2012 jeep liberty heat not working

Jan 10, 2024 · Faulty Thermostat. A key job of the thermostat is to regulate engine operating temperature. If it fails stuck open/close, your Liberty may struggle to reach optimal temps for the heater to work well. Overheating, temperature fluctuation, poor heater output, and slow warm-ups hint at thermostat issues.

2012 jeep liberty heat not working. Oct 14, 2015 · Measure the temp at the vents, floor, and defrost. The blend door controls temp. The Mode door controls air flow direction (defrost, dash vents, and floor). No heat. Plenty of air flow. The heat coming out on the passenger side is more than 100°, but only about 80 or so on the drivers side. _________________.

13 posts · Joined 2012. #1 · Nov 3, 2012. Bought a 2002 TJ Wrangler over the summer and love it. Issue is that it is blowing warm (not hot) air from the heater. I read hundreds of posts on this and think I have done/checked everything. Coolant level is fine. Temperature is running at 210 degrees.

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.2010 Jeep Liberty - Have a problem with the heat. Start the Jeep in the morning, after it warms up, get in and cold air comes out of the vents, no heat. After work I start it up and when it's warmed u … read more4K views 4 replies 3 participants last post by LibertyTC Dec 21, 2009. 2. 242072 Discussion starter. 2 posts · Joined 2009. #1 · Dec 20, 2009. I have a 2004 Jeep Liberty. The blower motor doesn't work at all on any selection. I can feel heat rising out of the vents when driving. I have review older posts and I am leaning towards the resister.Remove the nuts (1) attaching the instrument panel to the pedal support bracket. 13. Separate the door seal as necessary to access the side covers. 14. Using a trim stick C-4755 or equivalent, remove the left side cover. 15. Remove the left side door sill trim. 16. Remove the drivers side cowl trim panel.Vehicle: 2007 (JK) Jeep Wrangler Concern: Customer states the heater is inoperative. Inspected and found the A/C-heat system will not change modes, and found it blows only cold air. It appears the climate control mode and temperature knobs are having no effect on system operation. The fan speed knob is working normally.

Jeep Liberty 2012, HVAC Heater Blend Door Actuator by TRQ®. If you need a reliable HVAC heater blend door actuator to change your non-working one, this part is the right choice. Made with quality materials, it is sure to provide years... Intended to bring your vehicle back to its original glory Budget-friendly alternative to the OEM part. $32.95. …Top 2012 Jeep Liberty Problems. Check Engine Light/Misfire Due to Intake Valve Locks/Valves. 623 people have reported this. 194. Power Window Motor May Fail Due to Regulator Assembly. 417 people have reported this. 220. The Sky Slider Sunroof May Not Open. 240 people have reported this.Steering wheel buttons not working. I tried searching, but wasn't able to find what I needed. Most of the buttons on my steering wheel have stopped working. the raidio controls on the back of the steering wheel, volume, station, etc. don't work. The button on the front left side that control the info (step, reset) don't seem to work either.Dec 21, 2016 · Things to check:Coolant levels - low levels Leaky hoses Heater core - poss... Quick run down on things to check when your car is blowing only cold air, no heat.2004 Liberty blower vent not changing. Ok so along with her trans problem the car does not blow out anything but front vents..No matter what switch you turn it to. nothing comes out of floor, defrosters only the front vents..I thought maybe it was the switch so I replaced the climate control panel and still has the same issue. This car is a mess.1: Remove drivers side knee bolster, kick panel (2 scrivets), center bezel, and radio (4 philips head screws) 2: Remove blend and mode door actuators. (4 T20 screws) 3: Remove actuator shield (3 T20 screws) 4: Remove mode door actuator linkage if it didn't fall off. 5: Remove center vent (3 philips screws) and stick hand down to reach door.

