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Jeep Liberty Heating Ventilation and A/C

84 messages,  Last post on Feb 22, 2013 at 3:53 PM

You are in the Jeep Liberty and Jeep Liberty Diesel Forum.

What is this discussion about? Jeep Liberty, Auto Repair, SUV

Messages Page 5 of 9

#34 of 84 A/C leak by zubi305

Jan 02, 2009 (7:52 am)

After reviewing some of the post on this site regarding the liberty I feel pretty lucky. I have now had my liberty for 8 years took it with 18 miles and now going on 96,000 miles. I have not had major issues with the car.
 
The major problem i have right now is that I am getting a large amount of water puddling on the front passenger seat. It is not from Rain or outside intrusion. I believe it is my A/C draining inside the car. Any advise. My front carpet is soaked.
 
I agree with many of the symptoms describes with this model. For my these problems started after the warranty period on the car. My liberty has this false contact that i could be cruising down the road specially when i break and the cabin lights flickers. Also i have experience both my rear window have fallen and do not operate anymore. I just fixed a U-bolt on the guide track an permenatly fixed them in the closed position.

#35 of 84 Re: A/C leak [zubi305] by cessnakat

Jan 04, 2009 (2:16 am)

Replying to: zubi305 (Jan 02, 2009 7:52 am)
I had the same problem with my liberty.The problem is the a/c drain as you said,the short 1/2" drain on the passenger side firewall is too short and the engine fan blows the water back and it drains down the inside of the firewall onto the passenger floor.Just get a 4" to 6" piece of heater hose and it should fit tight on the the drain and problem solved.

#36 of 84 Phantom water leak 2006 Liberty by waNugget

Jan 06, 2009 (10:32 pm)

I have just discovered a puddle of water on the driver side floor board of our '06 Jeep liberty. We have had this car for two years with no problems up to this point. Car has a sunroof, but seats are bone dry. Any thoughts? Any feedback will be appreciated.

#37 of 84 2003 Liberty Sport by jrivera51

Feb 10, 2009 (7:19 am)

I love my Jeep Liberty but it has now about 93,000 miles and starting to give all kinds of problems. The A/C works fine for a while then it stops and starts blowing hot air. It would go away if you turn it off for a while and then back on.
Also, the engine light is on and the mechanic (a good one) could not figure out why.

#38 of 84 Water out of tube on passenger side of firewall - Jeep Liberty 2005 by dasbooboo

Mar 27, 2009 (11:58 am)

2005 Jeep Liberty... I have water dripping out but not running A/C. Any idea what this is? I am novice of auto repair but believe the is the AC over flow/runoff. Again, not running AC though... any ideas will help before I head for repair shop. Thanks!

#39 of 84 2003 Jeep Liberty A/C by lj1sb

May 13, 2009 (6:31 pm)

Hi. Here is a quick rundown before I get into my issue. This is a 2003 Jeep Liberty, A/C compressor went (the clutch froze up) broke the belt, etc. had it replaced by a local service place. A/C, however, is not working. The compressor clutch does not seem to be engaging. If I throw 12v directly to the compressor, it will engage the clutch. If I throw 12v to the relay at the fuse/relay box under the hood, it will engage the clutch. I tried pulling the low-pressure sensor plug at the can by the passenger firewall, jumping wires together, nothing. Also just replaced the high-pressure sensor (on the a/c line by the compressor), still nothing. Fuses are good, relay in underhood fuse box is good. What i did notice it the blower resistor (behind the glovebox) is probably bad (position 1 & 2, blower does not come on, position 3&4 blower does come on). If the blower motor resistor is bad, will that cause the a/c compressor clutch to not not engage properly? Shouldnt the a/c still work in Positioin 3&4, since the blower is kicking on?
 
Also like to add, I had a guy I know hook it up to DRB-3 at a Jeep dealer and there are no codes to troubleshoot with.
 
Any help is appreciated. Thanks

#40 of 84 Re: 2003 Jeep Liberty A/C [lj1sb] by caribou1

May 14, 2009 (2:25 am)

Replying to: lj1sb (May 13, 2009 6:31 pm)
Hi,
When the engine is warm, running and belt is in place:
-If you set the blower to position '3', does the A/C come on?
 
With a 'warm' engine stopped and serpentine belt removed:
-Can you turn the compressor by hand if you activate the clutch with jumpers?
 
To 'break the belt' or 'freeze the clutch' could mean there was excessive effort coming from the compressor:
-Is the cabin evaporator/heat_exchanger clean? (it could be clogged). If the compressor sees liquid instead of gas it will block and the pulley will immediately throw the belt off it's normal path because the clutch won't let go until the temperature setpoint has not been achieved.
 
There should not be any engine malfunction code in case an accessory fails and the clutch is part of the compressor, it is not related to the engine.
Good luck
 
-

#41 of 84 Re: 2003 Jeep Liberty A/C [caribou1] by lj1sb

May 14, 2009 (6:08 am)

Replying to: caribou1 (May 14, 2009 2:25 am)
A/C Compressor will not come on in ANY position. Blower only comes on in Position 3&4. Does not matter if the engine is warm or not...won't come on. As mentioned, I can maniulpulate the compresor clutch to engage and a/c to come on if I throw 12v straight to the compressor or compressor relay. As mentioned, the A/C compressor was just replaced.
 
What is the cabin evaporator/heat exchanger? Where is it located? And can I do a visual inspection or test on it to determine if it is the culprit?
 
What about my other question...the blower resistor appears to be faulty as the blower only comes on in Position 3&4....will this also prevent tthe A/C from coming on, even in Position 3&4?

#42 of 84 Re: 2003 Jeep Liberty A/C [lj1sb] by caribou1

May 14, 2009 (7:42 am)

Replying to: lj1sb (May 14, 2009 6:08 am)
Can you manually turn the rotor of the compressor while you force the clutch?
 
The evaporator is the heat exchanger that cools air in the cabin. On mine it's above the passenger's feet, just behind our miniature glove box
 
If you have pollen or leaves accumulated against the evaporator, there might not be enough air flowing through to evaporate all of the A/C liquid. This could be enough to block the compressor because you can compress gas but not liquid.
 
Our A/C compressor pumps gas, then gas becomes liquid while flowing through the condenser/chiller located in front of the radiator. This liquefied gas will later evaporate when confronted to the warmer cabin temperature; at this stage ONLY gas must return to the compressor for another cycle...
 
I don't think of any relation between the resistor positions and the A/C?

#43 of 84 Re: Phantom water leak 2006 Liberty [waNugget] by fishinsteve

Jun 07, 2009 (11:35 am)

Replying to: waNugget (Jan 06, 2009 10:32 pm)
I have a 2002 liberty and had a similar problem. No sunroof. Turns out my water leak came from the drain holes at bottom of vehicle which are hidden from view were clogged. There are drain holes at bottom which allow the water coming down window track and door seals to drain out and they sometimes will clog and the water will then find its way into car thru any hole it can, usually down by foot where hood latch release is. If you pull the plastic molding by hood release off and you will see a small 1/2 inch long slit by some bolts. My mechanic stuck a clothes hanger wire in there and poked around until he found the hole at bottom and lots of water came rushing out underneath car. Problem solved. He was not sure how else to clear the clogged drain holes, just did what he could to figure it out. Hope this helps.

Messages Page 5 of 9

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