Keeping your 2022 Subaru Crosstrek running at its peak requires fluids specifically engineered to handle the demands of its 2.0-liter FB20V4 engine. Proper lubrication ensures optimal performance, maximizes fuel economy, and extends the lifespan of critical components. This guide outlines the essential lubricants, filters, and additives designed for this vehicle, backed by independent testing and rigorous industry standards.
Recommended AMSOIL Products
- AMSOIL Signature Series 0W-20 100% Synthetic Motor Oil – The top-tier choice offering 25,000 miles of protection, superior wear reduction, and excellent sludge control for the FB20V4 engine.
- AMSOIL 0W-20 100% Synthetic Hybrid Motor Oil – Specifically formulated for hybrid powertrains to maximize fuel economy and provide enhanced corrosion protection with a 15,000-mile change interval.
- AMSOIL Extended-Life 0W-20 100% Synthetic Motor Oil – Delivers 20,000 miles of reliable protection with 37% more cleaning power to keep the engine running smoother for longer.
- AMSOIL OE 0W-20 100% Synthetic Motor Oil – A budget-friendly synthetic option that outperforms conventional oils and meets original equipment manufacturer specifications for up to 15,000 miles.
- AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil – Designed for engines with over 75,000 miles, featuring boosted detergents and anti-wear additives to reduce sludge by 67% and help engines last longer.
- AMSOIL Oil Filter (EA15K13-EA) – Provides 99% filtration efficiency at 20 microns and greater capacity for contaminants, extending service life in line with synthetic oil intervals.
- WIX Oil Filter (57055-EA) – A premium media filter offering improvements over OEM-branded filters, paired with OE motor oil for conventional mileage intervals.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A pre-mixed, phosphate-free formulation that protects cooling system metals and hoses for up to 150,000 miles or 5 years.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated option requiring mixing, offering extended protection up to 150,000 miles or 5 years in passenger cars and light trucks.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Withstands heavy towing, elevated temperatures, and challenging terrain while remaining fluid in sub-zero conditions.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Provides reliable wear protection for the automatic transmission with a focus on fuel efficiency and meeting OEM standards.
- AMSOIL SEVERE GEAR® 80W-90 100% Synthetic Gear Lube – Ideal for limited-slip applications, offering advanced protection against wear, rust, and corrosion while helping reduce operating temperatures.
- AMSOIL SEVERE GEAR® 75W-90 100% Synthetic Gear Lube – Controls thermal runaway and protects against rust, making it suitable for extreme conditions in both rear differentials and transfer cases.
- AMSOIL SEVERE GEAR® 75W-110 100% Synthetic Gear Lube – Offers superior load-carrying capacity and protection for differentials requiring heavier viscosity grades, controlling thermal runaway effectively.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Provides excellent ABS and traction-control responsiveness with stable viscosity over a wide temperature range.
The 2.0-liter FB20V4 engine in your Crosstrek is a naturally aspirated flat-four that relies heavily on consistent oil flow to manage its specific timing chain and valve train dynamics. Unlike turbocharged variants, this engine focuses on reliability and fuel efficiency, but it still demands a fluid that maintains its viscosity across extreme temperature fluctuations. Synthetic motor oils like the Signature Series or the Extended-Life formula are required by the manufacturer’s specifications, as conventional oils will not provide the necessary shear stability or deposit control for long-term engine health. When performing a service, you will need 4.6 quarts of oil when including an oil filter change. It is crucial to check the oil level after the refill and adhere to the torque specification of 31 ft-lbs for the oil drain plug to prevent leaks or damage to the oil pan.
Beyond the engine, the transmission system in the Crosstrek benefits significantly from a high-quality synthetic fluid. The Automatic Transmission Fluid (ATF) handles not just gear shifts but also the operation of the variable valve timing system in many modern Subarus. Using a fluid like the Signature Series Fuel-Efficient ATF or the OE alternative ensures that the transmission shifts smoothly under load, from steep inclines to daily highway commuting. The total fill capacity for the automatic transmission is 6.8 quarts. Regular fluid changes help prevent the sludge buildup and wear that can lead to costly repairs, ensuring the Continuously Variable Transmission (CVT) operates within its designed parameters for years to come.
For the drivetrain, the 2022 Crosstrek’s All-Wheel Drive system requires robust lubrication in the rear differential and transfer case. These components are subject to significant stress during off-road driving, which is a primary use case for this vehicle. SEVERE GEAR lubricants are engineered to withstand the high shear forces and thermal loads found in these systems. Whether you opt for the 75W-90 or 75W-110 grade depending on your specific gear configuration, the synthetic base fluid resists oxidation and protects against rust. The differential requires approximately 1.7 pints of gear lube. This protection is vital for maintaining the durability of the AWD system, which is a hallmark feature of the Crosstrek brand.