2011 Jeep Liberty AC / heater problems with 6 complaints from Liberty owners. The worst complaints are heater doesn't work, a/c leak in cabin, and a/c loses power, blows warm air.Remove the A pillar/grab handle moldings. Glovebox (can see wires and a white connector to actuator behind glovebox) You must be registered for see images attach. Center console. All trim pieces on the dash (under and in front) Radio and associated bezel (HVAC control area-one screw behind ashtray and pry out)282 posts · Joined 2019. #2 · Dec 7, 2020. Check your coolant level first. If good look at these two things: 1. Least likely: your water pump impeller is loose or broken, especially if it is the original plastic one. 2. Most likely: your heater core needs a flush or replacement. I had this exact same problem before on 30 year old Jeep XJ.No heat and loud fan noise - 2012 JK. ... I got the heat working. First I did a heater core flush. I didn't get any sand or debris out. Then did a coolant bleed running the engine and the heater on max heat and the fan on max. ... 2008 wk gc overland, jeep green, 2006 kj liberty limited diesel, atlantic blue, 2003 kj liberty renegade, bright ...Step by step instructions on how to remove a heater core. Whether you get no heat - due to a clogged heater core, or your floor mats are soaking in coolant b...No floor heat - 2012 Liberty. I am not getting any floor heat on either the driver side or passenger side floor. Heat works normally on defrost and dash settings but when turned on floor heat it will blow out of the defrost instead. I've visually confirmed the blend door motor functions (moves) and have changed the mode door actuator motor.

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Jan 17, 2024 · 1. CLR Lime Remover For Heater Core. The heat not working in a 2008 Jeep Liberty is a common issue that many owners have encountered. One solution that has been suggested is using CLR lime remover on the heater cores. CLR is a powerful cleaning agent that can effectively remove lime, rust, and calcium deposits from various surfaces.The heater may stop working in Jeep Cherokee due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. 1. Low coolant or air in the cooling system. Low coolant level or air in the cooling ...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.The most common cause for the lack of heating on your 2012 Jeep Liberty is in most cases caused by a bad Heater Core. On your Jeep, the heater core is a parallel tube design. It can be 3/4 plugged and still flow water through it. It can be nearly impossible to flush it clear.Key Points: Potential reasons for a Jeep heater blowing cold air include: Malfunctioning heater core. Faulty blower motor. Malfunctioning blend door. Indicators of a malfunctioning heater core include: Fog inside the car. Fruity or sweet-smelling odor. Fast loss of coolant or engine overheating.

Heated and ventilated seats not working. Just bought 2018 JGC in September. When we bought it none of the heated/ventilated seats were were working (including backseat and heated stealing wheel). As per agreement, the dealer fixed the problem after 2 trips to the shop. Now, only about 3 weeks later after getting it back the same thing is happening.It may use resistance wires which may have a break in them...if so try twisting the broken wires together. It may use carbon tracks which could be difficult to fix. The 2003 Jeep KJ Service Manuals describes how the heated system works, which fuses are involved etc.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. ...So my wifes 2011 Jeep Liberty started only blowing warm air, not hot like before. So I checked the coolant level and her reservoir tank was empty. The engine wasn't overheating so I added coolant to the reservoir tank. This had no change to the temp of air blowing. So, I checked the heater core hoses running through the fire wall. One was super hot, the other was hot but not as hot as the other.The most common reasons a 2012 Jeep Liberty cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. 0 %. 10 % of the time it's the. Control Module. 0 %. 10 % of the time it's the. Sensor. 0 %. 80 % of the time it's the.My heat was working great (after replacing the resistor) except for when I was at higher speeds the heat would automatically switch to defrost. After reading this post and following the diagram from Hardermods, I fixed my vacum leak for $2.73. I bought the 7/64 rubber vacum line (3 feet) from advance auto.Reasons: There are several reasons why your Jeep Liberty may have low coolant levels. Some common causes include leaks in the system, damaged or loose hoses, and a faulty radiator cap. Symptom/sign: One of the most noticeable symptoms of low coolant levels is a lack of heat coming from your heater. This is because there is not enough coolant to ...I have a 2002 Jeep Liberty Limited, it has 213,000+ miles on it. My heat has not been working for awhile now. Once the engine warms up there is a little heat initially but then it blows cold air after. I did have the radiator replaced about 3 years ago and I think that's when I started having problems with the heat.This video shows how to temporary fix no heat in footwell area. Part_1 (https://youtu.be/z0e7uz9S61E) shows how to take out the blend door actuators.

