The 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a powerful SUV. Yet, it has its share of problems.
Owning a 2012 Jeep Grand Cherokee Overland with a 5. 7 Hemi engine can be a thrilling experience. Its robust engine promises a blend of power and performance. However, some owners have faced recurring issues over the years. If you are considering buying this vehicle or already own one, it’s crucial to know these common problems.
This knowledge can help you make informed decisions. It can also save you from unexpected repairs and ensure a smoother driving experience. Let’s explore the typical issues that come with this model.

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Common Engine Issues
The 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a strong vehicle. But, it has some common engine issues. These problems can affect the performance and lifespan of the car. Knowing these issues can help in maintaining the vehicle better.
Oil Consumption
One major problem is high oil consumption. Owners report the engine uses more oil than normal. This can lead to frequent oil changes. It also means higher maintenance costs. Regular checks on oil levels are necessary to avoid engine damage.
Ticking Noise
Another issue is a ticking noise from the engine. Many drivers hear this sound, especially at idle. It often points to problems with the lifters or the valvetrain. Ignoring this noise can lead to more severe engine damage. Prompt inspection and repair are crucial.
Transmission Problems
The 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a powerful SUV. But, like any vehicle, it has its problems. One of the most common issues is with the transmission. Transmission problems can be a major headache. They can affect the overall performance of the vehicle. Let’s dive into some of the key transmission issues owners have reported.
Shifting Difficulties
Many owners experience shifting difficulties. The transmission may not shift smoothly. It can jerk or hesitate between gears. This issue can make driving uncomfortable. It can also reduce the lifespan of the transmission. Regular maintenance can help, but sometimes a professional mechanic is needed.
Transmission Overheating
Transmission overheating is another common problem. The transmission can overheat during long drives. This can lead to serious damage. Overheating can cause the transmission fluid to break down. This reduces its ability to cool and lubricate the transmission. Owners should keep an eye on their transmission temperature gauge. If the transmission overheats, it is best to let it cool down before continuing to drive.
Electrical System Failures
Owning a 2012 Jeep Grand Cherokee Overland 5.7 Hemi can be an adventure, but not all adventures are fun. One area where this vehicle can cause headaches is the electrical system. Electrical problems in your Jeep can lead to various issues, from minor annoyances to significant malfunctions. Let’s dive into some common electrical system failures, focusing on Battery Drain and Faulty Sensors.
Battery Drain
One of the most frustrating problems Jeep Grand Cherokee owners face is unexpected battery drain. Imagine getting ready for work, hopping into your Jeep, and finding out it won’t start. How annoying, right? This problem often stems from:
- Parasitic Drain: This occurs when something in the vehicle continues to use power even after the engine is off. It could be a light that stays on or an accessory that doesn’t shut down properly.
- Faulty Alternator: The alternator charges the battery while the engine runs. If it’s faulty, the battery won’t get charged correctly, leading to frequent dead batteries.
To avoid these issues, regular maintenance checks are crucial. Ensure your alternator is in good shape and check for any accessories that might be draining power unnecessarily.
Faulty Sensors
Another common issue with the 2012 Jeep Grand Cherokee Overland 5.7 Hemi is faulty sensors. These sensors are like the vehicle’s nervous system, sending important information to the car’s computer. When they fail, it can lead to:
- Erratic Gauges: If the sensors are not working correctly, the gauges on your dashboard might give you wrong readings. This can be quite confusing and potentially dangerous.
- Check Engine Light: A faulty sensor can trigger the check engine light, which can be both alarming and annoying.
- Poor Performance: Incorrect data from the sensors can affect the engine’s performance, leading to reduced fuel efficiency and power.
Have your sensors checked regularly by a professional. If you notice any of these symptoms, don’t ignore them. A quick fix can save you from more significant issues down the road.
In conclusion, while the 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a fantastic vehicle, being aware of these common electrical problems can help you stay ahead of any potential issues. Regular checks and prompt attention to any warning signs will keep your Jeep running smoothly and your adventures enjoyable.
Suspension Concerns
The 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a popular SUV. Yet, it has its share of suspension concerns. These issues can affect the vehicle’s performance and comfort. Owners have reported problems that can be costly to fix. Below, we discuss two common suspension concerns: air suspension failure and control arm wear.
