The 2018 Jeep Grand Cherokee is a versatile midsize SUV offering advanced safety features, a powerful engine, and a user-friendly infotainment system, ideal for both on-road and off-road adventures.
Safety Precautions and Warnings
The 2018 Jeep Grand Cherokee emphasizes safety with features like blind spot monitoring and rear cross path detection to enhance driver awareness. Proper maintenance, such as regular brake inspections and tire pressure checks, is crucial for safe operation. Always wear seatbelts, as they significantly reduce injury risk. Avoid distractions while driving, such as using a phone, to maintain focus on the road. Ensure all passengers follow safety guidelines. Be cautious when driving in adverse weather conditions, as this can affect vehicle handling. Follow recommended maintenance schedules to prevent system failures. Use genuine parts to maintain reliability and safety standards. Stay alert and adhere to traffic rules for a secure driving experience.
Engine and Performance
The 2018 Jeep Grand Cherokee features a 3.6L V6 engine with 295 horsepower and 260 lb-ft torque, or a 5.7L V8 with 360 horsepower and 390 lb-ft torque, offering a balance of power and efficiency with EcoMode for improved fuel economy.
3.1 Engine Specifications
The 2018 Jeep Grand Cherokee offers two engine options: a 3.6L V6 engine producing 295 horsepower and 260 lb-ft of torque, and a 5.7L V8 engine delivering 360 horsepower and 390 lb-ft of torque. Both engines are paired with an 8-speed automatic transmission, ensuring smooth and responsive shifting. The V6 engine features EcoMode for improved fuel efficiency, while the V8 provides exceptional towing capability. The fuel tank capacity is 24.6 gallons, allowing for extended driving range. The V8 model achieves an estimated 14 MPG combined, while the V6 offers slightly better fuel economy. These engines cater to diverse driving needs, from daily commuting to off-road adventures.
3.2 Oil and Fluid Requirements
The 2018 Jeep Grand Cherokee requires specific oil and fluids to maintain optimal performance. For engine oil, 0W-20 synthetic oil is recommended for most models, though 5W-20 or 5W-30 conventional oil may be used in certain conditions; Oil changes are recommended every 3,000 to 5,000 miles for traditional oil, while synthetic oil can extend intervals up to 10,000 miles. The coolant should be a 50/50 mixture of ethylene glycol-based antifreeze and distilled water; Transmission fluid and brake fluid should also be checked regularly, using only the specified types to avoid damage. Always refer to the owner’s manual for precise fluid specifications tailored to your vehicle’s model and driving conditions.
3.3 Cooling System Maintenance
Regular cooling system maintenance is essential for the 2018 Jeep Grand Cherokee to prevent overheating and ensure optimal engine performance. The coolant should be a 50/50 mix of ethylene glycol-based antifreeze and distilled water. Check the coolant level regularly and top it off as needed. Inspect the hoses and belts for signs of wear or damage, replacing them if necessary. The radiator should be cleaned periodically to remove debris. Additionally, the cooling system should be drained and refilled every 5 years or 100,000 miles, whichever comes first. Always refer to the owner’s manual for specific guidelines and recommendations to maintain the cooling system effectively and avoid potential engine damage.
Transmission and Drivetrain
The 2018 Jeep Grand Cherokee features an advanced drivetrain system, offering smooth transmission performance for both on-road efficiency and off-road capability, ensuring superior control and stability.
4.1 Transmission Overview
The 2018 Jeep Grand Cherokee offers a range of transmissions, including an 8-speed automatic, designed for smooth shifting and optimal performance. This transmission enhances fuel efficiency and provides seamless power delivery across various driving conditions. The system is engineered to adapt to both on-road and off-road terrains, ensuring responsive acceleration and controlled gear changes. Additionally, the available paddle-shift technology allows for manual control, offering a sporty driving experience. The transmission’s durability and reliability are supported by regular maintenance, as outlined in the service manual, ensuring longevity and consistent performance.
4.2 Four-Wheel-Drive System
The 2018 Jeep Grand Cherokee features a robust four-wheel-drive system designed for enhanced traction and off-road capability. It includes selectable drive modes, such as sand, mud, snow, and rock, allowing drivers to adapt to various terrains. The system utilizes a two-speed transfer case for low-range gearing, providing additional control in challenging conditions. The Quadra-Trac and Quadra-Drive systems offer advanced torque distribution, ensuring power is sent to the wheels with the most grip. Drivers can easily switch between modes using controls on the center console. This system is engineered to deliver stability, control, and confidence, whether navigating rugged trails or everyday driving conditions.