Dec 23, 2017 · Preview my answer. Post my answer. View Statistics: Past 24 Hours: 3. Past 7 Days: 8. Past 30 Days: 20. All Time: 14,851. Hi @sallad2420 , Check that the blend door actuator is operating OK or perhaps that the blend door itself is not stuck in the one position Here is a video that may be of some help - 2008–2012 Jeep Liberty.

37 posts · Joined 2014. #1 · Nov 17, 2014. Hello. My 2014 Grand Cherokee refuses to direct all of the heat to the lower floor vents when I set the climate manually to the floor (Down arrow only). No matter how many times I try I still feel a significant amount of heat coming from the side vent and the defrost.dash vents.Dec 23, 2017 · Preview my answer. Post my answer. View Statistics: Past 24 Hours: 3. Past 7 Days: 8. Past 30 Days: 20. All Time: 14,851. Hi @sallad2420 , Check that the blend door actuator is operating OK or perhaps that the blend door itself is not stuck in the one position Here is a video that may be of some help - 2008–2012 Jeep Liberty.Location. Alabama. The heat blows warm air when heat is on and not hot. While driving vehicle I would turn it all the way to the right and it blow hot air for about 2 seconds and then blow warm air and nothing else. Accelerating faster does not cause the air to blow hotter. I rev'd engine to 2000 RPM but still maintains its luke warm temp.1 post · Joined 2008. #1 · Dec 14, 2008. The blower in my wifes 06 liberty only works on 4 (or high). The other day when I drove it, it worked on 3 but nothing below that. Now only 4. Checked all the fuses. Any other ideas on what to check and why it works on one setting...but not the other? Thanks, SFM.Unplug the heated seat module connector which is located under pass front seat. Check pin E for power at key in run ,should be 12v . Check pin F for resistance to battery ground, should be near 0 ohm. If power and ground to heated seat module are all ok. Unplug the heated pads connectors.Check the condenser to see if it’s blocked by debris. If your condenser has taken damage or is clogged up, it can’t remove the heat from the refrigerant. Check to ensure that the electric fan over the condenser is engaging. If the cooling system works better on the highway (where fans aren’t needed), your Liberty may be having fan issues ...Unplug the heated seat module connector which is located under pass front seat. Check pin E for power at key in run ,should be 12v . Check pin F for resistance to battery ground, should be near 0 ohm. If power and ground to heated seat module are all ok. Unplug the heated pads connectors.Jan 29, 2023 ... In this video I go over 3 of the main reasons why you might not have heat, or just luke warm heat, in your Jeep Wrangler TJ's.Location. Alabama. The heat blows warm air when heat is on and not hot. While driving vehicle I would turn it all the way to the right and it blow hot air for about 2 seconds and then blow warm air and nothing else. Accelerating faster does not cause the air to blow hotter. I rev'd engine to 2000 RPM but still maintains its luke warm temp.Impressive lineup of Easter Jeep Safari concepts from Jeep® heading to Moab, Utah, April 1-9Seven one-of-a-kind Jeep concept vehicles take four-wh... AUBURN HILLS, Mich., March 30,...

