Keeping your 1985 Chrysler Lebaron running smoothly requires more than just a full tank of gas; it demands the correct lubricants and fluids for its specific mechanical needs. The 2.2L 4-cylinder engine code [E] E Turbo variant of this classic vehicle has unique requirements, particularly regarding thermal management and filtration, to handle the stresses of turbocharging and aging components. Using the right oils and filters not only extends the life of the engine but also ensures smooth shifting in the transmission and reliable braking performance. Proper maintenance of these systems is crucial for maintaining vehicle safety, fuel efficiency, and overall driving pleasure.
Recommended AMSOIL Products
For the 1985 Chrysler Lebaron with the 2.2L Turbo engine, the following AMSOIL products provide the specific protection required by this vehicle’s design.
- AMSOIL 5W-40 FS 100% Synthetic European Motor Oil – Engineered for the unique demands of this vehicle, this oil features a precise blend of synthetic base oils and premium additives designed for European-style engines.
- AMSOIL 5W-40 MS 100% Synthetic European Motor Oil – A high-performance alternative that offers extended protection and superior wear resistance for the turbocharged engine.
- AMSOIL Oil Filter – Provides 99 percent filtering efficiency at 20 microns, helping to reduce engine wear and remove contaminants more effectively than standard filters.
- WIX Oil Filter – A premium alternative offering improvements over original equipment manufacturer-branded filters.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A unique poly-organic acid formulation that protects cooling system metals, gaskets, and hoses for up to 150,000 miles.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated option engineered to exceed original equipment manufacturer requirements for metallic corrosion protection.
- AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Withstands the rigors of heavy towing and elevated temperatures while remaining fluid in sub-zero conditions.
- AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Protects against wear and sludge while promoting smooth, shudder-free shifts for automatic transmissions.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Delivers excellent ABS and traction-control responsiveness with a stable viscosity over a wide temperature range.
- AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid – Reduces friction and helps seals remain soft to prevent leaks, formulated for quiet operation.
Essential Engine Oil and Filtration
The heart of the 1985 Chrysler Lebaron is its 2.2L engine. For the specific [E] E Turbo configuration, maintaining proper oil pressure and lubrication is paramount. The engine requires a 5-quart capacity (including filter change) of high-quality lubricant to handle the increased thermal stress generated by the turbocharger. Standard mineral oils may break down under the high temperatures associated with turbocharged operation, leading to increased wear on critical components like bearings and camshafts.
When choosing an oil grade, AMSOIL recommends specific European formulas tailored to these engines. The AMSOIL 5W-40 FS 100% Synthetic European Motor Oil is designed to meet the precise demands of gasoline and diesel engines, including those in European vehicles. It features a blend that resists breakdown and protects against high-temperature sludge formation. Similarly, the AMSOIL 5W-40 MS 100% Synthetic European Motor Oil offers another robust option for this vehicle, providing extended service intervals and superior cleaning properties to keep the engine internals free of deposits.
Filtration is equally critical. As oil circulates through the engine, it picks up microscopic metal particles, soot, and sludge. A high-quality filter traps these contaminants before they can cause abrasive damage. The AMSOIL Oil Filter (EA15K51-EA) is rated for 99 percent efficiency at 20 microns. This high level of filtration ensures that even small, wear-causing contaminants are captured. The filter also offers greater capacity for contaminants compared to competing brands, allowing it to hold more dirt over time. Alternatively, the WIX Oil Filter (51348-EA) is a compatible option that offers premium media with improvements over original equipment manufacturer-branded filters, ensuring reliable protection during service intervals.
During an oil change, it is important to note the capacity requirements. The system holds 5.1 quarts when the filter is replaced. After refilling, the oil level must be checked to ensure it is within the proper range on the dipstick. The oil drain plug should be torqued to 20 ft/lbs to prevent leaks or stripped threads. Viscosity selection should be based on ambient temperatures, with the 5W-40 grade recommended for broad temperature performance below 38°C.
Transmission and Cooling System Care
The transmission system in the Lebaron requires specific attention, particularly if it is equipped with an automatic transmission such as the A413(31TH) or A470(31TH). These units have a total fill capacity of 8.9 quarts, though an initial fill may only require 4 quarts. Using a fluid that can withstand severe service conditions is vital for longevity. The AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid provides exceptional protection against the rigors of heavy towing and elevated temperatures. It remains fluid in sub-zero conditions, ensuring reliable performance in cold climates while resisting viscosity breakdown in extreme heat. For those seeking a reliable OE-style performance, the AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid guards against leaks and promotes smooth, shudder-free shifts, extending the life of the transmission bands and clutches.
The cooling system is the lifeblood of the engine’s thermal management, especially for a turbocharged vehicle where heat rejection is critical. The 1985 Lebaron requires a coolant capacity of approximately 9 quarts. Over time, standard coolants can degrade, leading to corrosion, scaling, and eventual overheating. AMSOIL Passenger Car & Light Truck Antifreeze & Coolant utilizes a unique poly-organic acid (OAT) formulation that protects all cooling system metals, gaskets, and hoses. It is phosphate-free and compatible with all other antifreeze colors, making it versatile for various service scenarios. For those preferring a concentrate, the AMSOIL Propylene Glycol Antifreeze and Engine Coolant offers protection up to 150,000 miles or 5 years. It is engineered to greatly surpass standards for metallic corrosion and erosion, ensuring the engine operates at optimal temperatures year-round.
