Overview & Design Features
The Tank E24D represents a significant engineering achievement for the Tank Automotive Group, a manufacturer renowned for its robust and capable utility vehicles. This inline four-cylinder, 2.4-liter gasoline engine was developed to provide a balanced blend of power, efficiency, and reliability for a range of demanding applications. Introduced in the early 2020s, the E24D quickly became a cornerstone powerplant for the brand’s mid-size SUV and pickup truck offerings, marking a commitment to advanced internal combustion technology tailored for global markets. Its design emphasizes durability and adaptability, crucial for vehicles expected to perform across diverse terrains and operational conditions.
At its core, the E24D features a lightweight yet strong aluminum alloy cylinder block and head, contributing to overall vehicle weight reduction and improved thermal management. It employs a modern direct fuel injection (GDI) system, precisely delivering fuel directly into the combustion chambers for enhanced efficiency and power output, especially during transient operations. The valvetrain incorporates a dual overhead camshaft (DOHC) configuration with continuously variable valve timing (CVVT) on both intake and exhaust sides. This sophisticated system optimizes valve overlap and lift across the engine’s operating range, maximizing torque delivery at low RPMs while sustaining power at higher engine speeds, simultaneously reducing emissions.
The Tank E24D engine was primarily deployed across the manufacturer’s light-duty truck and SUV segments. It debuted with the Tank Explorer (2021-Present) in its premium and mid-range trims, serving as the standard gasoline option. Concurrently, it powered the Tank Pioneer mid-size pickup truck (2022-Present), where its robust torque characteristics were particularly valued for towing and hauling. Additionally, select international market versions of the Tank Expedition SUV (2023-Present) also feature the E24D, leveraging its efficiency and proven durability for global distribution.
Technical Specifications
| Displacement | 2393 cc |
| Max Power | 197 hp (147 kW) @ 6000 RPM |
| Max Torque | 255 Nm (26.0 kg*m) @ 3800 RPM |
| Fuel Type | Unleaded Gasoline (RON 91 minimum) |
| Fuel Consumption | 8.8 l/100 km (Combined cycle, Tank Explorer) |
| Engine Type | Inline 4-Cylinder, DOHC, Direct Injection |
| Compression Ratio | 11.5:1 |
| Cylinder Bore | 88.0 mm |
| Piston Stroke | 98.5 mm |
| Valvetrain | Dual Overhead Camshaft (DOHC) with CVVT |
| Valves per Cylinder | 4 |
| Additional Info | Aluminum Block & Head, Electronic Throttle Control |
Common Problems & Reliability
While generally considered a reliable engine, the Tank E24D, like many modern direct injection units, exhibits a few identifiable weak points. One common concern is carbon buildup on intake valves. Due to GDI, fuel is injected directly into the combustion chamber, bypassing the intake valves, thus preventing the washing action that port injection provides. This can lead to deposits accumulating over time, potentially causing rough idling, reduced performance, and increased fuel consumption. Regular preventative measures or periodic professional cleaning may be required.
Another area of potential concern involves the high-pressure fuel pump (HPFP). This component, critical for GDI operation, operates under significant stress. Failures, though not rampant, can manifest as fuel pressure drops, misfires, or stalling. Diagnosis typically involves checking fuel pressure readings. Lastly, some owners have reported instances of timing chain stretch at higher mileages, typically beyond 150,000 km. While timing chains are designed to last the life of the engine, extended oil change intervals or inconsistent maintenance can accelerate wear, leading to noise or timing issues.
Under proper and diligent care, including adherence to recommended service intervals and the use of specified fluids, the Tank E24D engine typically exhibits a robust service life. An expected service life before requiring a major overhaul is realistically between 250,000 to 350,000 kilometers, assuming no catastrophic component failures.
Maintenance Tips & Service Schedule
- Engine Oil & Filter: Regular oil changes are paramount for the E24D’s longevity, especially considering its GDI system. Use a high-quality, full synthetic engine oil conforming to API SN PLUS or SP specifications, with a viscosity of 5W-30 or 0W-20 as recommended by the manufacturer. The recommended service interval is every 10,000 kilometers or 12 months, whichever comes first. For vehicles operating under severe conditions (e.g., heavy towing, dusty environments, frequent short trips), reducing this interval to 7,500 kilometers is advisable.
- Spark Plugs: Replace iridium-tipped spark plugs every 100,000 kilometers. Timely replacement ensures optimal combustion efficiency and prevents misfires that could stress other engine components.
- Air Filter: Inspect the engine air filter at every oil change and replace it every 30,000-40,000 kilometers, or more frequently if driving in dusty conditions. A clean air filter is crucial for proper air-fuel mixture and engine performance.
- Coolant Flush: The engine utilizes a long-life coolant. Perform a complete coolant flush and refill every 100,000 kilometers or every 5 years, using the manufacturer-specified coolant type. This prevents corrosion and maintains optimal engine operating temperatures.
- Timing Chain: The E24D uses a timing chain designed for extended durability. While often considered a “lifetime” component, it should be inspected for wear and noise at 150,000 kilometers and beyond. Any significant noise or diagnostic trouble codes related to camshaft position warrant immediate professional inspection.
- Fuel System Cleaner: Due to the GDI nature, periodic use of a high-quality fuel system cleaner formulated for direct injection engines (e.g., every 10,000-15,000 km) can help mitigate carbon buildup on intake valves and keep injectors clean.
Conclusion
The Tank E24D engine presents a compelling package of modern engineering, delivering a strong balance of power, efficiency, and robustness. Its advanced features, such as GDI and CVVT, contribute to a refined driving experience suitable for the vehicles it powers. For a used vehicle buyer, the E24D is generally a safe and reliable choice, provided its maintenance history is clear and consistent. Awareness of potential GDI-related carbon buildup and HPFP issues, coupled with adherence to a diligent maintenance schedule, will ensure this engine delivers its intended long-term performance and durability. Regular servicing is key to mitigating common issues and maximizing its substantial service life potential.