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No heat and loud fan noise - 2012 JK. ... I got the heat working. First I did a heater core flush. I didn't get any sand or debris out. Then did a coolant bleed running the engine and the heater on max heat and the fan on max. ... 2008 wk gc overland, jeep green, 2006 kj liberty limited diesel, atlantic blue, 2003 kj liberty renegade, bright ...4. Vauxhall Corsa. The problem with the heater on the Vauxhall Corsa (as well as the Renault Clio) is often that there is no power from the heaters at all. This issue has nothing to do with cold air coming out instead of heat. This loss of power is also a common issue on the Renault Clio.2010 Jeep Liberty my heater/ac just stopped working...replaced blower motor resistor, it did nothing so then went out this morning and now it is blowing an... Skip to content. Buy. Used Cars; New Cars; Certified Cars; New ... 2012 Jeep Liberty Sport For Sale. 3 Great Deals out of 47 listings starting at $4,995. 2011 Jeep Liberty Sport For …2012 Jeep Liberty 4dr, v6 heater/defroster problem. When using heater control selection knob, when selecting windshield defrost the full windshield defroster works good, the mid dash and heat to your feet works well, good air flow and good heat both sides. Problem is when I choose heated air to your feet and defrost setting I get hot air and ...I look for those first. and if it flows, and temp same on both sides, I do, if not present its a 100% damper controlled heat car. (2 kinds there are) SOURCE: engine overheats while driving approx 20 mins -. SOURCE: 1998 jeep grand cherokee cooling problem. SOURCE: heat works on driver side, passenger side blows cold air.Ratchet. Open the rear flipper glass. You will see a black plastic shield around the edges of the defroster grid. The shield has locking tabs every couple of inches that will need to be released to reveal the wiring. Check to make sure the tabs are secured to the edge of the grid. There is a tab on each side.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 2.390 Answers. Posted on Dec 13, 2011. SOURCE: 2005 jeep liberty blows cold air through the heater. could be the thermostat if it was just stating to go bad,could also be a vacume problem not letting the door for the ac/heat close all the way for a few min.and if its really cold out like below 35,then its going to take longer to warm up,my jeep ...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 ...Asked by Hnbertsch Jan 14, 2018 at 04:36 PM about the 2012 Jeep Liberty Sport. Question type: Maintenance & Repair. I have a 2012 Jeep liberty sport that is currently. having heat issues. Right now it will only blow heat. from the defroster vents on the dash. One of the. two defrost vents will blow cool air while the other is.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 not working on 2012 jeep liberty - My 2012 jeep liberty heater is not working blows out cold air , now my husband has flushed our the coolant ... Skip to content. Buy. Used Cars; New Cars; Certified Cars ... × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites.This video explains how to operate the automatic climate controls for the 2012 Jeep Libertythe A/C-heater control in the mid-temperature position. and wait 10 seconds before turning the ignition. key to the off position. Then proceed to step 1. (1) Disconnect and isolate the negative battery. cable. (2) Disconnect the wire harness connector from the. blend door actuator by reaching through the glove.Most people agree that there’s nothing better than a home-cooked meal. Currently, Blue Apron is the most popular meal kit delivery service in the United States. Founded in 2012, Bl...Poor heat on drivers side vents 2012 Jeep Wrangler. cooler air from drivers vents. If you are wondering how to install or remove or replace a part on your c...2012 Liberty Windows & Side Mirrors. Asked by JDU Jan 30, 2015 at 11:58 AM about the 2012 Jeep Liberty. Question type: Maintenance & Repair. The electric windows and side mirrors stopped working on my 2012 Jeep Liberty (70,000 miles) at approximately the same time. I understand there's an interior fuse box and switch for both.The 2012 Jeep Liberty is powered by a 3.7-liter V6 that produces 210 hp and 235 pound-feet of torque. A four-speed automatic is the only transmission offered. Rear-wheel drive is standard and ...2003 jeep liberty heater is not working unless setting is running above 3 - Jeep 2003 Liberty question. Search Fixya. Browse Categories Answer Questions . 2003 Jeep Liberty; Jeep Liberty Car and Truck; Jeep Car and Truck; Cars & Trucks; All Recent ... Sep 25, 2012 • 2005 Jeep Liberty. 3 helpful. 