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The fan may not ramp up much if any at normal operating temperatures. The temperature needs to be higher and the A/C operating, even higher without the A/C. The ramp up and down is a slow transition. The PCM sets the fan speed at ~10% by default. When there is a cooling system fault condition, it defaults to ~75-78%.1. Too little or no coolant. The most common cause of overheating in your Liberty is a lack of coolant. Low coolant is a sign of a leak in the cooling system. It doesn’t just vanish on its own. Here are a few reasons why your coolant may be running low: Radiator Damage. Bad radiator hose. Bad radiator cap.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.RepairPal will help you figure out whether it's your Heater Blower Motor, Thermostat, Heater Blower Motor Resistor, or something else. 2007 Jeep Liberty Heater Is Not Working CloseNew member. Oct 31, 2019. #1. Hey all, The heat in my 2011 Jeep Liberty is no longer hot, it just blows cold air. The passenger side blows warm air, but probably not as hot as it used to. One shop said it would cost $1-$2k to fix, as there is apparently an issue where 'stuff' gets clogged into the - something - and it's behind the engine block.7 Answers. Posted on Sep 05, 2009. SOURCE: when i have the heater/defroster on the heater. It sounds like you have a blend air door stuck. This is in the housing of the heater a/c blower unit under the passenger side of the dash. There is a motor on the top of the housing that could possibly be stuck or on working.89 posts · Joined 2015. #1 · Nov 19, 2016. I know this is a common problem, I've been reading all the posts I can find on the subject. I have practically no heat coming from my driver side vents. It is still blowing hard, its just cold air. The passenger side is better, but still not what it was new. This is a 2015 Jk.Run the engine with open cooling cap. keep it at 2000 rpm, keep collecting pan under car fluid will come out. Watch temperature closely do not let it overheat, fluid will be coming out together with air in the system, add coolant if goes down, when heat comes refill and close the system. Jan 21, 2011.Dec 13, 2013 · 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 e-rad fan only comes on at certain conditions. OPERATION. The electric radiator cooling fan is controlled by the Powertrain Control Module (PCM) through the radiator cooling fan relay. The PCM regulates fan operation based on input from the engine coolant temperature sensor, battery temperature sensor,air.I have a 2008 Jeep Liberty with a heating problem. I will show you what I have checked and fixed to get it up and running again. This works for 2008 and newe...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.A subreddit for the Jeep Liberty/Cheerokee. From the 2002 KJ, all the way to the 2012 KK. Members Online • SpecificArcher8600 . Heat Not Working: Looking for Cheap(er) Fix ... I have a 2010 Jeep liberty. My heat went out a few years back and the price quoted is far too expensive (~$2500). The dealership technician says the heater core needs ...Jeep Liberty Overheating? Problems with the radiator fan? In this short video I am showing the location of a cooling fan fuse and relay ( 2008 | 2009 | 2010...2002 Jeep Liberty AC / heater problems with 14 complaints from Liberty owners. ... fan doesn't work on all settings, and heat not working properly. CarComplaints.com: Car ... 2012; 2011; 2010 ...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.#1 · Jan 9, 2018. 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.you have a vacuum leak most likely under the hood near the firewall on passenger side.probably one of the smaller hard plastic hoses,they tee off and go to different places.start the engine,turn heat on high,lift the hood,listen for HISSING SOUNDS.rare,but possible it could be under the dash at the controls.when you have a vacuum leak,the …Apr 17, 2012 • 2005 Jeep Liberty. 0 helpful. 1 answer. My automatic headlights stopped working on my 2009 Jeep Liberty. I can turn them on manually. ... My 2002 Jeep Liberty 3.7 don't throw me heat only cold air. Jeep Cars & Trucks; 581 views . Ask a Question. Usually answered in minutes!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.De La Paz. 440 subscribers. Subscribed. 338. 126K views 7 years ago. I have a 2008 Jeep Liberty with a heating problem. I will show you what I have checked and fixed to get it up and running...Heat rash is a common skin problem. Learn more about heat rash at HowStuffWorks. Advertisement Most people love being outside when the weather is hot. We have barbecues, go to the ...13 posts · Joined 2017. #1 · Nov 28, 2018. 2011 Jeep Wrangler Unlimited Sport. Has had insane heat until the past few months. With all the front vents open the drivers side will blow cold while the passenger side will be hot. Same on defrost where the drivers side is dead cold and the passenger side is hot. Now with the heat on I can close ...Feb 3, 2017 · Blower works but no heat 2011 jeep liberty. So out of no where my heat stopped working. The blower works on all settings and modes. When adjusting the temperature I can hear a clicking noise down near the blend door. The lines going to the heater core are hot. The temperature gauge works. My coolant levels are fine. No leaks and no coolant smell.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 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.Water leaks. Contaminated coolant. Water pump issues. Melty blower switch. Clogged or defective heating controls. Faulty blower motor or resistor. Obstructed vents. Dirty air filters. Bad casting process. Note that this list isn’t exhaustive and only covers common reasons behind your Jeep heater not working.