2018 Jeep Grand Cherokee Maintenance Schedule
Your Comprehensive Guide to Keeping Your WK2 Running Strong
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
Keeping Your 2018 Jeep Grand Cherokee in Top Condition
The 2018 Jeep Grand Cherokee is a popular SUV known for its blend of off-road capability, on-road comfort, and available V8 power. To ensure your Grand Cherokee continues to perform reliably for years to come, adhering to a consistent maintenance schedule is crucial. This guide provides a comprehensive overview of the recommended factory service intervals, common issues to watch for, severe-duty adjustments, typical service costs, and important recall information.
Factory Recommended Maintenance Schedule
Jeep’s maintenance schedule for the 2018 Grand Cherokee is designed to keep your vehicle running efficiently and prevent premature wear.
| Service Interval | Item/Task | Details |
|---|---|---|
| Every 10,000 Miles or 12 Months (whichever comes first) | Oil Change & Filter Replacement | Use API certified 5W-20 engine oil (or 5W-30 for SRT/Trackhawk models). For the 3.6L Pentastar V6, 5W-20 is specified, while the 5.7L HEMI V8 often uses 5W-20 as well. The 3.0L EcoDiesel uses 5W-30 or 5W-40 depending on specific oil requirements. |
| Tire Rotation | Essential for even tire wear and extending tire life. | |
| Brake Inspection | Check brake pads, rotors, calipers, and fluid level. | |
| Multi-point Inspection | Inspect fluid levels, belts, hoses, exhaust, and suspension components. | |
| Every 20,000 Miles or 24 Months | Cabin Air Filter Replacement | Improves interior air quality. |
| Engine Air Filter Replacement | Crucial for engine performance and fuel economy. | |
| Battery Inspection | Check terminals, cables, and battery condition. | |
| Every 30,000 Miles or 36 Months | Transfer Case Fluid Change | For 4x4 models (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II). Use MOPAR Transfer Case Fluid. |
| Spark Plug Replacement | For 3.6L Pentastar V6 and 5.7L HEMI V8. Use OEM specified iridium spark plugs. | |
| Rear Axle Fluid Change | For all models. Use API GL-5 specified gear lubricant. | |
| Front Axle Fluid Change | For 4x4 models. Use API GL-5 specified gear lubricant. | |
| Every 40,000 Miles or 48 Months | Fuel Filter Replacement | For 3.0L EcoDiesel models only. |
| Power Steering Fluid Inspection | Check fluid level and condition. | |
| Every 60,000 Miles or 72 Months | Automatic Transmission Fluid & Filter Change | Recommended for optimal transmission longevity, especially under severe conditions. While some manufacturers claim "lifetime" fluid, changing it is highly recommended. |
| Drive Belt Inspection/Replacement | Inspect for cracks or wear. Replace if necessary. | |
| Coolant Flush/Replacement | Use MOPAR OAT (Organic Acid Technology) Antifreeze/Coolant. | |
| Every 100,000 Miles | Spark Plug Replacement | For 3.0L EcoDiesel models. |
| PCV Valve Replacement | For gasoline engines. |
Note: This table provides a general guideline. Always refer to your 2018 Jeep Grand Cherokee's owner's manual for the most accurate and specific maintenance schedule for your vehicle's trim and engine.
Known Issues and Common Problems for the 2018 Jeep Grand Cherokee (WK2 Generation)
While generally reliable, the WK2 generation (2011-2020) Jeep Grand Cherokee, including the 2018 model, has a few known issues that owners should be aware of:
- ZF 8-Speed Automatic Transmission Issues: Some owners have reported rough shifting, hesitation, and occasional clunking noises. Often, software updates can resolve these issues, but in some cases, transmission replacement has been necessary. Regular transmission fluid changes can help mitigate some problems.
- Uconnect System Glitches: The Uconnect infotainment system can sometimes experience freezing, unresponsiveness, or connectivity problems. Software updates are frequently released to address these concerns.
- Electrical Gremlins: Minor electrical issues, such as flickering lights, malfunctioning sensors, or battery drain, have been reported. Often these can be traced to loose connections or faulty modules.
- Air Suspension (Quadra-Lift) Problems: While offering excellent ride quality, the optional Quadra-Lift air suspension system can develop leaks or compressor failures over time, leading to a sagging vehicle or error messages. These repairs can be costly.
- Exhaust Manifold Leaks (5.7L HEMI): The 5.7L HEMI V8 engine, particularly in earlier WK2 models, was known for exhaust manifold bolts breaking, leading to an exhaust leak and ticking noise. While less common in newer models like the 2018, it
Other Jeep Grand Cherokee years
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