Maintenance Schedule and Tips
Regular maintenance is essential for optimal performance. Follow the recommended service intervals, check tire pressure monthly, and replace oil every 5,000–7,500 miles with synthetic oil.
5.1 Oil Change Interval
The 2018 Jeep Grand Cherokee requires regular oil changes to maintain engine health. For vehicles using conventional oil, the recommended interval is every 3,000 to 5,000 miles. Synthetic oil, however, can extend this interval up to 10,000 miles. Always refer to the owner’s manual or service manual for precise guidelines, as intervals may vary depending on driving conditions. Proper oil maintenance ensures optimal engine performance, fuel efficiency, and longevity. Use genuine Jeep-approved oil filters and lubricants to meet manufacturer specifications. Regular oil changes prevent engine damage and maintain warranty compliance. Stay proactive with scheduled maintenance to keep your Grand Cherokee running smoothly for years.
5.2 Tire Pressure Monitoring
Proper tire pressure is crucial for safety, performance, and fuel efficiency in the 2018 Jeep Grand Cherokee. The recommended tire pressure is typically around 35 PSI, but always check the driver’s side door jamb or the owner’s manual for exact specifications. The Tire Pressure Monitoring System (TPMS) alerts drivers when tire pressure is too low, ensuring timely adjustments. Under-inflated tires can lead to reduced traction, uneven wear, and increased risk of a blowout. Regularly monitor tire pressure monthly and before long trips. Use a reliable tire pressure gauge and maintain the recommended levels to optimize your Grand Cherokee’s handling and safety on the road.
5.3 Brake Fluid Replacement
Regular brake fluid replacement is essential for maintaining the 2018 Jeep Grand Cherokee’s braking system performance and safety. The manufacturer recommends changing the brake fluid every two years to ensure optimal hydraulic system functionality. Over time, brake fluid can degrade and absorb moisture, leading to reduced braking efficiency and potential corrosion. When replacing, use only the specified DOT 3 or DOT 4 fluid to avoid system damage. Always refer to the owner’s manual or service manual for precise instructions and guidelines. Proper disposal of used brake fluid is also crucial to protect the environment. Regular maintenance of your Grand Cherokee’s brake system ensures reliable stopping power and contributes to overall vehicle safety.
5.4 Battery Maintenance
Proper maintenance of the 2018 Jeep Grand Cherokee’s battery ensures reliable starting and electrical system performance. Regularly inspect the battery terminals for corrosion and clean them with a wire brush if necessary. Ensure the terminals are tightly secured to maintain a good connection. Check the electrolyte level in the battery (if applicable) and top it off with distilled water as needed. Avoid overcharging, as it can shorten the battery’s lifespan. If the battery is more than three years old, consider having it tested by a professional. Always follow the manufacturer’s guidelines for charging and replacement. Refer to the service manual for specific instructions tailored to your vehicle.
Diagnostic and Repair Tools
The 2018 Jeep Grand Cherokee utilizes diagnostic tools like OBD-II scanners and multimeters for troubleshooting. Regular use ensures optimal performance and repair accuracy.
6.1 OBD-II System
The OBD-II system in the 2018 Jeep Grand Cherokee provides real-time monitoring of engine performance and emissions. It helps identify issues through fault codes, enabling efficient diagnostics and repairs. By connecting an OBD-II scanner, technicians can retrieve trouble codes, monitor live data, and perform system tests. This system is essential for maintaining vehicle health and ensuring compliance with emissions standards. Regular use of OBD-II tools helps prevent minor issues from becoming major problems, ensuring optimal vehicle performance and longevity. The system is a crucial diagnostic tool for both professional mechanics and DIY enthusiasts, offering detailed insights into the vehicle’s operation.
6.2 Scan Tool Usage
A scan tool is essential for diagnosing and troubleshooting issues in the 2018 Jeep Grand Cherokee. It connects to the OBD-II system, allowing users to retrieve fault codes, monitor real-time data, and perform advanced diagnostics. By using a scan tool, owners can identify problems such as faulty sensors, ignition issues, or emission-related concerns. Regular use helps prevent minor issues from escalating into major repairs. The tool also enables clearing of trouble codes after repairs and provides detailed insights into system performance. Whether for routine maintenance or addressing warning lights, a scan tool is a valuable asset for both professional technicians and DIY enthusiasts, ensuring accurate and efficient diagnostics.