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 ...The 2012 Jeep Liberty has 2 problems reported for heater working properly. Average failure mileage is 10,850 miles.As one of the largest property and casualty insurers in the country, Liberty Mutual offers a wide variety of auto insurance policies with discounts to help you save. By clicking "T...This video shows how to take out blend doors actuators from the drivers side. Be careful when taking the actuators assembly out, things will fall off. Tried ...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 amount of heat doesn't change regardless if I am at setting 1 or 3 but once I am driving and have RPM the heat pumps out fairly well (from any of the vents), not hot enough that I would have to turn down the heat like I have read a lot of people have to do but it will work decent enough. Any ideas and help is greatly appreciated. Thank you!Run the engine to full operating temperature. Turn the AC to full cold and direct the air through the panel vents, blower on high speed. Listen to the air flow and feel it's temperature. Should be cold (40F or so, if the ambient temperature is moderate) Turn the temperature up incrementally. You should hear a difference in sound and feel a ...Jeep Master. 5,332 Answers. The lower speeds are accomplished by running the power supply through various resistors that drop the voltage which makes the blower turn at different speeds. The lowest setting uses all the resistors to drop the voltage as much as possible to turn the blower as slow as possible. High speed uses no resistors so the ...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 ...put your blower setting on anything other than defrost. drive down the road, shift into 3rd gear and bring the rpm's up way high, without taking it out of gear, let off the gas and let the motor create wicked vacuum. if your flaps move to the position you want, you probably have a cracked vacuum pot or line.This heater core job was an ease. Removing the seats. I did not remove the steering wheel, i just lowered it and support it with bungee cords. I also too...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.1.Position the blend door actuator (1) into the vehicle. 2.Install the blend door actuator onto the right side of the HVAC air distribution housing (4). If necessary, rotate the actuator slightly to align the splines on the actuator output shaft (2) with those on the blend door drive gear (3).Aug 31, 2020 · 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.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.Buy Now!New Heater Blower Motor with Fan Cage from 1AAuto.com http://1aau.to/ia/1AHCX00211In this video, 1A Auto shows you how to repair, install, fix, chang...So in this situation my jeep only has heat on the passenger side and no heat on the driver side but I thought I would use this opportunity to explain the pos...July 26, 2023 by Lynn Carver. If your Jeep headlights are not working, it could be due to a blown fuse or a faulty headlight switch. Additionally, a damaged wiring harness or a burned-out bulb could also be the cause. Checking and replacing the fuse, testing the headlight switch, inspecting the wiring, and replacing the bulb are some ...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.35 posts · Joined 2006. #1 · Jun 21, 2010. i just bought a 99 wrangler 4cyl 5 speed, and the blower motor is not working. it does not work on any fan speed or setting. i have removed the ac control and checked the switches for any melting, and cannot see any. the plugs and connections look good. the fuse for the blower is good and i can hear ...Feb 10, 2019 ... 2003 Jeep Liberty with a "Heating and Air Conditioning" issue. Whats happening here is that there is not air coming from the vents.Ok i have replaced a water pump, tstat and hoses on a 2002 liberty. Car runs fine for about an hour then begins to heat up. Temp guage normally resides about half way, elevates to 3/4. Heard a tremendous amount of gurgling under the hood after turning the vehicle off today. Also am getting very little heat. heat only on low fans speed setting.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.Jeep Liberty - KK (08-Present) KK General Discussion . No heat/Luke warm. Thread ... Just wanted to see if anyone else had any ideas as the shop seems to be blaming it on the air distribution box not working properly. Nov 9, 2021 #4 duderz7 Full Access Member. Joined Jan 20, 2016 Messages 1,428 Reaction score 1,151 Location …SOLVED - JK Auto Climate Control Not Working. Hello everyone! I’m new to the forum, I apologize if I didn’t post this to the correct area. I need some help. My 2015 JKU has automatic climate control for the cabin where I can set the fan speed and output knobs to “auto” then select a temperature, such as 72 degrees, on the dial.When temperatures. are above 80° F (26.7° C), the driver vented seat will. turn on. To make your selection, touch the "Auto Heated. Seats" soft-key, until a check-mark appears next to the. setting, showing that the setting has been selected. Touch. the back arrow soft-key to return to the previous menu."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.Is the heat not blowing hot air in your 2012 Jeep Liberty? This guide covers common issues like low coolant, stuck heater core valve, blower motor failure, and how to diagnose and fix them.If no problems are found, remove the actuator and turn the door pin by hand. The air flow should now move to the different zones. If yes, replace the actuator. If no, then the problem lies internal of the housing. It will need to be removed from the vehicle and repaired/replaced as needed. Ask Your Own Jeep Question.Jeep Liberty - KJ (02 to 07) KJ General Discussion . Heater not working properly ... My 2000 Jeep Cherokee has a constant flow cooling system and the heater will not work if the coolant level is too low. _____ jeep grand cherokee parts Direct OE Replacement Parts . Aug 27, 2011 #16 C. carrobm New Member ......