Why is my Jeep Grand Cherokee heater not working?
While there are a variety of reasons your Jeep Grand Cherokee heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
What makes a Jeep Grand Cherokee air conditioner work?
The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. It is entirely possible for your Grand Cherokee’s heater to work just fine even when the air conditioner is not blowing cold at all.
Why is my Jeep Grand Cherokee not blowing cold air?
One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Jeep Grand Cherokee isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening.
Why is my Jeep Wrangler not running hot?
Like the blower motor itself, the resistor is not a safety risk to other components, but it definitely makes things uncomfortable until a replacement is installed. Not having enough engine coolant (antifreeze) is something that will make your engine run hotter. Ironically, it also will prevent your vehicle from generating enough heat.
While there are a variety of reasons your Jeep Grand Cherokee heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. It is entirely possible for your Grand Cherokee’s heater to work just fine even when the air conditioner is not blowing cold at all.
Why is the air blower on my Jeep not working?
I will start the Jeep and the air blows fine, then without rhyme or reason it completely stops (there is no specific duration between work/failure). Depending on the length of the trip, it may come back on again. I replaced the blower motor resistor and I thought that fixed the problem, but unfortunately it did not.
Why is my Jeep Grand Cherokee not cool?
If your Jeep Grand Cherokee isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor.
If your Jeep® Grand Cherokee® heater only blows cold on one side all of a sudden, or seemed to just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove
Can a Jeep Grand Cherokee have hot air on both sides?
Yes, , reycled the system to relearn and still have hot air on The driver’s side and AC on the passenger side. Anyway, next step is to pay the dealer $50- $100 to reflash the climate circuit to make them pair up again.
What causes dual zone AC on Jeep Grand Cherokee?
Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things. One of the blend door actuators (motors), or the the dual zone blend door assembly could have a broken door.
How to fix a Jeep Grand Cherokee heater blend door?
Our JGCParts Heater blend door kits will fix your heater or we’ll buy it back. 2004 Jeep® Grand Cherokee®. you receive when you turn the temperature knob on the dash. If you turn the knob for hot air, they move up. If you turn the knob for cool air, they move down. them to fall down in the cold air position.
Yes, , reycled the system to relearn and still have hot air on The driver’s side and AC on the passenger side. Anyway, next step is to pay the dealer $50- $100 to reflash the climate circuit to make them pair up again.
If your Jeep® Grand Cherokee® heater only blows cold on one side all of a sudden, or seemed to just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove
How can I Fix my Jeep Grand Cherokee heater treater?
Heater Treater’s Dual Zone Blend Door fix is for Grand Cherokee Limited’s with dual zone temperature controls. You can read the fail codes on the system by following this procedure: Turn the ignition switch on and turn on the AC system. You should see a temp display for the two sides.
Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things. One of the blend door actuators (motors), or the the dual zone blend door assembly could have a broken door.
Your Jeep heater is blowing cold air and you’re not sure why. Two possibilities exist. One is a stuck thermostat. The other possibility is a bad heater core. Replacing the thermostat is fairly easy. The heater core is another story.
How long does it take to fix a jeep heater?
If you take the Jeep to a mechanic, expect to spend between four to five hundred dollars to get the heater core replaced. You can, however, decide to fix it yourself. The thermostat takes approximately one hour. For the heater core be prepared to spend at least six hours on this repair job.
What kind of heater does a Jeep Wrangler have?
Keep in mind, though, the newer the vehicle—such as JL Wranglers and JT Gladiators—the more electronics are involved in the heater system. So it may be beneficial for those with newer Jeeps to take a spin to the dealership, or trusted mechanic, for a diagnosis.
How does the heater on a Jeep Liberty work?
At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Liberty, this process has failed in one way or another.
If you take the Jeep to a mechanic, expect to spend between four to five hundred dollars to get the heater core replaced. You can, however, decide to fix it yourself. The thermostat takes approximately one hour. For the heater core be prepared to spend at least six hours on this repair job.
