The 2007 Jaguar XJR with the 4.2L V8 engine is a sophisticated grand tourer that demands premium maintenance to preserve its performance and longevity. This vehicle features a high-performance naturally aspirated engine code 4196cc 5 that operates under significant thermal and mechanical stress. Proper lubrication is not merely a maintenance task; it is a critical requirement for preventing premature wear, managing heat in the dense aluminum components, and ensuring the automatic transmission shifts smoothly over the life of the vehicle. Using the correct viscosity and quality of fluids is essential for maintaining the engineering integrity of this luxury sedan.
Recommended AMSOIL Products
AMSOIL offers a complete range of synthetic lubricants and filters designed to exceed the rigorous standards of this Jaguar. The following products are recommended based on the vehicle’s specific factory requirements and capacity needs.
- AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil – Offers superior protection against horsepower loss and wear, designed for up to 25,000 miles of guaranteed protection between changes.
- AMSOIL Extended-Life 5W-30 100% Synthetic Motor Oil – Provides 37% more cleaning power to keep the engine running smoother and delivers up to 20,000 miles of guaranteed protection.
- AMSOIL OE 5W-30 100% Synthetic Motor Oil – An affordable option that fights sludge and deposits with 100% synthetic formulation and protects turbochargers effectively.
- AMSOIL 5W-30 100% Synthetic High-Mileage Motor Oil – Specifically formulated for vehicles with over 75,000 miles, featuring enhanced anti-wear additives and boosted detergents to reduce sludge.
- WIX Oil Filter – A premium filter that offers improvements over original equipment manufacturer-branded filters, ensuring optimal oil flow and filtration.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Withstands heavy towing, elevated temperatures, and challenging terrain while providing reserve protection during heavy use.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – A cost-effective option that protects against wear and promotes smooth, shudder-free shifts.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A 50/50 pre-mix formulation that protects cooling system metals, gaskets, and hoses for up to 150,000 miles.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated formula that requires mixing and offers protection up to 150,000 miles or 5 years.
- 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.
Engine Oil Specifications and Capacities
The heart of the 2007 Jaguar XJR is the 4.2-liter naturally aspirated V8 engine. To keep this high-output engine running at its peak, AMSOIL recommends using a 5W-30 viscosity grade for all temperature conditions. The engine oil capacity for this model is substantial, requiring 8 quarts when the oil filter is changed. After refilling the system, it is crucial to check the oil level to ensure proper lubrication. The oil drain plug requires a torque of 18 ft/lbs to ensure a secure seal without damaging the aluminum housing. AMSOIL Signature Series 5W-30 is the top recommendation for drivers seeking the ultimate in protection against horsepower loss and wear, with a guaranteed service interval of up to 25,000 miles or one year. For those looking for high-performance cleaning, the AMSOIL Extended-Life 5W-30 offers superior cleaning power to help the engine run smoother for longer. The AMSOIL OE 5W-30 is an excellent choice for standard maintenance, fighting sludge and deposits while protecting sensitive components. If your XJR has high mileage, the AMSOIL High-Mileage 5W-30 is the ideal solution, containing unique chemistry and enhanced detergents to help older engines perform better and last longer.
Transmission and Fluid Maintenance
Transmission health is just as critical as engine health in this luxury sedan. The 2007 Jaguar XJR utilizes a 6-speed automatic transmission (6HP26). When performing a complete fluid exchange, the total fill capacity is 10.6 quarts. While standard maintenance might only require a drain and fill, using a high-quality synthetic fluid is essential for the longevity of the transmission, especially under the stress of the XJR’s power output. AMSOIL Signature Series Fuel-Efficient Automatic Transmission Fluid is designed to withstand the rigors of heavy use, elevated temperatures, and challenging terrain. It remains fluid even in sub-zero temperatures, providing reserve protection during heavy use. The AMSOIL OE Fuel-Efficient Automatic Transmission Fluid offers a practical, cost-effective alternative that protects against wear and guards against leaks. Additionally, for power steering systems that require DEXRON-III Automatic Transmission Fluid, the AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid or the AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid serve as excellent multi-purpose solutions that provide smooth, shudder-free shifts.
Coolant, Brake Fluid, and Additives
Maintaining the cooling system is vital for preventing overheating, a common concern in older high-performance vehicles. AMSOIL Passenger Car & Light Truck Antifreeze & Coolant is a 50/50 pre-mix that offers protection for up to 150,000 miles or five years. It is engineered to exceed original equipment manufacturer requirements and is compatible with all other antifreeze colors. For those preferring a concentrated option, AMSOIL Propylene Glycol Antifreeze and Engine Coolant provides extensive protection against metallic corrosion and erosion, requiring mixing with distilled water. For braking performance, the AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid meets ISO 4925 Class 6 specifications and offers excellent responsiveness for ABS and traction control systems. To further enhance engine performance, AMSOIL P.i. Performance Improver can restore up to 14% horsepower and clean GDI fuel injectors. For vehicles that see less frequent use, AMSOIL Gasoline Stabilizer keeps fuel fresh for up to 12 months, preventing varnish and gum buildup during storage.
Vehicle Background
The 2007 Jaguar XJR represents the pinnacle of the X336 chassis generation, a model that bridged the gap between sports cars and luxury sedans. This particular year and trim level featured the legendary AJ-V8 engine, a 4.2-liter naturally aspirated powerplant that produced around 390 to 400 horsepower. The engine code 4196cc 5 denotes the specific variant installed in this high-performance sedan, known for its robust construction and smooth power delivery. The XJR was not just a badge-engineered luxury cruiser; it was engineered to handle, featuring a sophisticated independent suspension system, adaptive damping controls, and a sophisticated electronic throttle management system. It was designed to offer the comfort and refinement of a flagship saloon while retaining the agility of a sports car. The platform, based on the S-Type architecture but significantly strengthened and widened, became one of the most capable Grand Tourers of its time.
Owners of the 2007 XJR often appreciate its driving character, which blends a relaxed highway cruising demeanor with the ability to surge forward with impressive speed when the throttle is engaged. The car’s reputation is built on its ability to swallow miles in comfort while remaining a delight to drive on twisty backroads. The interior was designed with British luxury in mind, featuring high-quality leather, wood veneers, and a driver-focused cockpit. Over the years, the XJR has established a strong following among enthusiasts who value its blend of performance and elegance.
However, like any high-performance vehicle of this age, there are specific areas where synthetic lubricants provide a significant advantage. Owners of the 2007 XJR may encounter sludge buildup in the engine, particularly in oil galleries, which can lead to oil starvation and increased wear. AMSOIL synthetic oils are specifically formulated to fight this sludge, ensuring that oil reaches all critical engine components. Another common issue in this engine family is related to the timing chain tensioners, which can fail if oil quality degrades or if oil pressure is inconsistent. Using a high-quality synthetic oil with the correct additives helps maintain stable oil pressure and reduces the risk of timing chain stretch. Additionally, the automatic transmission in these vehicles can sometimes develop shudder or harsh shifting sensations, especially as the fluid ages. A complete fluid change with a premium synthetic transmission fluid can restore smooth shifting characteristics and protect the valve body from wear. Finally, older cooling systems in these vehicles are prone to corrosion and leaks, especially at the gaskets and hoses. AMSOIL antifreeze and coolant formulations are designed to protect these metals and rubber components, extending the life of the cooling system and preventing overheating issues that could lead to catastrophic engine failure.