Heat not working in 2012 jeep liberty

Activating the blower to these vents by re-connecting this hose

SOURCE: 2003 Jeep Liberty heater fan problem It is the blower motor resistor. Look under the passanger side dash and locate the fan housing (looks round and black in color. Then locate the resistor it will be in that housing usually withtwo ten millimeter nuts or two simple screws holding it in. unplug the harness to the resistor and remove the resistor.2012 Jeep Liberty. The most common reasons a 2012 Jeep Liberty windshield wipers aren't working are broken wiper motor and issues with the switch. 0 %. 75 % of the time it's the. Wiper Motor.This 2004 Jeep Liberty came in with the performance complaint of little to no heat out of the heater.A while back, we developed our own solution to this. ...Southeastern Ohio. Detroit said: Well something new today. My 02 liberty has very little heat. At idle it's not warm enough to keep you warm. Give it gas and you get nice hot heat on the passenger side and better heat on drivers side. Well it's 8 degrees right now and while moving the outside air is so cold that I get hardly any heat while ...That's because low coolant levels mean there will not be enough (or any) coolant in the heater core and, thus, nothing hot enough for the blower motor to push into the cabin. Luckily it is a quick and easy check. If your engine's coolant overflow bottle is low, or empty, you can refill to the designated level with the required antifreeze.Heater core leak The wife's 1996 ZJ suffered the same fate as @BlueOffroader. We took the dash out and replaced the heater core early this spring, 2021. Our coolant leak symptoms were strange. We had 'waterfall noise' frequently from the heater for years and wet carpet (but no antifreeze) to confuse things (rain leak).1. Remove the back cover of the Heater Control. 2. Trace (what I call) the #2 terminal to the selector control (middle knob) zone. (#2 is the second skinny terminal from the end) 3. Observe the contact zone as you rotate the selector knob over the "floor" position (or any position you want to block the automatic A/C).

Activating the blower to these vents by re-connecting this hoseThe 2013 Jeep Wrangler has 4 problems reported for heat not working properly. Average repair cost is $250 at 50,450 miles.2012 Liberty No Heat. I flushed the heater core and got a lot of junk out of it, and it was working okay but water pump started leaking and lost most of the coolant. I had the water pump and thermostat replaced and refilled with coolant using a Lisle funnel. Still no heat and neither heater hose is hot after driving 30 miles on highway.Heater not working on 2012 jeep liberty 6 Answers. My 2012 jeep liberty heater is not working blows out cold air , now my husband has flushed our the coolant and the heaterd worked for one day. Now second day the heater is not working. What can be... 2012 Jeep Liberty Latitude 4WD-08 Jeep Liberty heat... 08 Jeep Liberty heat doesn't get hot. Also will go cooler for a couple seconds then get warmer but not hot. New thermostat, new heater core and apprently water pump is working as temp is normal. Posted by miketbodo on Dec 20, 2015.The most common reasons a 2007 Jeep Liberty radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. 0 % 45% of the time it's theJan 13, 2018 · 3 posts · Joined 2013. #1 · Jan 13, 2018. Hi. I've got a 2012 Liberty; 100k miles; currently I'm not getting any heat on the driver's side floor vent. Passenger side works fine. I've got heat out of the front & side vents just not the floor vent. Obviously it's not the thermostat. Will probably need to take it to Jeep dealer.

If you need any support while there, feel free to call directly at 877-426-5337. Kate. Jeep Cares. To start a conversation, click our username then select the 'start a conversation' button and send us your make, model year, and mileage for us to review. Staffed M-F 7:30am-5:30pm EST by the Stellantis Social Engagement Team.2 posts · Joined 2012. #1 · Jul 11, 2012. I have a 2004 Jeep Liberty, 3.7L 4WD, about 75000 miles on it. I got it brand new, and since 2005 I've been towing an 18 foot speedboat behind it. However, last year it started giving me problems. It started to overheat about 15-20 minutes into towing and sometimes wouldn't start after being turned off.Heater not working on 2012 jeep liberty 6 Answers. My 2012 jeep liberty heater is not working blows out cold air , now my husband has flushed our the coolant and the heaterd worked for one day. Now second day the heater is not working. What can be...2012 Jeep Liberty overview. Jeep Liberty reliability ratings. Common 2012 Jeep Liberty problems. Jeep Liberty Maintenance Schedule. Find 2012 Jeep Liberty recalls. 2012 Jeep Liberty owner reviews. Diagnostic OBD-II codes. Dashboard warning lights.Jul 9, 2019 · Working upwards towards the center inspect the electrical connector and wire harness to the actuator for any loose, broken or damaged wires. If no problems are found, remove the actuator and turn the door pin by hand. The air flow should now change output zones. If yes, replace the actuator.I checked all the fuses again and I ended up missing one that was blown. Just some info for everyone else, there are two fuses that control the lights on the dash and the climate control. The one that was blown was also connected to the tailights. May 29, 2008. #3.