Air Suspension Failure
Air suspension systems offer a smooth ride. But, the 2012 Jeep Grand Cherokee Overland 5.7 Hemi has faced air suspension failures. These failures can lead to an uneven ride or complete suspension collapse. This issue often occurs due to leaks in the air springs. Over time, the rubber components wear out. When this happens, the suspension cannot hold air. This leads to a rough and uncomfortable ride.
Fixing air suspension failure can be expensive. Many owners opt to replace the air suspension with a traditional coil spring system. This solution is more reliable and less costly in the long run.
Control Arm Wear
Control arms are crucial for stable handling. In the 2012 Jeep Grand Cherokee Overland 5.7 Hemi, control arm wear is a common issue. Worn control arms can cause clunking noises and uneven tire wear. This wear can result from driving on rough roads or normal aging.
Replacing worn control arms is necessary to maintain vehicle safety. Ignoring this issue can lead to more serious problems. Regular inspections help catch control arm wear early. This prevents more extensive damage and ensures a smooth driving experience.
Brake System Troubles
When it comes to the 2012 Jeep Grand Cherokee Overland 5.7 Hemi, owners have often reported various issues with the brake system. These problems can range from minor inconveniences to more severe concerns that may affect the overall safety and performance of the vehicle. Understanding these common issues can help owners take proactive steps to address them and ensure their vehicle remains in top condition.
Premature Wear
One of the most frequently mentioned problems is the premature wear of brake pads and rotors. Many owners have noticed that their brake components wear out much faster than expected, sometimes requiring replacement as early as 20,000 miles. This can be both frustrating and costly, especially if you’re not prepared for frequent maintenance.
- Brake pads needing replacement too soon
- Rotors warping or wearing down quickly
- Increased maintenance costs
Why does this happen? It could be due to the quality of the original parts, driving habits, or even the weight and performance of the vehicle. Regardless of the cause, it’s essential to keep an eye on your brakes and address any signs of wear promptly.
Abs Malfunction
Another common issue is the ABS (Anti-lock Braking System) malfunction. The ABS is crucial for maintaining control during hard braking, especially in slippery conditions. However, many Jeep Grand Cherokee owners have reported problems with their ABS system, including warning lights coming on unexpectedly or the system not engaging when needed.
- ABS warning lights appearing on the dashboard
- ABS not activating during hard braking
- Loss of control in slippery conditions
Imagine driving down a wet road and suddenly realizing your ABS isn’t working correctly – that’s a scary thought! This issue can stem from faulty sensors, wiring problems, or even software glitches. Regular diagnostics and timely repairs can help mitigate these risks and keep your braking system functioning properly.
In conclusion, while the 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a robust and capable vehicle, it’s not without its brake system troubles. From premature wear to ABS malfunctions, being aware of these issues can help you stay ahead of the game and ensure your vehicle remains safe and reliable.
Fuel System Challenges
Owning a 2012 Jeep Grand Cherokee Overland 5.7 Hemi is an adventurous ride, but it comes with its fair share of challenges. One of the significant areas of concern is the fuel system. Let’s dive into some common issues you might face.
Fuel Pump Issues
The fuel pump is like the heart of your Jeep’s fuel system, and when it starts to fail, you will notice. Imagine driving down the highway, and suddenly, your Jeep begins to sputter and lose power. That’s a sign your fuel pump might be on the fritz.
Here are some symptoms to watch out for:
- Engine sputtering: Especially at high speeds.
- Difficulty starting: Your Jeep takes longer to start than usual.
- Stalling: The engine stalls without warning.
Replacing a fuel pump isn’t cheap, but ignoring it can lead to more severe problems. So, if you notice these signs, it’s time to visit your mechanic.
Injector Problems
Fuel injectors are another critical part of the fuel system. They spray fuel into the engine’s cylinders, and if they aren’t working correctly, your Jeep won’t run smoothly.
Common symptoms of injector problems include:
- Misfiring engine: If one or more injectors fail.
- Poor fuel economy: Injectors not delivering the right amount of fuel.
- Rough idling: The engine feels rough and shaky.
Regular maintenance can help keep your injectors in good shape, but if you notice any of these symptoms, it might be time for a check-up.