1 answer. My Jeep 2003 Sport, heater …Posted on Dec 04, 2010. First while the engine is cool remove radiator cap and make sure it is full of coolant. Run the engine till temperature reaches mid way on gauge.Feel radiator and heater hoses, should be very warm to touch,if hoses are cool, thermostat might be stuck open. If hoses are hot, sit in passenger seat and turn heater controls ...two things to look at: one: the head control unit that controls the fan, heater, and AC. but, not likely the problem. the other thing that is SOOOO common on these jeeps, you say you looked at the wires. im guessing you really didn't in a sense. look on the bottom side of the fan on the passenger side. you will find the fan relay. what happens ... 2012 jeep liberty heat not working, 20. Reaction score. 5. I have a jeep liberty 2010, 3.7. I changed thermostat, flushed radiator and heater core. Put in coolant. I get heat as It wasn't putting out heat before. But now it only heats while driving on the road. It doesn't throw out heat while idling., My heater had been working great. How ever a few days ago it stopped working in settings 1-3 and only works at high (setting 4)... Forums. New posts Search forums. What's new. ... Jeep Liberty - KJ (02 to 07) KJ General Discussion . Heater switch problem ... Dec 9, 2012 Messages 2,292 Reaction score 2,464 Location Philadelphia, PA., Feb 10, 2015 · klinkenborgen Discussion starter. 2 posts · Joined 2015. #1 · Feb 10, 2015. Got a 2008 liberty. no heat. I've had this in the shop a few times. the mechanic flushed the heater core, told me that it was very clogged up. Afterwards the heat would work great for a couple of weeks, then slowly become cold again. took it back, he did the same ..., F. Faminedragon Discussion starter. 6 posts · Joined 2014. #1 · Nov 9, 2014. I have a 2003 jeep liberty, winter sneaking up on me quickly, and I have no/very little heat. I replaced the radiator last year and about 2 weeks ago I replaced the Thermostat and Coolant tank. Even after I drive 15 miles to work the heat is still blowing lukewarm ..., Step by step instructions on how to remove a heater core. Whether you get no heat - due to a clogged heater core, or your floor mats are soaking in coolant b..., 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 ..., If the above does not work it is time for a new heater core.It calls for 7.8 labor hours to R&I the heater core in a KJ,then add on top of that what ever the shop charges for a AC system evac and recharge since that is not included in the 7.8 hours but must be done since the AC lines have to be disconnected., 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 ..., 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 ..., Used 2012 Jeep Liberty pricing starts at $6,849 for the Liberty Sport SUV 4D, which had a starting MSRP of $25,770 when new. The range-topping 2012 Liberty Limited Jet Edition Sport Utility 4D ..., Step 4:You must inspect an electric motor cooling fan ,it will start with ignition key switch off, it has failed and needs to be replaced if the 2012 Jeep Liberty Limited Jet fan motor does not spin freely . The electrical system operates the fan needs to be tested,If the fan motor "freewheels" that . Start the engine and then turn the air ..., If the heater in a 2008 Jeep Liberty is not working, there are several potential solutions to consider. One possible cause for uneven heating is a dirty heater core, which can be cleaned using CLR. It is also important to perform a true coolant flush to prevent cross-contamination. Replacing the heater core is a major job that involves draining ..., Inspecting the Relay for Damage: Visually examine the cooling fan relay for any signs of damage or burn marks. A burnt or damaged relay may indicate an electrical malfunction, which requires replacement. Pay close attention to any visible abnormalities, such as melted plastic or charred spots. 5., The stop on my actuator gear broke off and over rotated the blend door to hot. When the temperature control was set cooler, it ripped all the teeth off the gear because the door was jammed past the closed position. The big problem was unsticking the blend door. I did that by removing the blend door gear., I have a 2002 Jeep Liberty Limited, it has 213,000+ miles on it. My heat has not been working for awhile now. Once the engine warms up there is a little heat initially but then it blows cold air after. I did have the radiator replaced about 3 years ago and I think that's when I started having problems with the heat., The Jeep Liberty heating system circulates hot coolant from the engine through the heater core. As the interior's heating relies on the engine's cooling system, checking the level of your coolant is the easiest place to start as a low coolant level may prevent coolant from reaching the heater core, and dirty coolant may be a sign of a clogged cooling system., The heater may stop working in Jeep Liberty due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction., 2012 Jeep Liberty AC / heater problems with 12 complaints from Liberty owners. The worst complaints are heater does not work, only blows cold air, a/c not working properly, and defroster doesn't ..., Hoping y'all can help me out with this one. I have a 2003 jeep liberty limited. 