Jeep Grand Cherokee Ac Turns On And Off: Troubleshooting Tips To Fix The Issue
One possible answer could be: The Jeep Grand Cherokee AC turning on and off is a common issue that many owners have faced. Understanding the functioning of the vehicle’s air conditioning system is crucial to troubleshoot and fix the problem. In our article, we will provide troubleshooting tips to regain control of your Jeep Grand Cherokee’s cooling system.
Imagine cruising down the road on a scorching summer day, the sun beating down on your Jeep Grand Cherokee, seeking refuge in the cool embrace of your AC. But then, without warning, the air conditioning turns off.
You feel a wave of discomfort wash over you, as the stifling heat begins to seep into the cabin. Frustrating, isn’t it? Well, you’re not alone.
Many Jeep Grand Cherokee owners have encountered this pesky problem of the AC turning on and off, disrupting their driving experience. Whether you’re a current owner or a potential buyer, understanding the functioning of your vehicle’s air conditioning system is crucial. In this article, we will delve into the troubleshooting tips to fix this maddening issue.
So, buckle up and get ready to regain control of your Jeep Grand Cherokee’s cooling system.
- [OEM Fit & Quality]: 100% Brand New Item. Direct Bolt-on OE Replacement A/C Condenser and Receiver Drier Assembly.
- [Vehicle Fitment]: Compatible with Dodge Durango 2011-2021 // Compatible with Jeep Grand Cherokee 2011-2021
- [Attention Note]: Includes Receiver Drier & Bracket & Transmission Oil Cooler. This aluminium ac condenser kit maximizes cooling efficiency and accelerates the heat dissipation. Please Check Fitment before ordering by using the Amazon’s Confirmed Fit Tool above or checking the Product Description below
- [Reference Number]: 3893, 3893C, CN 3893PFXC, CN3893PFXC, 7-3893, 40354, 7013893, 4770810, 940411, 55038003AE, 55038003AF, 55038003AG, CH3030242
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted ac condenser assembly. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
- Compatibility: Blower Motor for 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Dodge Grand Caravan | 2011 2012 2013 2014 2015 2016 2017 Jeep Grand Cherokee | 2008-2016 Chrysler Town and Country | 2011-2017 Dodge Durango
- Premium Performance: LCWRGS coils and spark plugs are built to achieve or exceed OE specifications, Highly conductive copper wire and high dielectric performance epoxy ensure excellent connectivity and long service life
- Part Number: 700216, 68029719AB, 68089108AA; Direct OEM design AC blower motor for easy installation and fits vehicles as 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Dodge Grand Caravan Durango Jeep Grand Cherokee Chrysler Town Country
- Enhanced Blower Motor: If your automotive air conditioning system are experiencing this problems that weak airflow from vents or unusual noises or vibrations when blower is turned on, you need to replace your ac heater blower motor Please check the “Amazon Part Finder” on top of the page and confirm the part number together to match your vehicle and make sure get the the correct blower motor
- Package Content: 1PC HVAC Heater blower motor fan; 24-Month-Warranty; If you have any issues or problems about the hvac heater blower motor please reach ou to us any time we will hep you resolve by our best
- [Specifications]: ①Compressor Type: DKS17D; ②Oil Type: PAG100; ③R-efrigerant Type: R-134a; ④Pulley Grooves: 6; ⑤Clutch Included: Yes; ⑥Oil Prefilled: 180 ml (10 ml tolerance)
- [Vehicle Fitment]: Compatible with Nissan Altima Sedan 2002-2006 V6 3.5L, Maxima Sedan 2003-2008 V6 3.5L (From 12/31/02)
- [OE Performance]: Confirm that this AC Compressor for car will fit your car by using Amazon’s garage. Please make sure to match photos with your existing a/c compressor
- [Reference Number]: 68438, 67438, 926008J008, 926008J120, 92600CA000, 92600CA020, 92600CA02A, 92600CA02B
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Air Conditioning Compressor. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
- Reference Number(s): 7013893; 55038003AG; 3893; 55038003AE; 679-00419; 7-3893; 73893; ACA84568; CH3030242
- YOUR TRUSTED DIY VIDEO SOURCE: TRQ is the leading producer of high-quality replacement parts and DIY videos to help you get the job done right. We are committed to providing the best Customer Experience for Compatibility, Quality, Durability, and Ease of Installation with the largest catalog of DIY videos available for replacement parts online. Our mission is to help you “View before you Do” and if the video is not available for this part, we are working on bringing it to you soon!
