air blows but won't get
Several possibilities.
1: The heater ductwork inside the car is plugged (usually leaves). You will need to disassemble enough of the ventilation system to clean around the heater core. Some cars you can remove the blower motor and get enough access. Use a short piece of garden hose duct taped to a vacuum cleaner hose to vacuum out as much of the ductwork as you can. If this is the issue check the screens on the air inlets- usually right in front of the windshield, for holes or other problems that would let in debris.
2: Another possibility, the flaps/louvers in the ductwork are not moving. Some have electric motors and the motors or controllers can fail, some have metal rods that move them and the rods can come unhooked.
3: The heater core could be plugged internally. Although a hot supply and
a cold return make this unlikely. Remove and clean out, or replace the
heater core.
SOURCE: I have a 2002 Jeep Grand Cherokee, 6 cyl. no reverse
if you cant rebuild then off to the tranny shop
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