Maintaining the 2022 Ram 3500 Pickup with its robust 6.4L Hemi V8 engine requires precise lubrication to handle the demands of towing, hauling, and heavy-duty use. This powerful truck places significant stress on its engine and drivetrain components, making the selection of high-quality synthetic fluids essential for longevity and performance. Using the correct viscosities and specifications ensures that critical parts remain protected against wear, sludge, and extreme temperatures, whether the truck is idle or under full load.
Recommended AMSOIL Products
- AMSOIL Signature Series 0W-40 100% Synthetic Motor Oil – The optimal choice for this engine, providing superior protection against horsepower loss and wear for up to 25,000 miles.
- WIX Oil Filter – Features premium media that offers improvements over original equipment manufacturer filters to ensure clean oil flow.
- WIX Air Filter – Designed to work with the Signature Series oil to maximize engine cleanliness and performance.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A 50/50 pre-mixed formulation that protects cooling system metals and lasts up to 150,000 miles.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated option for heavy-duty applications offering extended protection up to 1,000,000 miles.
- AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Withstands heavy towing, elevated temperatures, and challenging terrain while remaining fluid in sub-zero conditions.
- AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – A cost-effective option that resists sludge and promotes smooth, shudder-free shifts.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Formulated for fuel economy while still providing reserve protection during heavy use.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Protects against wear and ensures reliable performance for fuel-efficient driving.
- AMSOIL SEVERE GEAR® 75W-85 100% Synthetic Gear Lube – Ideal for front and rear differentials with limited slip applications, controlling thermal runaway and extending equipment life.
- AMSOIL SEVERE GEAR® 75W-140 100% Synthetic Gear Lube – Specifically recommended for rear limited slip differentials requiring higher viscosity to handle extreme loads.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Provides excellent ABS and traction-control responsiveness with stable viscosity across a wide temperature range.
Engine oil is the lifeblood of your 6.4L Hemi V8, and this engine specifically requires synthetic oil to meet manufacturer specifications. The recommended capacity for the 2022 Ram 3500 with the 6.4L engine is 7 quarts when including the filter change. Maintaining this fluid level is critical, as the torque specification for the drain plug is 25 ft/lbs. Using AMSOIL Signature Series 0W-40 ensures that the engine receives 75% more protection against horsepower loss and wear compared to standard oils. This synthetic formulation is particularly beneficial for heavy-duty applications where the engine faces constant stress from towing or hauling heavy loads. The oil provides consistent viscosity control in extreme temperatures, ensuring the engine starts smoothly in winter and remains protected during summer heat. For vehicles with the AS66RC transmission, a total fill of 13.7 quarts is required, while the 8HP75 transmission requires a total fill of 9 quarts. The initial fill for these transmissions is approximately 7.2 quarts. Proper transmission fluid helps prevent shuddering and ensures smooth gear engagement, which is vital for a heavy-duty truck like the Ram 3500.
Beyond the engine and transmission, the cooling system plays a crucial role in maintaining performance. The 2022 Ram 3500 holds 16.6 quarts of coolant. AMSOIL Passenger Car & Light Truck Antifreeze & Coolant is a unique poly-organic acid (OAT) formulation designed to exceed OEM requirements and protect all cooling system metals, gaskets, and hoses. It is phosphate-, nitrate-, nitrite-, silicate-, borate-, and amine-free, ensuring compatibility with the vehicle’s cooling components. For those seeking maximum longevity, the AMSOIL Propylene Glycol Antifreeze and Engine Coolant offers a concentrated option that can last up to 150,000 miles or 5 years in passenger cars and light trucks. This coolant also provides protection in heavy-duty applications for up to 1,000,000 miles or 8 years. The differential lubricants are equally important, especially for limited-slip differentials. For the front limited slip differential (235 AA and 267 AA), a 75W-85 gear lube is recommended, with capacities of 4.8 and 4.4 pints respectively. The rear differentials require specific attention based on the model; the 292 AA with a limited slip rear differential requires 8.8 pints, while the 305 AAM Banjo rear limited slip requires 12.7 pints. AMSOIL SEVERE GEAR® 75W-85 contains friction modifiers specifically designed for limited-slip applications, helping to prevent chattering and wear. For the 305 AAM MTW/DRW rear limited slip differential, a 75W-140 grade is required with a capacity of 8.9 pints. The transfer case, depending on the specific model (BW 44-46, BW 44-47, BW 44-48, or BW 44-49), requires 3.8 pints of fluid. Filling to the bottom edge of the fill plug opening and torquing the plugs to the specified 15-22 ft/lbs or 18 ft/lbs ensures proper sealing and operation.