- TRUST & COMPATIBILITY: TRQ has been well established as the Premium Choice for replacement parts for over 25 years and is committed to providing the best possible shopping experience for Direct Fit Replacement Parts online. Please ensure that you confirm fitment with the Amazon Garage & “amazonconfirmedfit”. Please also read the full compatibility chart in the product description below to ensure compatibility for your vehicle.
- EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
- Additional specifications below
- [Specifications]: ①Compressor Type: HCC-RS18/RS18; ②Oil Type: PAG46; ③R-efrigerant Type: R-134A; ④Pulley Grooves: 6; ⑤Clutch Included: Yes; ⑥Oil Prefilled: 200 ml
- [Vehicle Fitment-1]: Compatible with Chrysler 300 2011 V6 3.6L; Compatible with Durango 2015 V6 3.6L; Compatible with Jeep Grand Cherokee 2015 V6 3.6L, Grand Cherokee 2016 V6 3.0L—with HCC-RS18 Compressor
- [Vehicle Fitment-2]: Compatible with Chrysler 300 2012-2013 V6 3.6L; Compatible with Dodge Challenger 2011-2014 V6 3.6L, Charger 2011-2013 V6 3.6L, Durango 2011 V6 3.6L, Durango 2012-2014 V6 3.6L (Without Rear AC); Compatible with Jeep Grand Cherokee 2011-2014 V6 3.6L—with RS18 Compressor
- [OE Replacement]: 100% brand new automotive AC Compressor and A/C Clutch kit. Please make sure to match photos with your existing a/c compressor. Confirm that this AC Compressor for car will fit your car by using Amazon’s garage. Replace# 68021637AC, 68021637AD, 68021637AE, 68021637AF, 68021637AG, 68294506AA, 68294506AB, 68294506AC, R8021637AD, RL021637AD, 98311, 97311
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Air Conditioning Compressor for car. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
- OE-comparable mounting provisions ensure drop-in precise fitment
- Lifetime Warranty
- Only the highest grade materials and components are used
- Maximum cooling efficiency
- 👍 Compatible with: for Jeep Grand Cherokee 4.0L 1999-2004, for Jeep Wrangler 4.0L 1999-2006
- 👍 Replaces for Part Number: 1521290, 1022034, 1122034, 1222034, 55116144AB, RL116144AE, RL116807AD, 638830, 4710278, 4710359, 4710397, 4710400, 77379, 78379, 2041652, 5512010, 5512230, 6512010, 7512010, 7512230, 293657NA, 2011501, 2011501AM, 2011501R, 143560C, 143560NC, 143560NEW, 2529N, 10119, 10344970, 10349341, 10349340, C662R, 0610105, TEM272387, 272387, TEM254468, DW77379, 77379, 010119
- 👍 Careful manufacturing: Air conditioning compressor adopts excellent materials and advanced technology, which greatly improves its performance and durability and prolongs its use time.
- 👍 Cautions: Before installing the air conditioning compressor, clean your car’s cooling system pipes and check that the fan and condenser are working properly so as not to affect the use of new parts.
- 👍Compressor Specifications: Oil Type: PAG 100；R-efrigerant Type: R134a；Oil Prefilled: 180±10ML; Pulley Grooves 6; Pulley Diameter (mm) 130
- [Specifications]: ①Compressor Style: 10S17E; ②Pulley Groove Quantity: 6; ③Pulley Diameter (MM): 123; ④Voltage: 12V
- [Vehicle Fitment]: Compatible with Jeep XK Series Commander 2006-2007 V6 3.7L/V8 4.7L, WK Series Grand Cherokee 2005-2007 V6 3.7L/V8 4.7L
- [Package Content]: This Kit Included: 1x Pulley With Bearing, 1x Front Plate, 1x Electromagnetic Coil. Please confirm that this AC Compressor Clutch Kit for car will fit your car by using Amazon’s garage
- [Special Note]: Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted A/C Compressor Clutch Kit. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
- [Specifications]: ①Compressor Type: RS18; ②Oil Type: PAG46; ③R-efrigerant Type: R-134A; ④Pulley Grooves: 7; ⑤Clutch Included: Yes; ⑥Oil Prefilled: 150 ml
- [Vehicle Fitment]: Compatible with Jeep Grand Cherokee 2016-2020 V6 3.6L
- [Reference Number]: 198315, 68251534AC, 68251534AD, 68251534AE
- [OE Performance]: Confirm that this AC Compressor for car will fit your car by using Amazon’s garage. Please make sure to match photos with your existing a/c compressor
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Air Conditioning Compressor for car. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
- [Specifications]: ①Compressor Style: HCC-RS18 or RS18; ②Pulley Groove Quantity: 6; ③Pulley Diameter (MM): 123; ④Voltage: 12V
- [Vehicle Fitment]: Compatible with Chrysler 300 2011-2013; Compatible with Dodge Challenger 2011-2014 V6 3.6L, Charger 2011-2013 V6 3.6L, Durango 2011/2015 V6 3.6L, Durango 2011-2014 V6 3.6L (without Rear AC); Compatible with Jeep Grand Cherokee 2016 V6 3.0L, Grand Cherokee 2011-2015 V6 3.6L
- [Package Content]: This Kit Included: 1x Pulley With Bearing, 1x Front Plate, 1x Electromagnetic Coil. Please confirm that this AC Compressor Clutch Kit for car will fit your car by using Amazon’s garage
- [Special Note]: Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted A/C Compressor Clutch Kit. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
I. Understanding the Jeep Grand Cherokee AC System
A. Overview of the Jeep Grand Cherokee AC system
The Jeep Grand Cherokee AC system is responsible for cooling the cabin and maintaining a comfortable temperature while driving. It utilizes a complex network of components and circuits to achieve this task.