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1.4k. Posted: Nov 20, 2023. Options. Hi @matt29530. Seems like there's a problem with either the blend door actuator, the blend door or perhaps the actuator control circuit. Here's some information that may help. Jeep Liberty 2011 Blend Door Operation. 2011 Jeep Liberty HVAC actuator diagnosis.If you own a Heat N Glo fireplace or heating system, you know how important it is to keep it in good working condition. However, like any other appliance, issues can arise from tim...Dec 9, 2019 · Here are some of the most common reasons that your Liberty would run hot: 1. Low Engine Coolant. The very first place that you would want to check if your Liberty is running hot is going to be the engine coolant. It’s highly likely that the coolant level is low, and it’s the easiest thing to check, so start there.Working upwards towards the center inspect the electrical connector and wire harness to the actuator for any loose, broken or damaged wires. If no problems are found, remove the actuator and turn the door pin by hand. The air flow should now change output zones. If yes, replace the actuator.2010 jeep liberty heat not working. I have replaced the blend door actuator, coolant level is good, and hoses to and from heater core are hot when vehicle is running and try to run heat. When changing the temperature dial from cold, the AC works, to hot it only blows warm air at best but nowhere near hot.The most common causes for AC not cooling properly in Jeep Liberty are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door ...

Nov 10, 2019 · The thermostat in your Jeep Liberty’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure can only happen ...Mongo53. Check your coolant level, under the pressure cap on the radiator, not the level on the overflow bottle. And of course, you never open the radiator when the engine is hot, wait till it is cool, you can be scalded opening a hot radiator. If your low on coolant it will stop circulating in the heater core before the engine starts ...15 min video on how to get the dash out to access your heater coreOnce it is loose, unscrew it slowly. If coolant starts cooling out, tighten it back up. Also, check you vacuum hoses coming out of the fire wall near the heater hoses. I broke one and I had heat coming out everywhere but where I wanted it. It does sound like a blend door issue, but I haven't had that problem yet.Took it to dealer and they claimed the AC/Heater Actuator Plate needed replacing. Paid over $200 for replacement and heater is still just blowing cold air. They, now, say the heater core may be partially blocked. I paid them to flush coolant, but still heater is blowing less than 50% warm air as it originally did.Step 1. Begin the diagnosis by inspecting the system for obvious signs of damage. Look for broken parts, split hoses, and leaks. Obstructions and leaks are common issues that cause low heat delivery to the cabin of your Jeep. Repair or replace any broken or damaged parts. Step 2.Nov 4, 2017 ... Comments109 · 2008 Dodge Nitro heater core no heat · 2012 jeep liberty No Heat problem, diagnostic · 2011 Jeep Liberty HVAC actuator diagnosis,...The most common reasons a 2012 Jeep Liberty has a coolant leak are loose hose connections, a broken radiator, or a failed water pump. 0 %. 50 % of the time it's the. Hoses. 0 %. 25 % of the time it's the. Radiator. 0 %. 25 % of the time it's the.The 2012 jeep liberty may experience various radio problems, including display failure, poor sound quality, Bluetooth connection issues, frequent resets, inoperable cd players, and limited reception. These issues can be frustrating and impact the overall driving experience, reducing the enjoyment of music, hands-free calling, and radio broadcasts.AC/HEATER blower not working on top 2 speeds. I have a 2001 Jeep Wrangler that the 2 highest speeds are not working on the AC/HEATER Blower fan. Everything works fine on the 2 lower speeds in all settings. I checked all fuses and they OK both under the hood and under the dash. I replaced the "Blower Sensor" (even though the old one was ok, the ...1.4k. Posted: Nov 20, 2023. Options. Hi @matt29530. Seems like there's a problem with either the blend door actuator, the blend door or perhaps the actuator control circuit. Here's some information that may help. Jeep Liberty 2011 Blend Door Operation. 2011 Jeep Liberty HVAC actuator diagnosis.