Fuel additives and stabilizers can also play a significant role in the overall health of the vehicle. For owners who may store their vehicle or want to maximize engine efficiency, AMSOIL P.i. Performance Improver is a powerful gasoline additive that restores up to 14% horsepower and cleans fuel injectors. This is particularly useful for GDI engines where carbon buildup can become an issue. When the vehicle is not in use, such as during winter storage, using AMSOIL Gasoline Stabilizer helps keep the fuel fresh for up to 12 months, preventing varnish and gum buildup. For long-term storage, AMSOIL Engine Fogging Oil can be used to protect internal engine components from rust and corrosion. These additives work in tandem with the primary lubricants to ensure that the 2022 Ram 3500 is ready to perform at its best whenever the key is turned.
About the Vehicle
The 2022 Ram 3500 Pickup is a heavy-duty workhorse designed for those who demand serious capability from their truck. Built on the robust CD platform, it represents the pinnacle of Ram’s heavy-duty lineup, intended for both commercial fleets and serious recreational users who need to tow trailers, haul fifth wheels, or navigate demanding off-road conditions. The model is particularly noted for its powerful engine options, including the naturally aspirated 6.4L Hemi V8 examined here, which delivers strong torque and reliable power delivery. The 3500 series is often chosen for its dual-wheel rear axle options (DRW), which provide exceptional stability and weight distribution when handling heavy payloads.
Owners of the 2022 Ram 3500 typically value the vehicle for its blend of raw power and advanced technology. The truck offers a comfortable interior that rivals many luxury vehicles, complete with high-quality materials and modern infotainment systems. The driving character is confident and reassuring, whether navigating city streets or traversing rough terrain. The suspension is tuned to handle the rigors of heavy towing, providing a ride that remains composed even when the bed is loaded. The brand’s reputation for durability and customer loyalty is well-earned, with the Ram 3500 often competing directly with the Ford F-350 and Chevrolet Silverado 3500 in the heavy-duty segment.
While the 2022 Ram 3500 is a highly capable vehicle, owners should be aware of common issues that can arise with heavy use. One known problem is the potential for transmission shudder or harsh shifting, particularly in the automatic transmissions which can suffer from sludge buildup over time. This is where the use of high-quality synthetic transmission fluids like AMSOIL becomes a critical preventative measure. Another issue is the susceptibility of the cooling system to overheating under extreme load, which can lead to gasket failures or warped components; using a high-performance coolant helps mitigate these risks by maintaining optimal operating temperatures. Additionally, owners of heavy-duty trucks often face challenges with limited-slip differential noise or chatter, which is exacerbated by friction and heat. The specialized friction modifiers in AMSOIL SEVERE GEAR® lubricants are designed to specifically address this issue, ensuring smoother operation and reduced wear. Finally, the 6.4L Hemi engine, while powerful, can experience carbon buildup on the intake valves, especially in GDI applications, which can lead to reduced performance and rough idling. The use of fuel system cleaners and proper lubrication strategies can help mitigate this buildup, extending the life of the engine and maintaining peak efficiency. By addressing these known areas of concern with premium lubricants, Ram 3500 owners can maximize the lifespan and performance of their investment.