In conclusion, while the 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a fantastic vehicle, its fuel system can pose some challenges. Being aware of these issues can save you from unexpected breakdowns and ensure your Jeep remains your trusty companion on all your adventures.
Cooling System Defects
The 2012 Jeep Grand Cherokee Overland 5.7 Hemi is a powerful SUV. But it is not without problems. One common issue is with the cooling system. This can lead to overheating. It is crucial to understand these defects to keep your vehicle running smoothly.
Radiator Leaks
Radiator leaks are a common problem. Small cracks can form in the radiator. These leaks can cause coolant to drip. This reduces the amount of coolant in the system. Your engine may overheat. Check the radiator for wet spots. Leaks can be hard to see. You might need a flashlight. If you find a leak, get it fixed quickly.
Thermostat Failures
The thermostat controls the flow of coolant. If it fails, the engine can overheat. You might notice your temperature gauge rising. This is a sign of thermostat failure. Replacing a thermostat is not too difficult. But it must be done promptly. Ignoring this issue can lead to severe engine damage. Always keep an eye on your temperature gauge.
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Interior Quality Problems
When it comes to the 2012 Jeep Grand Cherokee Overland 5.7 Hemi, drivers often rave about its power and rugged capabilities. However, it’s not all smooth sailing, particularly when it comes to the interior quality. Over time, some owners have noticed a few issues that can dampen the driving experience. Let’s delve into the most common interior quality problems reported by owners of this vehicle.
Dashboard Cracks
One of the most frequently reported issues with the 2012 Jeep Grand Cherokee Overland 5.7 Hemi is cracks appearing on the dashboard. This problem often surfaces after a few years of regular use, especially in vehicles exposed to extreme weather conditions. Cracks can start as small, barely noticeable lines and grow over time, creating an unsightly appearance and potentially affecting the resale value of the vehicle.
So, what can owners do about it? Here are a few tips:
- Use sunshades: Protect your dashboard from direct sunlight to prevent cracks.
- Regular cleaning: Keep the dashboard clean and use conditioners to maintain its flexibility.
- Dashboard covers: Consider using a cover to provide an additional layer of protection.
Seat Wear And Tear
Another area where the 2012 Jeep Grand Cherokee Overland 5.7 Hemi falls short is the durability of its seats. Leather seats, in particular, show signs of wear and tear, such as cracks, creases, and fading. Over time, these issues can make the interior look worn out and less appealing. But don’t worry, there are ways to mitigate these problems:
- Regular conditioning: Use leather conditioners to keep the seats supple and prevent cracking.
- Seat covers: Invest in good quality seat covers to protect the original upholstery.
- Avoid sharp objects: Be mindful of objects that could scratch or tear the leather.
While these issues can be a nuisance, they don’t have to ruin your overall experience with the 2012 Jeep Grand Cherokee Overland 5.7 Hemi. With proper care and maintenance, you can keep the interior looking good and enjoy your ride for years to come. After all, isn’t that why you chose a Jeep in the first place?

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Frequently Asked Questions
Is The Jeep Grand Cherokee 5.7 Hemi Reliable?
Yes, the Jeep Grand Cherokee 5. 7 Hemi is reliable. It offers strong performance and durability. Regular maintenance ensures longevity.
What Are The Worst Years For The Jeep Cherokee To Avoid?
Avoid Jeep Cherokee models from 2014, 2015, and 2019. These years reported frequent transmission and engine issues.
How Many Miles Per Gallon Does A 2012 Jeep Grand Cherokee 5.7 Hemi Get?
The 2012 Jeep Grand Cherokee 5. 7 Hemi gets about 13 miles per gallon in the city and 20 miles per gallon on the highway.
What Years Did The Jeep Grand Cherokee Have Transmission Problems?
The Jeep Grand Cherokee had transmission problems primarily in the 2011, 2012, 2013, 2014, and 2015 model years. These issues were commonly reported by owners.
Conclusion
Owning a 2012 Jeep Grand Cherokee Overland 5. 7 Hemi can be challenging. Addressing common problems early can save you time and money. Regular maintenance checks help keep your vehicle running smoothly. Stay informed about your car’s needs. Seek professional help when issues arise.
This ensures a longer lifespan for your Jeep. Always prioritize safety and reliability. Happy driving!