Engine cooling is another critical aspect of maintenance. The engine cooling system requires 8.5 quarts, and the inverter system requires an additional 3.6 quarts. AMSOIL’s antifreeze and coolant products, whether the pre-mixed Passenger Car & Light Truck Antifreeze & Coolant or the concentrated Propylene Glycol version, offer protection against corrosion and freezing. These formulations are phosphate-, nitrate-, and silicate-free, making them compatible with a wide variety of cooling system metals and gaskets. By using a high-quality coolant, you prevent the degradation of hoses and the formation of scale, which can restrict flow and cause the engine to overheat.
Additionally, the braking system in the Crosstrek should be maintained with a high-performance brake fluid. The DOT 3 and DOT 4 synthetic brake fluid offers a higher boiling point than standard fluids, ensuring consistent pedal feel and responsiveness even during aggressive driving. This stability is crucial for safety, particularly when the vehicle is loaded or being driven in hilly terrain. For drivers who store their vehicles seasonally or engage in extreme driving conditions, products like the Gasoline Stabilizer or Engine Fogging Oil provide an extra layer of defense against corrosion and degradation during periods of inactivity.
Vehicle Background
The 2022 Subaru Crosstrek stands as one of the most popular compact crossovers on the market, continuing a legacy that began when Subaru introduced the Outback Sport to the United States in 1995. The Crosstrek represents a unique blend of hatchback practicality, car-like handling, and rugged off-road capability. Based on the Subaru Impreza platform, the vehicle is powered by the FB20 engine, a 2.0-liter horizontally opposed “boxer” four-cylinder. This engine layout offers a low center of gravity, which enhances handling and stability, giving the Crosstrek a sportier driving character than many of its competitors. In the 2022 model year, the Crosstrek received a subtle refresh that updated the front grille and interior technology, while retaining the core mechanical components that have made the model a favorite among outdoor enthusiasts.
What sets the Crosstrek apart from standard compact SUVs is its generous ground clearance and standard Symmetrical All-Wheel Drive. This drivetrain delivers power to all four wheels for superior traction in snow, rain, and light off-road trails. This capability, combined with its fuel-efficient boxer engine, makes it an ideal choice for those who want a versatile daily driver that can handle weekend adventures in the wilderness. The vehicle typically comes equipped with a CVT (Continuously Variable Transmission) on the 2.0L model, which helps maximize fuel economy while providing smooth acceleration. The interior is designed with utility in mind, featuring durable upholstery and flexible cargo space that can accommodate gear for camping, skiing, or hiking.
Despite its reputation for reliability, the Subaru Crosstrek, like any vehicle, can encounter specific mechanical challenges over time. Owners and mechanics have noted that CVT transmission fluid degradation can occur if left unchanged, leading to shuddering or jerking during acceleration. Using a dedicated high-quality synthetic transmission fluid can mitigate this issue by maintaining the necessary friction characteristics for the belt and pulleys. Another common concern for Subaru owners involves the timing chains. While generally robust, timing chain stretch or tensioner failure can lead to noise and poor performance. High-quality synthetic oils with advanced wear additives help keep the timing components lubricated and can extend their service life. Furthermore, owners in snowy regions have reported that rust can develop on suspension components and undercarriage parts due to road salt exposure. The Crosstrek’s AWD system, particularly the differential and transfer case, can suffer from seal leaks or gear wear if not protected by heavy-duty synthetic gear lubes designed to resist corrosion.
Finally, carbon buildup on the intake valves and fuel injectors can reduce engine efficiency and power output over time, a common issue in modern direct injection engines. While the 2.0L FB engine is naturally aspirated, it still benefits from the use of fuel additives like AMSOIL P.i. Performance Improver. This additive can help restore injector flow and reduce carbon deposits, ensuring the engine continues to run smoothly and efficiently. By addressing these potential weak points with the correct AMSOIL lubricants, owners can keep their 2022 Crosstrek performing at its best, regardless of the driving conditions it faces.
In conclusion, selecting the right lubricants for your 2022 Subaru Crosstrek is not just about following a schedule; it is about protecting a sophisticated engineering package. Whether you choose the premium Signature Series or the OE line, the key is to use 100% synthetic products that meet or exceed the manufacturer’s requirements. By doing so, you ensure that your Crosstrek remains reliable, efficient, and ready for the road ahead.