The 2018 Ford Transit-150 equipped with the 3.7L 6-cylinder engine relies on specific fluid specifications to maintain peak performance and longevity. Proper lubrication is critical for this workhorse van, especially when subjected to heavy loads, towing, or extreme temperatures. Using the correct viscosity and high-quality synthetic lubricants helps reduce wear, minimize sludge buildup, and extend the service life of critical components like the engine, transmission, and differential. This guide outlines the precise AMSOIL products required for this vehicle, ensuring you have the right fluids for every system.
Recommended AMSOIL Products
- AMSOIL Signature Series 5W-20 100% Synthetic Motor Oil – Provides the highest level of protection against horsepower loss and wear, supporting extended drain intervals of up to 25,000 miles or one year. This oil offers 75% more engine protection than required by industry standards.
- AMSOIL Extended-Life 5W-20 100% Synthetic Motor Oil – Delivers 37% more cleaning power to keep the engine running smoother for longer, with guaranteed protection for up to 20,000 miles between changes.
- AMSOIL OE 5W-20 100% Synthetic Motor Oil – A cost-effective synthetic option that fights sludge and deposits while meeting original equipment mileage expectations.
- AMSOIL 5W-20 100% Synthetic High-Mileage Motor Oil – Designed specifically for vehicles with over 75,000 miles, this formula features boosted detergents and seal conditioners to reduce sludge and oil consumption.
- AMSOIL Oil Filter – Engineered for maximum efficiency, this filter provides 99% filtration at 20 microns, lower restriction, and greater capacity for contaminants to reduce engine wear.
- WIX XP Oil Filter – A premium aftermarket filter featuring superior media that offers improvements over standard OEM-branded filters for better flow and filtration.
- WIX Oil Filter – A reliable OEM-grade filter option that uses premium media to capture wear-causing contaminants effectively.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A pre-mixed, ethylene glycol formula that exceeds OEM requirements, providing protection for 150,000 miles or 5 years with comprehensive corrosion control.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated formula that can be mixed with water for extreme protection up to 150,000 miles in passenger cars and light trucks, or significantly longer in heavy-duty applications.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Engineered to withstand heavy towing and elevated temperatures while remaining fluid in sub-zero conditions, offering superior protection for the 6R80 transmission.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – A synthetic fluid designed to protect against wear and maintain optimal shifting performance for standard service intervals.
- AMSOIL SEVERE GEAR® 75W-85 100% Synthetic Gear Lube – Provides advanced protection against wear, controls thermal runaway, and contains friction modifiers essential for limited-slip differentials.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Offers excellent responsiveness for ABS and traction control systems with a stable viscosity across a wide temperature range.
For the 2018 Ford Transit-150 with the 3.7L V-6 engine, maintaining the correct fluid levels and types is essential for avoiding costly repairs. The engine requires 6.0 quarts of fluid with a filter installed, making the choice of viscosity and filtration quality paramount. While the standard recommendation is 5W-20, AMSOIL offers flexibility for extreme climates or specific driving conditions. If your environment sees ambient temperatures below -22°F (-30°C), a 0W-20 oil meeting the WSS-M2C947-A specification can improve cold starts. Additionally, if you utilize E85 or M85 fuels, AMSOIL recommends selecting an oil viscosity appropriate for the original equipment manufacturer’s drain intervals when using these alternative fuels.
The transmission in this model, typically the 6R80 automatic, benefits significantly from high-quality synthetic fluid. The total fill capacity is 13.1 quarts, while the initial fill requires 3.5 quarts. Using a synthetic fluid like the AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid helps prevent the fluid from breaking down under the stress of heavy towing or challenging terrain, ensuring smoother shifts and reduced heat buildup. Similarly, the rear differential requires 75W-85 synthetic AMSOIL SEVERE GEAR® 100% Synthetic Gear Lube, with capacities varying between 5.9 pints for standard differentials and 5.7 pints for limited-slip variants. Using a synthetic gear lube is required, and products containing friction modifiers are ideal for limited-slip applications to ensure proper operation.
Antifreeze and coolant selection is also crucial for this engine. Depending on whether the vehicle is equipped with the OAH14 or AHR cooling system, the fill capacities are 14.9 quarts and 16.4 quarts, respectively. AMSOIL’s ethylene glycol formulations are phosphate-, nitrite-, and borate-free, making them compatible with various vehicle systems while providing robust protection against corrosion and erosion. For vehicles that may sit idle or are used seasonally, AMSOIL Gasoline Stabilizer and AMSOIL Engine Fogging Oil can prevent fuel degradation and internal rusting, ensuring the vehicle is ready to start immediately when needed.