B. Components of the AC system
The AC system in the Jeep Grand Cherokee comprises several key components that work together to cool the air. These components include:
- AC compressor: The AC compressor is the heart of the system. It pressurizes and circulates the refrigerant throughout the system.
- AC condenser: The AC condenser is responsible for dissipating heat from the refrigerant, allowing it to cool down.
- AC evaporator: The AC evaporator absorbs heat from the cabin, cooling the air before it enters the interior.
- AC expansion valve: The AC expansion valve regulates the flow of refrigerant into the evaporator, controlling the cooling process.
- AC clutch: The AC clutch engages and disengages the compressor with the engine’s power, allowing the system to turn on and off as needed.
C. How the AC system works
The Jeep Grand Cherokee AC system operates on the principles of refrigeration. It begins with the AC compressor pressurizing the refrigerant gas, which then flows to the condenser. The condenser removes heat from the refrigerant, causing it to condense into a high-pressure liquid.
The liquid refrigerant then passes through the expansion valve, where its pressure and temperature decrease. As it enters the evaporator, it absorbs heat from the air, cooling it down. The cooled air is then blown into the cabin, providing relief from the outside heat.
II. Common Causes of the AC Turning On and Off
A. Low refrigerant levels
One of the most common causes of the AC turning on and off in the Jeep Grand Cherokee is low refrigerant levels. When the refrigerant is insufficient, the system cannot cool the air effectively.
1. Symptoms of low refrigerant levels
Signs that your Jeep Grand Cherokee may have low refrigerant levels include:
- Weak or warm airflow from the vents
- Inconsistent cooling, with the AC blowing cold air for a short time and then warm air
- Audible hissing or bubbling sounds coming from the AC system
- Visible refrigerant leaks around the AC components
2. Causes of low refrigerant levels
The refrigerant in the AC system can become low due to:
- Leakage from damaged hoses, connections, or seals
- Evaporator or condenser coil leaks
- Faulty AC compressor seals
- Poor maintenance and lack of regular AC system inspections
3. Impact on the AC system
When the refrigerant levels are too low, the system may struggle to generate sufficient cooling. This can lead to reduced AC performance and intermittent cooling.
B. Faulty AC compressor
The AC compressor plays a vital role in the cooling process. If it malfunctions, it can cause the AC to turn on and off unexpectedly.
1. Signs of a faulty AC compressor
Indications that your Jeep Grand Cherokee’s AC compressor may be faulty include:
- Loud noises coming from the compressor, such as grinding or squealing
- AC system not cooling effectively or blowing warm air
- AC compressor clutch not engaging
- Visible damage or leakage from the compressor
2. Possible reasons for the AC compressor malfunctioning
The AC compressor can fail due to various reasons, including:
- Wear and tear over time
- Faulty compressor clutch
- Electrical issues, such as a faulty compressor relay or wiring problems
- Insufficient lubrication
3. Effects on the AC system
A faulty AC compressor can disrupt the cooling process and cause the AC to cycle on and off unexpectedly. This can result in inadequate cooling and discomfort for the occupants of the Jeep Grand Cherokee.
C. Electrical issues
Electrical problems can also contribute to the AC turning on and off in the Jeep Grand Cherokee. Issues such as blown fuses, faulty relays, or wiring problems can disrupt the AC system’s functioning.
1. Blown fuse
A blown fuse can interrupt the power supply to the AC system, causing it to turn on and off. Fuses can blow due to excessive electrical load or a short circuit.