What does the thermostat on a Jeep Grand Cherokee do?
Never touch the radiator cap unless the vehicle is ICE COLD. The job of your Grand Cherokee’s thermostat is to regulate the temperature of the engine. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up.
Is there a problem with my Jeep Grand Cherokee?
The Grand Cherokee has a common problem with the blend doors breaking and this is most likely the problem that you are seeing. You can read the HVAC codes from the center panel without any special equipment and get a definitive diagnosis. Unfortunately, this is an expensive repair from the dealer.
What kind of heater does a 1999 Jeep Grand Cherokee use?
JGCParts Heater Dual Zone blend doors for all 1999 – 2004 Jeep® Grand Cherokee®. The easiest, cheapest way to fix and restore heat to your Jeep. 1999 – 2004 Grand Cherokee®. The sure way to fix and restore heat to your Jeep®. Make the smart choice.
Why is My Blend door on my Grand Cherokee not working?
just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove box in your A/C system’s housing, and move up and down to pass heat or cold air as you command. only option.
Why does my Jeep Grand Cherokee have no heat?
How to Fix a No Heat Problem on a Jeep Grand Cherokee. Your Jeep heater is blowing cold air and you’re not sure why. Two possibilities exist. One is a stuck thermostat. The other possibility is a bad heater core. Replacing the thermostat is fairly easy. The heater core is another story.
How much does it cost to replace a jeep heater?
Replacing the thermostat is fairly easy. The heater core is another story. If you take the Jeep to a mechanic, expect to spend between four to five hundred dollars to get the heater core replaced. You can, however, decide to fix it yourself. The thermostat takes approximately one hour.
Is the a / C heater on my 2004 GC failing?
My 2004 GC’s a/c – heater blower is failing intermittently. I will start the Jeep and the air blows fine, then without rhyme or reason it completely stops (there is no specific duration between work/failure).
What to do if your Jeep Grand Cherokee cooling fan is not working?
If the fan does not operate, continue troubleshooting. Switch the wires to the opposite terminals. If the fan still does not operate, the cooling fan motor and assembly must be replaced. If the fan does operate, the vehicle must be taken into a professional service center for testing on the PCM, which controls the cooling fan relays.
Never touch the radiator cap unless the vehicle is ICE COLD. The job of your Grand Cherokee’s thermostat is to regulate the temperature of the engine. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up.
Where is the fan on a Jeep Wrangler?
This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin. The fan is usually located behind the glove box and when it fails, you may still get cold or warm air through the vents, but it will be at a drastically lower pressure no matter what fan speed you select.
What to do if your Ford Fusion heater is not working?
When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…
Why is the heater not working on my Ford Escape?
If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure. If you look at your temperature gauge, and the engine is running hotter than normal, but there is not heat coming from the heater you may be having issues with the water pump.
What to do if your Jeep Grand Cherokee fan does not turn on?
If the fan does not turn on, the damage may not be fixable without purchasing new parts. For your safety do not grasp any wires you can not see. Do not attempt to grasp any wires that are not covered in insulation and/or electrical tape. Turn off the ignition on the vehicle and proceed with the following steps.
What to do if your Jeep Grand Cherokee AC unit overheats?
The 1999-2004 Jeep Grand Cherokee has a common failure where the blower fan wire adapter overheats and melts. Use this guide to fix and repair this connector and get your AC and Heater working again! No parts specified. Place the car in park, activate the parking brake, and leave the car running.
Where is the blower motor on a Jeep Grand Cherokee?
The blower motor is located under the dash on the passenger side of the vehicle. For easier access to the wiring push the seat back, and place your tools on the floor of the car .
How long does it take to repair a Jeep Grand Cherokee heater?
The hardest thing to do is make the first cut. This job will take between 30 – 45 minutes for most people. JGCParts Heater Dual Zone blend doors for all 1999 – 2004 Jeep® Grand Cherokee®. The easiest, cheapest way to fix and restore heat to your Jeep. 1999 – 2004 Grand Cherokee®.