Why Proper Lubrication Matters for the 2018 Ford Transit-150
The 2018 Ford Transit-150 is a commercial-grade van designed for demanding tasks, from hauling cargo to transporting passengers in a variety of weather conditions. Because of its role as a work vehicle, it is frequently subjected to severe service cycles that accelerate the degradation of standard lubricants. The engine’s timing chain tensioners and variable valve timing (VVT) systems rely on consistent oil pressure and cleanliness to function correctly. Sludge buildup or oil breakdown can lead to poor oil flow, causing timing chain rattle, VVT malfunction, and reduced fuel economy. AMSOIL synthetic motor oils maintain their viscosity better than conventional oils under the high temperatures generated by stop-and-go traffic and heavy loads, ensuring the VVT solenoids receive the clean oil they need to operate.
The transmission system in this vehicle is particularly sensitive to fluid degradation. The 6R80 transmission is a robust unit, but it can develop shudder or harsh shifting issues if the fluid becomes contaminated or loses its frictional properties over time. Using a synthetic automatic transmission fluid that resists oxidation and thermal breakdown helps maintain the integrity of the clutch packs and seals, extending the life of the transmission. Furthermore, the differential gears are subject to high pressure and sliding friction. Standard mineral gear lubes can break down under extreme pressure, leading to pitting and gear wear. AMSOIL SEVERE GEAR provide a protective film that withstands these pressures, reducing operating temperatures and preventing rust.
Another critical aspect of maintaining this vehicle is the cooling system. The Transit-150 often operates in high-load conditions that generate significant heat. Over time, conventional coolants can become acidic and lose their ability to protect aluminum engine components and copper solder joints. A high-performance antifreeze like AMSOIL’s OAT formulation prevents corrosion without the additives that can gel or clog narrow cooling passages, ensuring the engine stays within optimal temperature ranges. For fleet owners or individual operators who value reliability, the difference between a vehicle that requires frequent fluid changes and one that can run longer between services is substantial. By using the correct synthetic lubricants, you are not just protecting components; you are preserving the vehicle’s value and performance capabilities over the long term.
Vehicle Background
The 2018 Ford Transit-150 represents a significant evolution in the North American light commercial van segment. Launched by Ford Motor Company to replace the legacy E-Series cutaway and Econoline line, the Transit-150 was built on a modern platform designed from the ground up for utility and efficiency. The vehicle originates from a global manufacturing program, with production occurring in the United States at the Kansas City Assembly Plant and in Europe at the Dunton plant in the UK. This dual-origin strategy allowed Ford to offer a vehicle that combined European engineering rigor with North American market requirements.
Powered by the 3.7L V-6 engine (often referred to as the Cyclone V-6) for this specific configuration, the Transit-150 offers a balance of torque and horsepower suitable for urban delivery routes and highway cruising alike. While later model years introduced EcoBoost turbocharged engines and diesel options, the naturally aspirated 3.7L V-6 remained a staple for its simplicity, proven reliability, and cost-effectiveness. The engine family is known for its robust internal components and compatibility with various fuels, including Flex Fuel variants that can run on E85 ethanol. In terms of market position, the Transit-150 filled a gap between the smaller cargo vans and the heavier-duty Super Duty chassis cabs, offering a versatile option for small businesses and tradespeople.
Owners of the 2018 Transit-150 appreciate the vehicle’s spacious interior, high roof options, and low loading height, which facilitate easy cargo access. The driving character is generally described as comfortable and stable, with a focus on utility rather than sporty handling. It serves as a backbone for many industries, from plumbing and electrical services to food delivery and healthcare logistics. The platform’s modularity allows for custom upfitting, making it a favorite for fleet managers looking to customize vehicles for specific needs.
Despite its robust design, the Transit-150 is not without its common challenges, many of which can be mitigated with high-quality synthetic lubricants. One prevalent issue involves timing chain tensioners, which can sometimes fail or rattle due to oil starvation or sludge accumulation in the high-mileage range. Using a high-performance AMSOIL 100% Synthetic High-Mileage Motor Oil with excellent flow characteristics at startup can help ensure these tensioners remain pressurized and functional. Another area of concern is the variable valve timing (VVT) solenoids; debris in the oil can cause these solenoids to stick, leading to rough idling or check engine lights related to camshaft timing. AMSOIL Extended-Life and other AMSOIL formulations help keep the oil cleaner for longer, reducing the likelihood of these solenoids fouling. Additionally, some owners report early rust on chassis components, particularly in regions with harsh winters. The use of AMSOIL SEVERE GEAR and protective sprays like AMSOIL MP Metal Protector or AMSOIL Heavy-Duty Metal Protector can help mitigate corrosion on exposed differential and suspension components. Finally, transmission shudder or harsh shifting can occur as the fluid ages, which is a common issue in this transmission type; using a fluid specifically designed to maintain friction modifiers and resist oxidation, such as AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid, can help maintain smooth operation and prevent premature transmission wear.
By understanding the specific needs of the 2018 Ford Transit-150 and selecting the appropriate AMSOIL products, vehicle owners can ensure their investment remains reliable and efficient for years to come. Whether you are a professional fleet operator or a weekend warrior, the right lubricants make all the difference in the longevity of your vehicle.