Towing and Cargo Capacity
The 2018 Jeep Grand Cherokee is designed to handle impressive towing and cargo demands. With a maximum towing capacity of up to 7,200 pounds, depending on the engine and drivetrain configuration, it is well-suited for hauling trailers, boats, or RVs. The cargo area provides ample space, with up to 36.3 cubic feet behind the rear seats and 68.3 cubic feet when folded. This versatility makes it ideal for both daily commuting and outdoor adventures. Properly securing loads and adhering to weight limits is crucial for safe operation. The Grand Cherokee’s robust build and advanced towing features ensure reliability and confidence when transporting heavy payloads.
Suspension and Steering
The 2018 Jeep Grand Cherokee features a refined suspension system designed for both on-road comfort and off-road durability. It utilizes an independent front and rear suspension setup, providing a smooth ride while maintaining stability. The Grand Cherokee also offers an optional air suspension system, allowing drivers to adjust ride height for improved ground clearance during off-road excursions. The steering system is precise and responsive, with electric power steering offering a comfortable driving experience. These components work together to ensure the Grand Cherokee delivers a balanced blend of performance and versatility, making it suitable for a wide range of driving conditions and terrains.
Wheels and Tires
The 2018 Jeep Grand Cherokee comes equipped with a variety of wheel and tire options to suit different driving needs. Standard models feature 17-inch aluminum wheels paired with all-season tires, while higher trims offer 18-inch or 20-inch wheels with performance or all-terrain tires. The recommended tire pressure, found on the driver’s doorjamb, should be maintained for optimal safety and fuel efficiency. Tire rotation is recommended every 6,000 to 8,000 miles to ensure even tread wear. The vehicle may come with a full-size spare tire, and proper torque specifications for lug nuts are essential for safety. Additionally, the manual provides guidelines for cleaning and maintaining wheels to prevent corrosion. Always refer to the official service manual for precise details on your specific configuration.
Fuel Efficiency and Economy
The 2018 Jeep Grand Cherokee offers varying fuel efficiency depending on the engine choice. The 3.6L V6 engine achieves an estimated 18-19 MPG in the city and 25-26 MPG on the highway, while the 5.7L V8 provides slightly lower efficiency. Proper tire pressure and regular maintenance, as outlined in the service manual, can optimize fuel economy. Driving habits and conditions also impact efficiency, with city driving generally yielding lower MPG than highway. The manual recommends avoiding aggressive acceleration and maintaining consistent speeds to maximize fuel efficiency. Additionally, the Grand Cherokee’s advanced engine management systems help balance power and economy, ensuring a capable yet efficient driving experience. Always refer to the manual for specific tips tailored to your vehicle’s configuration.
Emission Control Systems
The 2018 Jeep Grand Cherokee is equipped with advanced emission control systems to minimize environmental impact. These systems include a catalytic converter, exhaust gas recirculation, and an oxygen sensor to monitor and reduce emissions. The OBD-II system provides real-time monitoring of these components and alerts the driver if issues arise. Regular maintenance, such as inspecting the catalytic converter and ensuring proper exhaust system function, is crucial for optimal performance. Addressing any “Check Engine” lights promptly helps maintain emissions efficiency. The service manual outlines specific procedures for diagnosing and repairing emission-related issues, ensuring compliance with environmental standards. Proper care of these systems helps preserve the vehicle’s efficiency and longevity while reducing its ecological footprint. Always consult the manual for detailed guidance on emission control maintenance and repairs.
Troubleshooting Common Issues
Common issues with the 2018 Jeep Grand Cherokee include flat tires, connectivity problems with Bluetooth, and four-wheel-drive system malfunctions. For flat tires, locate the spare tire and tools, raise the vehicle, and replace the tire. Connectivity issues can often be resolved by restarting the infotainment system or re-pairing the device. Four-wheel-drive problems may require checking the transfer case or consulting the manual. The OBD-II system helps identify fault codes, while scan tools provide deeper diagnostics. Regular checks of tire pressure and fluid levels can prevent many issues. Always refer to the service manual for detailed troubleshooting steps and solutions to ensure proper repairs and maintain vehicle performance. Early detection of problems prevents costly repairs.
Interior Features and Comfort
The 2018 Jeep Grand Cherokee features a spacious interior with front seats offering lumbar support and 6-way adjustability. Heated seats are optional, enhancing comfort during colder months.
