Maintaining the longevity and performance of your 2018 Jeep Cherokee equipped with the 3.2-liter V6 engine requires a precise selection of high-quality lubricants and fluids. The 3.2-liter Pentastar engine, known for its balance of power and efficiency, demands oils that can withstand the thermal stress of driving while providing superior protection against wear. Proper lubrication ensures that the engine’s internal components, such as pistons, valves, and the oil filter if equipped, operate with minimal friction. Additionally, the nine-speed automatic transmission and the cooling system rely on specific fluid formulations to handle the unique engineering tolerances of this vehicle. Using the correct AMSOIL products guarantees that your Cherokee receives the maximum possible protection, extending service intervals and maintaining peak efficiency in all driving conditions.
Recommended AMSOIL Products
- AMSOIL Signature Series 5W-20 100% Synthetic Motor Oil – Offers the highest level of protection with guaranteed performance for up to 25,000 miles or one year, providing 75% more resistance against horsepower loss and wear.
- AMSOIL Extended-Life 5W-20 100% Synthetic Motor Oil – Delivers 37% more cleaning power to keep the engine running smoother, with guaranteed protection for up to 20,000 miles between changes.
- AMSOIL OE 5W-20 100% Synthetic Motor Oil – A cost-effective choice that fights sludge and deposits, providing protection against LSPI and meeting OEM requirements for regular service intervals.
- AMSOIL 5W-20 100% Synthetic High-Mileage Motor Oil – Formulated specifically for engines with over 75,000 miles, featuring boosted detergents and reduced sludge by 67% to help older engines perform better.
- AMSOIL Oil Filter EA15K19 – Provides 99 percent filtering efficiency at 20 microns, allowing lower restriction to keep parts lubricated and offering extended service life.
- WIX Oil Filter WL10010 – A premium filter option that offers improvements over standard OEM-branded filters, utilizing advanced media for better protection.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Withstands heavy towing and elevated temperatures while remaining fluid in sub-zero conditions for the nine-speed transmission.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – A reliable choice for protecting the transmission against wear while maintaining fuel efficiency.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – An ethylene glycol 50/50 pre-mix formulation that protects all cooling system metals and hoses for up to 150,000 miles or 5 years.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated option that greatly surpasses standards for corrosion and erosion, compatible with all coolant colors.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Ensures excellent ABS and traction-control responsiveness with stable viscosity over a wide temperature range.
The 2018 Jeep Cherokee represents a pivotal model in Jeep’s lineup, combining the brand’s legendary off-road capabilities with a modern, car-like driving experience. Equipped with the 3.2-liter Pentastar V6 engine, this crossover SUV delivers a smooth and responsive powertrain that is well-suited for both daily commuting and weekend adventures. The 3.2-liter engine produces ample torque, making it a versatile choice for drivers who need to haul cargo or navigate challenging terrain without sacrificing fuel economy. The interior of the Cherokee is designed with a focus on practicality and comfort, offering a spacious cabin that can comfortably accommodate passengers and gear. Its available four-wheel-drive systems, particularly the Quadra-Trac and Quadra-Drive II options, provide excellent traction in various weather conditions, making it a popular choice for families and outdoor enthusiasts alike.
The platform used for the Cherokee is built on a unibody construction, which contributes to a refined ride quality often found in mid-size SUVs. This architecture helps reduce noise, vibration, and harshness, allowing the vehicle to handle road imperfections with ease while maintaining a stable footprint on the pavement. The design emphasizes efficiency, with aerodynamic features that help lower drag coefficients compared to its predecessor. Owners appreciate the Cherokee for its versatility, as it transitions seamlessly from a city commuter to an off-road explorer depending on the selected trim and options. The market position of the Cherokee as a compact crossover SUV has been strong since its introduction, appealing to drivers who want a capable vehicle without the bulk of a traditional truck-based SUV.
However, like any complex mechanical system, the 2018 Jeep Cherokee benefits significantly from high-performance lubrication to address known operational characteristics. One common issue observed in this generation of the Pentastar engine is the potential for spark plug fouling and carbon buildup on intake valves, which can lead to rough idling and reduced fuel economy over time. Regular use of AMSOIL motor oil, particularly those with enhanced cleaning properties, helps mitigate these deposits and keeps the engine running smoothly for longer intervals between services. Another area of concern for owners is the longevity of the cooling system, where leaks or premature degradation of gaskets can occur. The use of AMSOIL Passenger Car & Light Truck Antifreeze & Coolant or AMSOIL Propylene Glycol Antifreeze, formulated to exceed OEM requirements, provides robust protection against corrosion and erosion, ensuring the cooling system remains sealed and efficient.
Furthermore, the nine-speed automatic transmission, while advanced, can be sensitive to fluid breakdown under heavy towing or extreme temperature conditions. Owners who engage in towing or spirited driving may experience premature wear on transmission clutches if the fluid degrades too quickly. AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid is engineered to withstand these rigors, maintaining its viscosity and lubricating properties even under high stress. Finally, brake fade and moisture absorption in the brake system are common concerns in any vehicle, but the synthetic nature of AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid helps maintain a consistent brake pedal feel and prevents boiling points from dropping in extreme heat. By addressing these specific maintenance needs, owners can extend the service life of their Cherokee and keep it performing at its best, whether navigating city streets or tackling off-road trails.
In conclusion, ensuring that your 2018 Jeep Cherokee with the 3.2L engine is equipped with the right fluids is a critical step in preserving its performance and reliability. The recommendations provided cover all essential lubrication points, from the engine and transmission to the cooling and braking systems. By selecting the appropriate AMSOIL products, you are making an investment in the long-term health of your vehicle. These synthetically formulated lubricants offer superior protection against wear, sludge, and thermal degradation, allowing for extended service intervals and reduced operating costs. Whether you choose the Signature Series for maximum protection or the OE line for cost-effective reliability, you can be confident that your Cherokee will be protected against the rigors of daily driving and extreme conditions.