The most common reasons a 2012 Jeep Liberty has a coolant leak are loose hose connections, a broken radiator, or a failed water pump. 0 %. 50 % of the time it's the. Hoses. 0 %. 25 % of the time it's the. Radiator. 0 %. 25 % of the time it's the.

DESCRIPTION. The heating-A/C system uses a reversible, 12-volt direct current (DC) servo motor which mechanically positions the mode-air door. The mode door actuator (1) is located on the driver side of the HVAC housing. The mode door actuator is interchangeable with the actuators for the blend-air door and the recirculation-air door.Get ratings and reviews for the top 11 gutter companies in Liberty, MO. Helping you find the best gutter companies for the job. Expert Advice On Improving Your Home All Projects Fe...2734 posts · Joined 2009. #2 · Dec 3, 2009. Sounds like a bad water pump to me. The heater core bypasses the thermostat - if the motor is hot and coolant is flowing, the heater core should be hot. If you can't get heat from it and you're overheating, either the pump has stripped its impeller and you don't have coolant flowing through the ...If still no LED, the remove the connector again, follow: Fuse 20, 10A powers both driver and passenger heated seat controls. On the driver side connector for the seat switch, look at the harness connector pin 3, White/Pink wire, should be battery voltage (12-13.6V) to ground with key in RUN position.Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...cjvervaet said: Hey everyone. I'm helping my friend out and he has a 2012 Jeep Liberty Sport. So the vehicle is not blowing any heat out of the vents. Here's a little background on what we've done so far. - We confirmed that the heater core is healthy and coolant is flowing properly. We had it flushed and checked out last winter.If the heater core is getting hot but you don't get any hot air coming out to warm the cabin, then the problem is the air flow path, not coolant. If you can change the mode to use either fresh air or recirculated air, see what that does. try all the settings, you may find a clue to what's wrong with the air path that way.

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A break or a short or a loose connection. The heated seat system will automatically turn off if an open or short in the heating element circuit is detected. Check under the seat and make sure the connection is secure. The front seat bottom should have a resistance of between 10.2 and 12.24 ohms. The seat back 8.82 to 10.78 ohms.46662 posts · Joined 2012. #2 · Mar 21, 2017. Check your coolant level, both in the recovery bottle and Radiator. Only remove the Radiator cap when it is cold. ^^^Start with this. If OK., Then you either have a cooling system that needs flushing, or your heater control has failed. Some of the earlier 3.6 engines, had a lot of crap in the ...You need #3, the blend door actuator/gear on the driver's side. The drivers side blend door controls how much air goes through the heater core to pick up heat for the driver. There is another independent blend door on the passenger side, another #3 as they are the same part number. There are three number 3s on that diagram.I have a 2009 Jeep Liberty Limited and have had intermittent problems with the AC and Heater since purchasing it. The dealer said they replaced the AC "heads" twice, what ever that is, and now a year and a half later the air comes on when ever it so chooses. Sometimes right away. Sometimes two hours.Next time it happens, try moving your temperature door back and forth from cold to hot a couple of times and see if it re-corrects itself. Also disconnecting the battery and reconnecting it can help stuck actuators sometimes. Not sure if that's the issue you're having, but it could be. 9.Sep 30, 2018 · Automatic transmission. 36,278 miles. The heat quit working on the drivers side of our 2012 Jeep Wrangler Sport in November 2015. We contacted Lake Norman Chrysler Jeep, Charlotte, NC, where we ...My heater will not blow on the feet. Heat only comes out from top vents. 2012 Jeep Liberty. Asked by otis09 in Milford, MA on . November 25, 2015. ... 2012 Jeep Liberty Estimates. Drive Axle Assembly Leak Inspection ($44 - $56) in Santa Barbara, CA. Wheel Lug Stud Replacement ($72 - $89) in Arlington, TX. Air Conditioning Refrigerant …A technician will diagnose your 2010 Jeep Liberty heater using the symptoms you report as a starting point. Because your 2010 Jeep Liberty heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a combination of these systems.294 posts · Joined 2010. #1 · Oct 29, 2013. My 2011 Laredo X (dual climate) is not putting out warm air when set to heat on the passenger side. Regardless of whether each side is "synced," the passenger side puts out cold air whether on "HOT" or any lesser setting. The driver side puts out warm air, though.fireman_343. 