13.1 Seating Adjustments
The 2018 Jeep Grand Cherokee offers front seats with lumbar support and 6-way adjustability, ensuring a comfortable driving experience. Drivers can customize their seating position using power controls located on the side of the seat. These adjustments allow for precise customization of seat height, tilt, recline, and lumbar support. The passenger seat also features manual or optional power adjustments, depending on the trim level. Heated seats are available as an optional feature, providing additional comfort during colder months. Proper seating adjustments are essential for optimal comfort, visibility, and safety while driving. Always adjust the seat to fit your body and driving style for the best experience.
13.2 Infotainment System
The 2018 Jeep Grand Cherokee features a user-friendly infotainment system with a touchscreen display, offering seamless smartphone integration via Apple CarPlay and Android Auto. The system supports Bluetooth connectivity for hands-free calling and audio streaming. Drivers can access navigation, climate controls, and entertainment options through the intuitive interface. The Uconnect system includes a 7-inch or optional 8.4-inch touchscreen, providing clear graphics and responsive functionality. Voice command capabilities allow for distraction-free operation. The system also supports USB device connectivity, enabling easy access to music and other media. This advanced infotainment system enhances the driving experience by combining convenience, entertainment, and connectivity in a modern, easy-to-use design.
13.3 Steering Wheel Controls
The 2018 Jeep Grand Cherokee features intuitive steering wheel controls designed to enhance driver convenience and safety. Located on the steering wheel, these controls allow drivers to manage cruise control settings, adjust audio volume, and handle phone calls without taking their hands off the wheel. The controls are ergonomically placed, ensuring ease of use while driving. They include buttons for answering and ending calls, skipping audio tracks, and regulating the infotainment system’s volume. This feature promotes safer driving by minimizing distractions, enabling drivers to stay focused on the road. The steering wheel controls are a practical addition, contributing to a more enjoyable and distraction-free driving experience.
13.4 Climate Control
The 2018 Jeep Grand Cherokee features a dual-zone automatic climate control system, allowing driver and passenger to set individual temperature preferences. The system integrates seamlessly with the vehicle’s infotainment display, enabling easy adjustments via the touchscreen interface. It includes advanced air filtration to improve cabin air quality and reduce allergens; Rear seat passengers benefit from dedicated climate control vents, ensuring comfort throughout the vehicle. The system also incorporates features like automatic defrost and air recirculation, enhancing overall performance. For added convenience, the climate control can be operated manually or set to automatic mode, providing optimal comfort regardless of external conditions. This system is designed to deliver consistent heating and cooling, ensuring a pleasant driving experience year-round.
Exterior Features and Design
The 2018 Jeep Grand Cherokee boasts a robust and aerodynamic exterior design, combining classic Jeep styling with modern aesthetics. Its bold front grille, LED lighting, and muscular fender flares emphasize its off-road heritage. Available alloy wheels range from 17 to 20 inches, offering both functionality and a sleek appearance. The vehicle features a durable, high-strength steel body for enhanced protection and performance. Trim levels include options like the Trailhawk, with distinctive exterior accents and improved approach/departure angles for off-road adventures. The Grand Cherokee also offers a variety of exterior paint colors, allowing owners to customize its look. Its overall design balances ruggedness with sophistication, making it versatile for both urban and wilderness environments.
Off-Road Driving Tips
For optimal off-road performance in the 2018 Jeep Grand Cherokee, ensure proper preparation and understanding of its capabilities. Always engage the appropriate four-wheel-drive mode (e.g., Sand, Mud, or Rock) based on terrain. Use low-range gearing for steep inclines or heavy pulling. Maintain steady speed and avoid sudden acceleration. Monitor systems like traction control and hill descent control for added stability. Check tire pressure for the specific terrain, as lower pressure improves traction on soft surfaces. Carry recovery gear like a winch or shovel. Familiarize yourself with the vehicle’s ground clearance and approach/departure angles to navigate obstacles safely. Practice on less challenging trails before tackling extreme conditions. Utilize the Grand Cherokee’s skid plates and protective underbody features to shield vital components.
Advanced Safety Features
The 2018 Jeep Grand Cherokee is equipped with a range of advanced safety features designed to enhance driver awareness and reduce accident risks. Key features include Forward Collision Warning, which alerts drivers of potential frontal impacts, and Adaptive Cruise Control, maintaining a safe distance from vehicles ahead. Lane Departure Warning provides alerts if the vehicle drifts out of its lane, while Blind Spot Monitoring and Rear Cross Path Detection improve visibility when changing lanes or reversing. These technologies integrate seamlessly with the vehicle’s systems, offering a high level of protection and peace of mind for drivers and passengers. The Grand Cherokee’s advanced safety systems are user-friendly and designed to complement safe driving practices.