What is code for Jeep Grand Cherokee heater blend door?
This method involves a little disassembly but is a great way to ensure our Jeep® Heater aluminum blend doors are the right solution for you. The code numbers will be displayed on the screen one at a time. 22 or 54 – Left temperature door is broken or 47 – motor not responding.
Our JGCParts Heater blend door kits will fix your heater or we’ll buy it back. 2004 Jeep® Grand Cherokee®. you receive when you turn the temperature knob on the dash. If you turn the knob for hot air, they move up. If you turn the knob for cool air, they move down. them to fall down in the cold air position.
How much does it cost to repair a Jeep Grand Cherokee heater?
Labor Charges! The dealerships and auto repair centers do things “by the books” and they have plenty of reason to. Lots and lots of labor when done their way. pull off the entire dash, drain out the vehicles coolant, disconnect the heater core and disassemble all of the heater box. That’s a ton of work and flag hours.
How to turn on heat in Jeep Grand Cherokee?
Check for a broken limit pin on the axle and check that you can turn it ~50 degrees of movement between the two stop points. Start the GC and turn on the AC. You should be able to manually switch between heat and AC by turning the axle with your fingers.
Which is Jeep Wrangler a / C heater door actuator?
Shop AutoZone for Jeep Wrangler A/C Heater Blend Door Actuator. Notes: Main unit. Recirculation. Notes: Main. Blend Notes: Main.
How much does it cost to replace door actuator on Jeep Wrangler?
The average cost for a Jeep Wrangler HVAC blend door actuator replacement is between $82 and $97. Labor costs are estimated between $52 and $67 while parts are priced at $30.
The 1999-2004 Jeep Grand Cherokee has a common failure where the blower fan wire adapter overheats and melts. Use this guide to fix and repair this connector and get your AC and Heater working again! No parts specified. Place the car in park, activate the parking brake, and leave the car running.
Where is the blower motor adapter on a Jeep Grand Cherokee?
The blower motor adapter is a bundle of three wires located on the left side. While the vehicle’s ignition is on, push and pull gently on the wire connection. If the blower motor turns on, you have identified the problem and following this guide will help you fix it
What does it mean when your car heater is not working?
There are two hoses coming to and from the heater core. They both should feel warm or hot to the touch with the engine on. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure.
What should I do if my Jeep Grand Cherokee is overheating?
In the Cherokee XJ you should fill the radiator with coolant and let the engine work and reach normal working temperature for at least 5-10 minutes. then, install the radiator cap in place, turn off the engine and fill the coolant bottle to the max. In the Grand Cherokee WJ there is a screw that should be open, we will publish an article soon.
JGCParts Heater Dual Zone blend doors for all 1999 – 2004 Jeep® Grand Cherokee®. The easiest, cheapest way to fix and restore heat to your Jeep. 1999 – 2004 Grand Cherokee®. The sure way to fix and restore heat to your Jeep®. Make the smart choice.
When does the heated seat work on a Jeep Grand Cherokee?
The heated seat system will only operate when the ignition switch is in the ON position, and the surface temperature at the front seat heating element sensors is below the designed temperature set points of the system. The heated seat system will not operate in ambient temperatures greater than about 41 °C (105 °F) .
Why does my Chevy Camaro heater not work?
They both should feel warm or hot to the touch with the engine on. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure.
Labor Charges! The dealerships and auto repair centers do things “by the books” and they have plenty of reason to. Lots and lots of labor when done their way. pull off the entire dash, drain out the vehicles coolant, disconnect the heater core and disassemble all of the heater box. That’s a ton of work and flag hours.
What are the codes for a broken Grand Cherokee heater?