120,000 miles About 3 months ago the highest level of heat stopped working, only the first three I believe would work. Then the second level went out, last week they all went out. The only way I'm getting heat is by driving on the highway and the outside air is pushing it through the dash vents only., This article will explore the most common reasons a heater stops blowing hot air in a 2012 Jeep Liberty along with troubleshooting tips. Common Causes of Heater Failure in a 2012 Jeep Liberty. There are a handful of common issues that can cause the heater in your 2012 Jeep Liberty to stop working properly. Here are some of the most likely culprits:, Mar 1, 2019 · This past fall I noticed significant decrease in heat on the drivers side to practically nothing. Depending on outside temp I’d get either cold (outdoor temps below 25 degrees, or lukewarm during cool mild temps. Noticed coolant was reduced so I addded more. Water pump went and replaced. I’ve burped the system multiple times still nothing ..., 9 people found this helpful. No heat issue on driver's side of 2012 Jeep liberty, both hoses on the heater core inlet and outlet are hot. I discovered that the blower housing in behind the glove box has air filters known as compartment air filters. There are two of these filters in the compartment access door. My filters were extremely plugged., 6. Guys i have watched every youtube read every thing related to this 2003 liberty. It started in june radiator cracked. replaced it then last month son teyed to use heater. No heat so i work on it evey weekend i tryed flushing system with blue devil and heater core started to leak. replaced heater core still cant get heat unless i pump the 3/4 ..., Replace the battery. If the button cell battery in the key fob of Liberty is replaced incorrectly or a battery is unsuitable, it can damage the vehicle key. Only replace drained batteries with new batteries in the same voltage, size, and specification. Make sure the battery is facing in the right direction when inserting it., Wiring. The first thing that you would want to do is locate the fuse for your Liberty's radiator fan and make sure that it hasn't blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again., 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-Maintenance & Repair. 2008 Jeep Liberty ac not …, When heater on and turn switch to defrost or low circulation. when heater on and turn switch to defrost or hi low circulation only blow cold air blows warmair on cabin circulation. sprinkles08. Technician. High School or GED. 25,937 satisfied customers. Disappearing heat issue after water pump replacement. Hot., 6. Location. Back in the sticks of VA. Ok, I thought I could get by since I have heated seats, but at 16 deg. during the day, I can't deal with it much longer. When I bought the jeep used, I checked AC and heat and both worked flawless. SO I drove it for a little while when one day, the heat was lagging badly., 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 ..., 1 post · Joined 2014. #1 · Oct 6, 2014. Hello, I have very little heat in my 2006 Liberty on the low setting. More air blows on higher settings but the air is cold. I had the same problem last winter and it the small amount of heat was not warm enough to melt snow / ice on the windshield. Mechanic suggested I post to a forum for ideas because ..., 2012 Liberty Overheating. So I am pretty frustrated right about now. I purchased my 2012 Jeep Liberty brand new off the lot 3 years ago. It currently sits at 24,000 miles. I began overheating about a month ago. I noticed I wasn't holding antifreeze so I took it in the dealership. They found the leak and replaced the coolant temp. sensor., Heater core half plugged, very difficult to flush, the old style core could be reversed flushed,, you had 1 inlet and 1 outlet of a continuous tube, new cores in the Liberty are set up like a radiator, tank on top and bottom, when they plug farthest from the inlet, the fluid takes the path of least resistance, therefore only half is getting the hot coolant. found this on my daughters 2008 Liberty., The 2012 Jeep Liberty is powered by a 3.7-liter V6 that produces 210 hp and 235 pound-feet of torque. A four-speed automatic is the only transmission offered. Rear-wheel drive is standard and ...