Infotainment and Technology
The 2018 Jeep Grand Cherokee features a user-friendly infotainment system with a touchscreen display, offering seamless smartphone integration via Apple CarPlay and Android Auto. The base model includes a 7-inch touchscreen, while higher trims offer an 8.4-inch high-definition display. Bluetooth connectivity and voice command functionality enhance convenience, allowing hands-free calls and audio streaming. The Uconnect system provides access to a variety of apps and navigation, ensuring drivers stay connected and entertained. Additionally, a premium audio system by Alpine delivers clear and immersive sound quality. These advanced technologies create a modern and enjoyable driving experience, combining practicality with entertainment.
Seating and Storage Capacity
The 2018 Jeep Grand Cherokee offers a spacious interior designed for comfort and practicality. It provides seating for up to five passengers, with front seats featuring lumbar support and 6-way adjustability. Higher trims include optional heated and ventilated front seats for enhanced comfort. The vehicle also boasts ample cargo space, with 36.3 cubic feet behind the second row and up to 68.3 cubic feet when the rear seats are folded. This versatility makes it ideal for both daily commutes and outdoor adventures, providing ample room for passengers and cargo alike. The Grand Cherokee strikes a balance between passenger comfort and storage capacity, catering to diverse needs.
Heating and Cooling System
The 2018 Jeep Grand Cherokee features a robust heating and cooling system designed for comfort and reliability. The dual-zone automatic climate control allows driver and passenger to set individual temperatures. The system includes advanced air filtration to improve cabin air quality. Regular maintenance, such as checking coolant levels and inspecting belts, is essential for optimal performance. The cooling system is also crucial for towing, as it prevents overheating under heavy loads. Proper functioning ensures efficient engine operation and passenger comfort in all conditions. The system is integrated with the vehicle’s technology, providing real-time feedback and adjustments for reliable performance during both on-road and off-road driving scenarios.
Electrical System Overview
The 2018 Jeep Grand Cherokee features a sophisticated electrical system designed to support its advanced features and ensure reliable operation. The system includes a dual battery setup for enhanced power delivery, along with a 220-amp alternator to meet the vehicle’s high electrical demands. Key components like the power distribution center and wiring harnesses ensure efficient energy distribution across the vehicle. The electrical system powers features such as the infotainment system, heated seats, and adaptive cruise control. It also supports the remote start and keyless entry functions for added convenience. Regular checks of fuses, relays, and connections are essential to maintain system performance. The Jeep Grand Cherokee’s electrical system is engineered for durability and ease of diagnosis, making it suitable for both on-road and off-road conditions.
Remote Start and Keyless Entry
The 2018 Jeep Grand Cherokee offers a convenient remote start system, allowing drivers to start the engine from a distance, which is especially useful in extreme weather conditions. The keyless entry feature enhances ease of access by enabling passive entry and a push-button start. The remote start function integrates seamlessly with the vehicle’s electrical system, ensuring reliable operation. The key fob includes encryption technology for security, preventing unauthorized access. These features provide added convenience and peace of mind, making the Grand Cherokee a modern and user-friendly vehicle for daily use. The system is designed to work effortlessly, complementing the overall driving experience with advanced technology.
Tire Changing and Replacement
Changing a tire on the 2018 Jeep Grand Cherokee is a straightforward process that requires the correct tools and precautions. Locate the spare tire, jack, and lug wrench in the vehicle. Position the jack under the designated lifting points and raise the vehicle until the flat tire is off the ground. Remove the lug nuts using the wrench, replace the flat tire with the spare, and tighten the lug nuts securely. Lower the vehicle and ensure all lug nuts are tightened properly. Always refer to the service manual for specific instructions and torque specifications to ensure safety and proper replacement. Regular tire inspections are essential to maintain performance and safety.
The 2018 Jeep Grand Cherokee is a robust and versatile SUV designed for both on-road comfort and off-road adventures. Proper maintenance, as outlined in the service manual, is key to ensuring longevity and performance. Regular oil changes, tire pressure checks, and inspections of critical systems will help maintain your vehicle in optimal condition. Always refer to the manual for specific guidelines and recommendations. For a safer and more enjoyable driving experience, stay vigilant about potential issues and address them promptly. By following these tips and adhering to the manual, you can maximize the capabilities of your Grand Cherokee and enjoy years of reliable service. Happy driving!