The code numbers will be displayed on the screen one at a time. 22 or 54 – Left temperature door is broken or 47 – motor not responding. 24 or 56 – Right temperature door is broken or 48 – motor not responding. toasty warm again. can help. If you see the codes 54 and 56, you are in the right place! Our again! numbers. This will continue until the
The code numbers will be displayed on the screen one at a time. 22 or 54 – Left temperature door is broken or 47 – motor not responding. 24 or 56 – Right temperature door is broken or 48 – motor not responding. toasty warm again. can help. If you see the codes 54 and 56, you are in the right place! Our again! numbers. This will continue until the
What are the symptoms of a Grand Cherokee heater blend door?
The usual symptoms are that one side of the cabin will loose heat, followed by the other side at some point. Air Conditioning is working on cold but not hot no matter the control knobs setting. These have automatic zone control and the driver and passenger sides have individual controls. Close the glove box – Your Done! It’s really that easy!
What to do if your Jeep Grand Cherokee blend door fails?
The cheap plastic shafts can not stand the force in blend door failure. That equals a blocked heater core and loss of heat. Start the Jeep® and turn on the AC. Manually switch between heat and AC by turning the axle left and right with your fingers. If there is no change repair kit is your solution.
The usual symptoms are that one side of the cabin will loose heat, followed by the other side at some point. Air Conditioning is working on cold but not hot no matter the control knobs setting. These have automatic zone control and the driver and passenger sides have individual controls. Close the glove box – Your Done! It’s really that easy!
The cheap plastic shafts can not stand the force in blend door failure. That equals a blocked heater core and loss of heat. Start the Jeep® and turn on the AC. Manually switch between heat and AC by turning the axle left and right with your fingers. If there is no change repair kit is your solution.
Why is the heater on my Jeep Cherokee not working?
May 2, 2019. One of the most common (and inconvenient) problems with the Jeep Cherokee is when it has no heat coming from the heater. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working.
Why is the heater not working on my Buick Enclave?
Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue.
This method involves a little disassembly but is a great way to ensure our Jeep® Heater aluminum blend doors are the right solution for you. The code numbers will be displayed on the screen one at a time. 22 or 54 – Left temperature door is broken or 47 – motor not responding.
The hardest thing to do is make the first cut. This job will take between 30 – 45 minutes for most people. JGCParts Heater Dual Zone blend doors for all 1999 – 2004 Jeep® Grand Cherokee®. The easiest, cheapest way to fix and restore heat to your Jeep. 1999 – 2004 Grand Cherokee®.
How can I tell if my Jeep Grand Cherokee is overheating?
Coolant temp sensors don’t measure air temp. If there was no coolant in your engine the gauge will read cool when acualy the engine will be turning itself in to a molten pile of steel. Sounds to me like your head gasket blew out, or wore you cracked a head. There is a easy way to tell.
What to do if your Jeep has no heat?
Cause:*The heater core is leaking. Fix:*Replace the heater core. Alternative/temporary repair: Locate the 2 heater hoses going to the firewall underhood. Cut the hoses and splice them together. Hose splices are available at any auto parts store. Vehicle will have no heat, but A/C will still operate.
Are there any problems with my Jeep WJ?
Ran across a list of problems and suggested fix for the WJ while surfing the net, they might be of some use to all or some of us…. 1. Problem:*Coolant loss/have to add coolant periodically. Related symptom: Odd smell from A/C dash vents. Passenger side carpet may be wet/moist. Cause:*The heater core is leaking. Fix:*Replace the heater core.
Why is the air conditioning not working on my Jeep Grand Cherokee?
What are common reasons my Jeep Grand Cherokee has air conditioning problems? While there are a variety of reasons your Jeep Grand Cherokee air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
What are the problems with a 2003 Jeep Grand Cherokee?
Worst 2003 Jeep Grand Cherokee Problems #1: A/C & Heater Stopped Working 2003 Grand Cherokee Average Cost to Fix: $500 Average Mileage: 48,000 mi. Learn More #2: Power Window Stopped Working 2003…
What happens when the blower fails on a Chevy Equinox?