24 posts · Joined 2008. #11 · Oct 29, 2013. Dealer said it was the heater core that's plugged up... $1100 to fix, but the damn core is only. $135. I think I'll try a flush first and if that doesn't work, I'll attempt the fix it myself due to the fact that it's going to be so much for them to pull the dash.Anyway, the heater blew warm air on the both passenger side floor and defrost vents, and cool/cold air on the driver's side vents. I had the temp gauges set at the same, but warm on one side, cool on the other. Granted, I only ran it for a few minutes. Got to work and tried it while idling in the lot, same thing.10534 posts · Joined 2012. #2 · Feb 16, 2018. You're probably going to have a real difficult time wiring in those heated seat switches, especially if there's no existing harness w/connectors for them. Have you checked to see if the power seat connectors are even the same for your old seats vs the newer ones? ….

The most common causes for AC blowing hot air in Jeep Liberty are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ...2012 jeep liberty heater. When heated air is selected to the foot well position only, more air comes out of the defrost than the floor. This occurs on my 2012 Liberty and my grandson's 2011 Liberty. The dealer says that it is working correctly. The manual says a small amount of air should come out of the defrost, not most of the air.S. smooth9883. 148 posts · Joined 2010. #5 · Nov 18, 2012. I've actually found that the heated and vented seats in the jeep are junk. You can barely feel the heat with your bare hand and you definitely can not feel the air for the vented seats. The steering wheel heater on the other hand is extremely good. U.2 posts · Joined 2015. #1 · Dec 23, 2015. I have a 2003 Liberty 3.7L that recently started overheating. Initially I noticed that the interior heat was not blowing as warm air as it used to. The top radiator (return) hose was getting hot and the lower hose (feed to engine) was barely warm so I was thinking thermostat.2136 posts · Joined 2010. #10 · Jan 26, 2013. If the air was lukewarm at all the vents, then it's entirely possible that the heater core away the problem. If, as you said, it was only the drivers side, then replacing the core didn't do a thing and the issue will likely return. There is one heater core.8309 posts · Joined 2009. #2 · Oct 28, 2015. Welcome to the garage. If heat will not blow onto floor, but it does on the windshield, than the blend door actuator is not the problem, but than it should be the mode door. If indeed the problem is no heat at all, windshield nor floor, than a good change that the problem is the actuator gear.Mar 6, 2015 · My 2012 Jeep Liberty doesnt blow warm air. I have taken it to 2 different mechanics. The first one changed the thermostat. The next fix was replacing the head gasket and radiator. That still didnt fix the problem. I have flushed the system about 5 times. After each flush, the heater starts working immediatly, and works for about 2-3 weeks and ...That’s because low coolant levels mean there will not be enough (or any) coolant in the heater core and, thus, nothing hot enough for the blower motor to push into the cabin. Luckily it is a quick and easy check. If your engine’s coolant overflow bottle is low, or empty, you can refill to the designated level with the required antifreeze. Heat not working in 2012 jeep liberty, 1. AC Blowing No Air at All. Usually the culprit. If your Jeep Liberty has no air moving through the climate system at all, that's a lot easier to diagnose than the air that is blowing not being cool enough. When there's no air flowing through the vehicle's cabin, a bad blower motor usually causes this scenario., The fuse in the power controle module seems to be fine. Without pulling out the lighting harness that runs over the top of the grill I checked the harness for faults. I just don't understand why one works and the other does not. The steering stem switch still works (for the one foglight anyway) and the dash indicator comes on., Actuators and heater cores seem to be common problem areas. In my experience, flushing out the heater core is a temporary fix. If the women don't find you handsome, they should at least find you handy. Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6. Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac., Didn't know it could do that. I'm going to check both front seats to see if I get an identical ohm readings on the element and see if the control modules on each seat have the same indicators. I was so sure I had the right diagnosis, I replaced the seat control module ($200 CDN) but to no avail. I may have to get it diagnosed by a pro. cheers., 2011 Jeep Liberty Heat blows cold 9 Answers. We just flushed the heater core. Not much crud came out. The thermostat appears to work on the dashboard. No radiator leaks or sweet smell. We opened the radiator cap and revved the engine trying ..., In this video we diagnosed what was wrong with the heater in the JeepMusic: You & MeMusician: @iksonmusicMusic: Do ItMusician: @iksonmusicMusic: Free Driving..., 3 posts · Joined 2022. #1 · Nov 17, 2022. Hello, everyone our heater in a 2012 Jeep Wrangler Sport is blowing cold to luke warm air. I checked the coolant, it is fine. The blower responds to all settings going from low to high. And blow the same on both sides. The cooling/heating actuator seems to be working., If you need any support while there, feel free to call directly at 877-426-5337. Kate. Jeep Cares. To start a conversation, click our username then select the 'start a conversation' button and send us your make, model year, and mileage for us to review. Staffed M-F 7:30am-5:30pm EST by the Stellantis Social Engagement Team., Hi all, this is my first post. I've used this forum for fixing a lot of little problems, now it's my turn to give back to the community :laugh2: . I was working on my girlfriend's parent's 2002 Libby and came up with the fault codes P0031 P0051 P0135 P0155 for both pre-cat oxygen sensor heater circuit malfunction/low voltage., Apr 17, 2023 · A bad thermostat is the most common cause of a heater only working when driving. 1. Low Coolant Level. It’s easy to verify your Liberty’s coolant level by checking the overflow container. Always start with the easiest thing to check. Low coolant can cause your Jeep Liberty’s heater not to work. To check the coolant level, locate the ..., Between the motor and the door is a little gear box. It allows for more sensitivity when adjusting temperature but it's a total b to remove. You have to remove both blend doors, then you have to undo the retainer for the harness that rides in the bottom rail. Before doing any of this it's a good idea to unhood the battery and hold the two ..., Heat soak is common with some hi mileage later 4.0 sixes but not sure if Mopar has a similar V-6 kit to fix this. The main reason for the inline six's is because its not a cross flow engine. The exhaust manifold is right under the fuel line, throttle body and near the injectors. Mildly surprised your V6 seems to suffer from heat soak symptoms., The most common causes for AC fan blower motor not working in Jeep Liberty are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1., 8309 posts · Joined 2009. #2 · Oct 28, 2015. Welcome to the garage. If heat will not blow onto floor, but it does on the windshield, than the blend door actuator is not the problem, but than it should be the mode door. If indeed the problem is no heat at all, windshield nor floor, than a good change that the problem is the actuator gear., Our vehicles are integral to our daily lives, and a properly functioning air conditioner is vital for both comfort and safety on the road. In the case of the 2006 Jeep Liberty, several factors can be responsible for A/C problems, including refrigerant leaks, a faulty compressor, a clogged condenser, or issues with the blower motor., Popular Answer. This is likely the result of a failed mode door or mode door actuator. The mode doors are inside the ducts, and when the actuators turn them, air is directed to the desired location. Check your fuses first, but then move on to checking if the mode door actuator is turning when you select floor. Choose among the best repair …, Jeep Liberty - KJ (02 to 07) KJ General Discussion ... I'm convinced it's a heat problem with the motor. When it's cool, the motor runs fine. If I heat it up, nothing. ... Another "radiator fan not working" thread. DeCaff2007; Dec 2, 2023; KJ General Discussion; Replies 16 Views 2K. Dec 5, 2023. DeCaff2007. D. T., Dec 23, 2023 · It's clogged. The coolant bonds with the metal. The coolant breaks down over time and the factory stop leak causes the super tight passageways within the core to clog. The clog is actually bonded with the metal in the core. Flushing