2. Faulty relay
A faulty relay, specifically the AC compressor relay, can prevent the AC system from operating smoothly. This can result in the system cycling on and off randomly or failing to turn on at all.
3. Wiring problems
Issues with the wiring, such as frayed or damaged wires, can disrupt the electrical flow to the AC system. This can lead to erratic AC behavior, including frequent cycling on and off.
D. AC clutch issues
The AC clutch is responsible for engaging and disengaging the compressor with the engine’s power. If the AC clutch is experiencing problems, it can cause the system to turn on and off unexpectedly.
1. Symptoms of AC clutch problems
Signs that the AC clutch in your Jeep Grand Cherokee may be faulty include:
- AC compressor not turning on
- AC blowing warm air or inconsistent cooling
- Audible clicking or grinding noises coming from the AC system
- Visible damage to the AC clutch or its components
2. Causes of AC clutch issues
The AC clutch can experience problems due to:
- Wear and tear over time
- Faulty clutch coil or bearing
- Electrical issues, such as a malfunctioning clutch relay or wiring problems
- Insufficient clutch air gap
3. Impact on the AC system
A malfunctioning AC clutch can prevent the compressor from engaging properly, causing the AC to turn on and off unexpectedly. This can result in inadequate cooling and discomfort for the occupants of the Jeep Grand Cherokee.
III. Troubleshooting and Resolving the Issue
A. Visual inspection
Before diving into more complex troubleshooting steps, begin with a visual inspection of the AC system in your Jeep Grand Cherokee. Look for any obvious signs of damage or leaks.
1. Checking for obvious signs of damage or leaks
Inspect the AC system components, including the compressor, condenser, evaporator, and clutch, for any visible damage, such as cracks, corrosion, or oil stains. Look for refrigerant leaks as well.
2. Inspecting the AC compressor and clutch
Check the AC compressor and clutch for any signs of damage or malfunction. Look for loose connections, damaged wiring, or worn-out clutch components.
3. Examining the electrical connections
Inspect the electrical connections in the AC system, including fuses, relays, and wiring. Ensure they are secure and free from any corrosion or damage.
B. Checking refrigerant levels
Low refrigerant levels can cause the AC to cycle on and off. Use a pressure gauge to measure the refrigerant levels in your Jeep Grand Cherokee’s AC system.
1. Using a pressure gauge to measure refrigerant levels
Connect a pressure gauge to the low-pressure service port of the AC system. Start the engine and turn on the AC to the maximum cool setting. The pressure reading should fall within the manufacturer’s recommended range.
2. Steps to refill refrigerant if levels are low
If the refrigerant levels are low, it may be necessary to refill the system. Consult the vehicle’s manual or seek professional assistance for the proper refrigerant type and filling procedure.
C. Testing the AC compressor
If the visual inspection and refrigerant level check did not resolve the issue, it may be necessary to test the AC compressor in your Jeep Grand Cherokee.
1. Using a multimeter to check compressor function
Set a multimeter to the continuity or ohms setting and test the AC compressor clutch coil for proper resistance. Compare the reading to the manufacturer’s specifications to determine if the clutch is functioning correctly.
2. Replacing a faulty AC compressor if necessary
If the AC compressor is found to be faulty, it may need to be replaced. Consult the vehicle’s manual or seek professional assistance for the proper replacement procedure.
D. Inspecting electrical components
Electrical issues can contribute to the AC turning on and off unexpectedly. Inspect the fuses, relays, and wiring in your Jeep Grand Cherokee’s AC system.
1. Testing fuses and relays
Check the fuses and relays related to the AC system for continuity or signs of damage. Replace any blown fuses or faulty relays.
2. Checking wiring for any damage or loose connections
Inspect the wiring in the AC system for any frayed, damaged, or loose connections. Repair or replace any faulty wiring as necessary.
E. Evaluating the AC clutch
If the AC clutch is suspected to be the cause of the issue, evaluate its functionality in your Jeep Grand Cherokee.
1. Testing the AC clutch engagement
Start the engine and turn on the AC. Observe the AC clutch to see if it engages and disengages properly. A malfunctioning clutch may not engage at all or engage intermittently.
2. Repairing or replacing a faulty AC clutch as needed
If the AC clutch is found to be faulty, it may be necessary to repair or replace it. Consult the vehicle’s manual or seek professional assistance for the proper repair or replacement procedure.
IV. Preventive Maintenance for the Jeep Grand Cherokee AC System
A. Regular AC system inspections
To prevent issues with the AC system in your Jeep Grand Cherokee, regular inspections are crucial. Have a professional technician inspect the system periodically for any signs of damage, leaks, or wear and tear.