When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. This Read More When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold.
Why does my Acura heater smell like engine coolant?
A failing heater core may cause the car’s interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotte…
When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. This Read More When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold.
A failing heater core may cause the car’s interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotte…
How can I tell if my Acura heater is working or not?
You can verify this by checking the coolant level by taking a peek at the overflow reservoir. The overflow reservoir will be connected to the radiator by a tube coming from the top (usually right by the radiator cap). It should have separate lines to indicate “cool hot” and “cool cold”.
They both should feel warm or hot to the touch with the engine on. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure.
Why is my Jeep heater blowing cold air?
Your Jeep heater is blowing cold air and you’re not sure why. Two possibilities exist. One is a stuck thermostat. The other possibility is a bad heater core. Replacing the thermostat is fairly easy.
Why does my Jeep Grand Cherokee Fan quit working?
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
What happens if the heater control valve fails?
When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. Also, the valve could leak engine coolant, p…
Why does my Jeep Grand Cherokee have dual climate control?
Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things.
Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things.
What to do when your Jeep Grand Cherokee AC goes bad?
If there is any doubt, recover the refrigerant with an AC machine then evacuate and recharge the system with the correct amount of refrigerant and recheck. The suction line should be cold and the discharge line should be hot, infrared thermometers are great for checking the temperatures without getting burned.
If your Jeep Grand Cherokee isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor.
Your Jeep heater is blowing cold air and you’re not sure why. Two possibilities exist. One is a stuck thermostat. The other possibility is a bad heater core. Replacing the thermostat is fairly easy.
What should I do if my Grand Cherokee AC is not working?
Start by inspecting the condition of the cabin air filter on your Grand Cherokee. Instead of changing it directly, it is often recommended to first clean the pollen filter. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles.
Your Jeep heater is blowing cold air and you’re not sure why. Two possibilities exist. One is a stuck thermostat. The other possibility is a bad heater core. Replacing the thermostat is fairly easy. The heater core is another story.
Is there a blower resistor for the Jeep Grand Cherokee?
Shop AutoZone for Jeep Grand Cherokee Blower Motor Resistor. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only
Is there heat on the passenger side of a jeep?
Passenger side & rear were toasty warm. I have a limited with the dual zone climate control. I turned the heat on & off, switched from defrost, to blend, to floor, to mixed, hot to cold, etc. Nothing worked.
The jeep has dual controls,with both set on 85 it still blows cold air on both sides.Both heater hoses are hot. Also, what does the BCM mod do? Does this have any thing to do with my problem/ Anyone have any suggestions? I found this Jim…Maybe it will help you! Heater core maybe gone.
Passenger side & rear were toasty warm. I have a limited with the dual zone climate control. I turned the heat on & off, switched from defrost, to blend, to floor, to mixed, hot to cold, etc. Nothing worked.
Why is my Jeep Grand Cherokee not cold?
Most of the time, when your Grand Cherokee’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue.
Can a Jeep Grand Cherokee have an air conditioner?
It is entirely possible for your Grand Cherokee’s heater to work just fine even when the air conditioner is not blowing cold at all. That’s why troubleshooting the air conditioner is totally different than troubleshooting the heater.
Why does the a / C quit blowing on my 1999 Jeep Grand Cherokee?
The A/C (and heater) quit blowing on my Dad’s 1999 Jeep Grand Cherokee a while back so I took a look at it. The fresh air/recirculate blend air door seems to have broken up in the air duct causing it to suck up against the blower intake and stop all the air flow.
just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove box in your A/C system’s housing, and move up and down to pass heat or cold air as you command. only option.
Why does my Jeep have no heat on drivers side?
As suspected, the gear attached to the actuator that spins the blend door open / closed (hot / cold for drivers side only) was cracked. What was not expected, the “spindle” that is attached to the blend door was also snapped off. The gear is an easy fix, the spindle I don;t think so.