Braking, Steering, and Seasonal Protection
Safety systems must be in peak condition for reliable operation. The hydraulic brake fluid in the Lebaron must meet specific standards, such as MS-4574. The AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid is an excellent choice for this application. It provides superior ABS and traction-control responsiveness due to its stable viscosity across a wide temperature range. This synthetic formulation resists boiling and moisture absorption better than conventional fluids, maintaining consistent pedal feel in both hot and cold conditions.
Power steering systems also benefit from synthetic lubrication. The AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid is formulated for quiet operation and strong anti-wear protection. It helps seals remain soft to prevent leaks, a common issue in older vehicles, and resists heat for a long fluid life. This ensures the steering remains responsive and the pump operates smoothly without excessive noise or wear.
For vehicle owners who utilize the Lebaron seasonally, or plan to store the vehicle for extended periods, protecting internal components is essential. The AMSOIL Gasoline Stabilizer helps keep fuel fresh for up to 12 months, preventing varnish and gum buildup while fighting ethanol corrosion. This is ideal for seasonal equipment like the Lebaron when it is not being driven. Additionally, the AMSOIL Engine Fogging Oil provides a highly-effective rust preventive for internal engine components, protecting them during storage or long periods of inactivity.
Performance Enhancers and Maintenance
To maximize the performance of the 2.2L engine, fuel system cleanliness is paramount. Carbon deposits can accumulate on injectors and intake valves, reducing efficiency and power. The AMSOIL P.i.® Performance Improver Gasoline Additive is designed to restore up to 14% horsepower and return GDI fuel injectors to 100% flow rate after just one tank of fuel. It also improves fuel economy and reduces the need for higher-octane fuel, while controlling pre-ignition knock. For older vehicles where upper cylinder lubrication might be beneficial, the AMSOIL Upper Cylinder Lubricant Corrosion Inhibitor lubricates the fuel system and upper cylinders, helping to prevent wear and corrosion.
Maintenance extends beyond just fluid replacement. Keeping the vehicle clean and protected from the elements helps preserve its finish. The AMSOIL High-Foam Car Shampoo offers a hard-on-dirt, gentle-on-coatings formula that breaks down contaminants without damaging wax or sealants. For interior care, the AMSOIL Interior Detailer – Light Lemon and AMSOIL Interior Detailer – Scent Free provide multi-surface cleaning with 90-day UV protection and odor elimination. To protect the exterior, the AMSOIL Exterior Ceramic Spray offers rapid water shedding and UV protection with no cure time required. For those facing rust or corrosion concerns, the AMSOIL Heavy-Duty Metal Protector and AMSOIL MP Metal Protector provide strong anti-corrosion defenses, displacing water and freeing frozen components.
By integrating these specialized fluids and additives into your maintenance routine, you ensure that your 1985 Chrysler Lebaron receives the protection it needs to perform reliably. Whether you are tackling long-distance drives, short commutes, or seasonal storage, the right AMSOIL products provide the foundation for a well-maintained classic vehicle.
About the Vehicle
The 1985 Chrysler Lebaron represents a significant era in American automotive history, particularly within the Chrysler lineup. This model year sits at the transition point where Chrysler was revamping its design language and moving toward more modern, fuel-efficient engineering while maintaining its reputation for comfort. The Lebaron nameplate was one of the most popular models for Chrysler in the 1980s, available in various body styles including a coupe, convertible, and sedan, often sharing platforms with the Dodge Aries and Plymouth Reliant to keep production costs efficient.
The specific 2.2L engine mentioned, particularly the turbocharged variant, was a powerhouse for its time. Introduced as one of the first mass-produced turbocharged four-cylinder engines, it offered a surprising amount of horsepower and torque that rivaled larger V6 engines of the era. This engine family was renowned for its ability to deliver strong acceleration without the weight penalty of a V-engine, making the Lebaron a surprisingly nimble and spirited drive. The “E” engine code designation identifies the specific turbocharged configuration, which was designed to handle higher pressures and temperatures, requiring robust lubrication and cooling systems.
Owners of this vehicle often value its blend of classic 80s styling and the punchy performance of the turbocharged powertrain. While the technology has aged, the engineering principles behind the 2.2L Turbo remain sound, provided the vehicle is maintained with high-quality fluids. The Lebaron’s interior typically offered a comfortable, well-appointed environment for its passengers, with leather interiors and advanced (for the time) amenities becoming available on higher trim levels. It was a vehicle designed for the American family, offering a balance of practicality and a touch of luxury that appealed to a wide demographic in the mid-1980s. Preserving the condition of a 1985 Lebaron today is a popular pursuit for enthusiasts who appreciate the blend of retro design and the distinct character of turbocharged four-cylinder driving dynamics.