B. Replacing air filters regularly
Dirty or clogged air filters can restrict airflow and put strain on the AC system. Replace the air filters in your Jeep Grand Cherokee at the recommended intervals to ensure optimal performance.
C. Cleaning the AC condenser and evaporator coils
Dirt, debris, and contaminants can accumulate on the AC condenser and evaporator coils over time, hindering their performance. Regularly clean these components to maintain efficient cooling.
D. Protecting the AC system from debris and contaminants
Minimize exposure of the AC system in your Jeep Grand Cherokee to debris and contaminants. Park in shaded areas whenever possible and avoid driving on dusty or gravelly roads.
V. Seeking Professional Assistance
A. When to consult a professional technician
If you are unable to troubleshoot or resolve the AC turning on and off issue in your Jeep Grand Cherokee, it is recommended to seek professional assistance. A qualified technician can diagnose the problem accurately and provide appropriate solutions.
B. Benefits of professional AC system diagnosis and repair
Professional AC system diagnosis and repair offer several advantages, including:
- Access to specialized tools and equipment
- Expertise and knowledge of AC systems
- Guaranteed repairs and warranties
- Time and cost savings
C. Tips for finding a reliable and experienced mechanic
When seeking professional assistance for your Jeep Grand Cherokee’s AC system, consider the following tips:
- Ask for recommendations from friends, family, or fellow Jeep Grand Cherokee owners
- Research and read reviews of local mechanics or repair shops
- Verify the mechanic’s certifications and qualifications
- Request quotes and compare prices before making a decision
- Ensure the mechanic has experience working with Jeep vehicles and AC systems
VI. Conclusion
Dealing with an AC that turns on and off in your Jeep Grand Cherokee can be frustrating, but understanding the system’s components and troubleshooting tips can help you resolve the issue. By identifying common causes such as low refrigerant levels, faulty AC compressors, electrical issues, and AC clutch problems, you can take the necessary steps to fix the problem.
Performing visual inspections, checking refrigerant levels, testing the AC compressor, inspecting electrical components, and evaluating the AC clutch are all important steps in troubleshooting the issue. Preventive maintenance, including regular inspections, air filter replacements, cleaning of condenser and evaporator coils, and protecting the AC system from debris, can also help prevent AC problems in the future.
If you’re unable to resolve the AC turning on and off issue on your own, don’t hesitate to seek professional assistance. A qualified technician can accurately diagnose the problem and provide expert solutions. By following these troubleshooting tips and seeking professional help when needed, you can ensure a cool and comfortable driving experience in your Jeep Grand Cherokee.
What Traction Control Button Does and Why You Would Turn it Off
Frequently Asked Questions (FAQ)
Why does my Jeep Grand Cherokee AC turn on and off?
How can I fix my Jeep Grand Cherokee AC that turns on and off frequently?
Can a clogged cabin air filter cause the AC to turn on and off?
Is it safe to drive my Jeep Grand Cherokee with a malfunctioning AC?
How much does it cost to repair a Jeep Grand Cherokee AC that turns on and off?
Summary: Understanding the complex network of components in the Jeep Grand Cherokee AC system is crucial for troubleshooting and resolving issues. Low refrigerant levels, faulty AC compressors, electrical problems, and AC clutch issues can all cause the system to turn on and off unexpectedly. Regular preventive maintenance can help prevent future AC problems.
In conclusion, the Jeep Grand Cherokee AC system is a complex network of components that work together to cool the cabin and provide a comfortable driving experience. The system includes the AC compressor, condenser, evaporator, expansion valve, and AC clutch.
The AC system operates on the principles of refrigeration, with the compressor pressurizing the refrigerant, which then flows to the condenser and evaporator to cool the air before it enters the cabin. One of the most common causes of the AC turning on and off in the Jeep Grand Cherokee is low refrigerant levels.
Signs of low refrigerant levels include weak airflow, inconsistent cooling, and visible leaks. Another potential cause is a faulty AC compressor, which can result in ineffective cooling and loud noises. Electrical issues such as blown fuses, faulty relays, or wiring problems can also contribute to the problem.
Lastly, AC clutch issues, such as a faulty clutch coil or bearing, can cause the system to turn on and off unexpectedly. To troubleshoot and resolve the issue, visual inspections, checking refrigerant levels, testing the AC compressor, inspecting electrical components, and evaluating the AC clutch are all important steps. Performing regular preventive maintenance, including inspections, air filter replacements, and cleaning of condenser and evaporator coils, can help prevent AC problems in the future.