is just a waste of your time. Swapping is about an hour of time to do., Jeep Liberty - KJ (02 to 07) KJ General Discussion ... I'm convinced it's a heat problem with the motor. When it's cool, the motor runs fine. If I heat it up, nothing. ... Another "radiator fan not working" thread. DeCaff2007; Dec 2, 2023; KJ General Discussion; Replies 16 Views 2K. Dec 5, 2023. DeCaff2007. D. T., When changing the temperature dial from cold, the AC works, to hot it only blows warm air at best but nowhere near hot. I also noticed that the blend door only rotates from about the 9 o'clock position to about 1" o'clock, so just over 90 degrees. The actuator however spins from about the 9 o'clock position all the way to the 7 o'clock position., You do NOT need to replace all 3 actuators. Just the one with the problem, if that is indeed the problem. On the drivers side: Lower = blend door. Responsible for setting the temperature of the air, mixing …, Jul 26, 2019 · 2012 Jeep Liberty overview. Jeep Liberty reliability ratings. Common 2012 Jeep Liberty problems. Jeep Liberty Maintenance Schedule. Find 2012 Jeep Liberty recalls. 2012 Jeep Liberty owner reviews. Diagnostic OBD-II codes. Dashboard warning lights., This is likely the result of a failed mode door or mode door actuator. The mode doors are inside the ducts, and when the actuators turn them, air is directed to the desired location. Check your fuses first, but then move on to checking if the mode door actuator is turning when you select floor. Choose among the best repair shops in the country ..., cjvervaet said: Hey everyone. I'm helping my friend out and he has a 2012 Jeep Liberty Sport. So the vehicle is not blowing any heat out of the vents. Here's a little background on what we've done so far. - We confirmed that the heater core is healthy and coolant is flowing properly. We had it flushed and checked out last winter., Actuator reset for 2012 liberty. Rhonda Emineth. Sep 23, 2020. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission. Sep 23, 2020. #1. R., cranbiz. 6761 posts · Joined 2015. #3 · Jan 15, 2018. I'm thinking blend door. If the heater core was clogged or partially clogged, you would get no heat or poor heat. Not great heat on one side and no heat on the other. 12 JK, 3.5" Teraflex/Franken lift, Bilstein 5100's, BFG KM3's 37x12.5/R17. 17 WK2 Trailhawk., Here are the most common ways a radiator fan can stop working: If the fan isn't running at all: Blown fuse or malfunctioning relay. Bad fan motor or wiring issue Issue with the fan control module. Issue with the coolant temperature sensor. Obstructed fan blades., There isn't a fuse for the blower motor. The TIPM (Totally Integrated Power Module), the fuse box under the hood, should provide power to the blower motor any time the key is turned to the run position. The TIPM has internal controls for many circuits. The blower motor power module controls the ground side. The speed selection is determined on ..., 80,000 MILES. Hello, I am working on the vehicle listed above it is a 3.7 liter. The issue I am having is no heat. The blower motor is working fine, the blend doors are moving, the engine temperature is at normal temperature range. I checked the inlet and outlet hoses on heater core. The inlet is very hot, the outlet is a lot cooler than inlet ..., 1 Answer. Coolant level could be low. Might need a new thermostat. If the coolant level is low you likely have other issues. Check back here if that's the case. I hope this helps.. SOURCE: I have a 2002 Jeep Liberty Limited, 3.7 L motor. YOU EITHER HAVE A PROBLEM WITH THE TEMPERTURE ACTUATOR OR LOW ON COOLANT OR A CLOGGED HEATER CORE IF YOU ..., My recirculating air button doesn't do anything. If there's a vehicle in front of my with a smelly exhaust, the button that's supposed to recirculate the air in the cabin doesn't help at all. I have the aftermarket cabin air filter installed in the vehicle. This helps with the dust/pollen, etc, but it doesn't help with the vehicles that have ..., heater blows cold air A/C stopped working heater core engine complaint electrical issue heater complaint transmission complaint paint defect Liberty recall. Maximize. The 2011 Jeep Liberty has 4 ..., 2012 Grand Cherokee heater not working. I have just purchased the Jeep and only discovered today that when I adjust the climate control to 85 f the heater continues to blow cold, no sign of warm air, I cannot work out if the climate control is faulty, but also when on aircon, the fan keeps stopping, then turns back on again for 2-3 mins, low on ...