Keeping your 2007 Jaguar S-Type 4.2L running smoothly requires more than just a quick trip to the gas station. This luxury sedan relies on high-quality lubricants to manage the thermal and mechanical stresses placed on its aluminum engine block and complex powertrain. Using the correct synthetic fluids ensures that your vehicle maintains its original performance characteristics, protects critical internal components from wear, and extends the service life of the engine, transmission, and cooling systems. Proper maintenance is the key to preserving the driving dynamics that make this Jaguar a favorite among enthusiasts.
Recommended AMSOIL Products
- AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil – The premier choice for maximum protection, offering 75% more defense against horsepower loss and wear while allowing for extended service intervals up to 25,000 miles.
- AMSOIL Extended-Life 5W-30 100% Synthetic Motor Oil – Ideal for those seeking a balance of high cleaning power and reliable protection, delivering 20,000 miles of guaranteed protection between oil changes.
- AMSOIL OE 5W-30 100% Synthetic Motor Oil – A cost-effective option that fights sludge and deposits with a 100% synthetic formulation, providing essential protection for high-mileage or budget-conscious drivers.
- AMSOIL 5W-30 100% Synthetic High-Mileage Motor Oil – Specifically engineered for vehicles with over 75,000 miles, featuring a unique chemistry that boosts detergent power and reduces sludge by 67%.
- WIX Oil Filter – Offers premium filtration media that outperforms original equipment manufacturer branded filters, ensuring contaminants are trapped effectively to protect your engine.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A pre-mixed ethylene glycol solution that provides up to 150,000 miles of protection and is free of phosphates, nitrates, and silicates to safeguard all cooling system metals.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated, environmentally friendlier option that requires mixing with water but offers up to 150,000 miles of corrosion and erosion protection.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Designed to withstand heavy towing and elevated temperatures, this fluid remains fluid in sub-zero conditions while protecting against wear.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – A reliable option for protecting against wear and maintaining smooth shifting performance in the 6-speed transmission.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Provides stable viscosity across a wide temperature range and excellent responsiveness for ABS and traction control systems.
- AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Excellent for use as a power steering fluid (DEXRON-III compatible), offering robust protection in harsh driving conditions.
- AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Promotes smooth, shudder-free shifts while guarding against leaks and harmful sludge buildup.
For the 2007 Jaguar S-Type with the 4.2L 8-cylinder engine (Engine Code 4196cc 5), the engine oil capacity is 6.9 quarts when performing a standard change with a filter replacement. After refilling, it is crucial to check the oil level to ensure the dipstick reads correctly. The oil drain plug should be torqued to 18 ft/lbs to prevent leaks while ensuring the plug is secure. The recommended viscosity for all temperatures is 5W-30, meeting the SL specification. This engine is a high-revving V8 that demands a fluid capable of handling extreme heat and maintaining a protective film under high stress. AMSOIL synthetic motor oils, such as the AMSOIL OE, are formulated to exceed these demands, ensuring that the engine remains clean and protected even under severe driving conditions.
Transmission maintenance is equally critical for this vehicle, which utilizes a 6-speed automatic transmission (6HP26). The total fill capacity for the transmission is 10.6 quarts. Regular fluid changes help prevent the degradation that leads to shudder, rough shifting, and eventual transmission failure. By using a high-performance synthetic transmission fluid like the AMSOIL Signature Series Fuel-Efficient, you ensure that the transmission fluid retains its viscosity and frictional properties longer than conventional fluids. This is particularly important for the electronic control solenoids inside the transmission, which rely on clean, stable fluid to operate correctly. The AMSOIL OE and OE Fuel-Efficient fluids are designed to withstand the heat generated during aggressive driving, towing, or stop-and-go traffic, extending the life of the transmission components.
Beyond the engine and transmission, the cooling system requires attention to prevent overheating and corrosion. The 4.2L Jaguar engine is aluminum, which is susceptible to corrosion if the coolant composition is not ideal. AMSOIL antifreeze and Propylene Glycol Antifreeze and Engine Coolant options provide excellent protection for aluminum components, preventing rust and scale buildup that can clog narrow cooling passages. Whether you choose the pre-mixed ethylene glycol or the concentrated propylene glycol, both options are formulated to be free of harsh chemicals like phosphates and silicates, which can sometimes damage water pumps and gaskets in older vehicles. Proper coolant maintenance ensures consistent operating temperatures, protecting the engine from thermal expansion issues and maintaining the efficiency of the heater core.
AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid is another often overlooked component that directly impacts safety. The Jaguar S-Type relies on a sensitive braking system that benefits from a fluid with a high boiling point to prevent vapor lock under hard braking. AMSOIL DOT 3 and DOT 4 synthetic brake fluid offers a stable viscosity regardless of temperature, ensuring that the brake pedal remains firm and responsive. This fluid also resists moisture absorption better than conventional fluids, maintaining its boiling point and preventing corrosion within the ABS modulators and calipers. Using a synthetic brake fluid is a proactive measure to ensure that your braking system remains reliable throughout the life of the vehicle.
For owners concerned with overall vehicle health and performance, fuel additives can play a significant role. The 4.2L V8 can benefit from the AMSOIL P.i.® Performance Improver Gasoline Additive, which helps restore up to 14% horsepower by cleaning fuel injectors and combustion chambers. Over time, carbon deposits can accumulate, particularly in gasoline direct injection (GDI) engines, leading to reduced efficiency and rough idling. This additive helps dissolve these deposits, restoring flow rates to 100% and improving fuel economy. Additionally, for vehicles that are stored seasonally, AMSOIL Gasoline Stabilizer keeps fuel fresh for up to 12 months, preventing varnish and gum buildup that can clog the fuel system. AMSOIL Engine Fogging Oil is another valuable addition for storage, coating internal components to prevent rust during long periods of inactivity.
About the Vehicle
The 2007 Jaguar S-Type represents a pivotal era in British automotive history, marking the transition period before the brand’s redesign into the XF. Known for its classic styling cues mixed with modern engineering, the S-Type was designed to compete with luxury sedans from Germany, such as the BMW 5 Series and Mercedes-Benz E-Class. The model line was originally produced at the Castle Bromwich plant in the UK, a facility that has long been the heart of Jaguar’s manufacturing operations. The 2007 model year specifically features the highly regarded 4.2-liter naturally aspirated V8 engine, a unit that was celebrated for its smooth power delivery and distinctive exhaust note.
This engine, often referred to as the AJ-V8, is a robust and reliable powerplant when maintained correctly. It produces a substantial amount of horsepower and torque, offering a driving character that blends refined luxury with sporty responsiveness. The S-Type’s interior was known for its high-quality materials, including leather upholstery and wood trim, providing a sophisticated environment for driver and passengers alike. The vehicle’s suspension tuning was generally considered a highlight, offering a comfortable ride that absorbed road imperfections while maintaining enough firmness to handle curves with confidence. This balance made the S-Type a favorite among drivers who wanted a car that was as enjoyable to drive as it was comfortable to sit in.
Despite its strengths, the 2007 Jaguar S-Type is not without its known issues that owners should be aware of. One common problem is related to the engine mount rubber, which can degrade over time, leading to excessive vibration and harshness being transferred into the cabin. Another frequent concern is the cooling system, specifically the plastic end tanks on the coolant tanks, which can crack and cause leaks due to the heat cycling the aluminum engine undergoes. Owners should also be vigilant about the ignition coils, as they are a wear item that can fail, resulting in misfires and rough running. Additionally, the electronic control units (ECUs) for the transmission and engine can develop software glitches or connector corrosion, leading to shifting issues or warning lights on the dashboard.
Using high-quality synthetic lubricants can be a proactive solution to many of these common problems. For instance, the engine mount issues are often exacerbated by the lack of proper lubrication or the vibration caused by an engine running hot or rough; a stable oil film from AMSOIL motor oil, such as the Extended-Life 5W-30, can reduce internal friction and heat, potentially prolonging the life of the engine components and reducing vibration. Regarding the cooling system, using a premium antifreeze with superior corrosion inhibitors, like the AMSOIL Passenger Car & Light Truck Antifreeze & Coolant, can help protect the metal components from degradation, reducing the likelihood of cracks caused by chemical corrosion and thermal stress. Furthermore, the stability of a high-performance synthetic transmission fluid can help smooth out the shifting behavior, masking minor sensor issues or ECU delays by ensuring the solenoids operate with clean, consistent fluid. While no fluid can fix a cracked tank or a broken mount, using the correct lubricants ensures that the mechanical systems that are functioning are operating at their peak efficiency, delaying the onset of more severe failures.
The 2007 S-Type remains a compelling choice for enthusiasts who appreciate the blend of traditional British luxury and modern performance engineering. It is a vehicle that rewards proper care with smooth, reliable operation and a driving experience that feels both substantial and agile. By sticking to a rigorous maintenance schedule and using the recommended AMSOIL products, owners can preserve the integrity of this classic luxury sedan. The commitment to using synthetic oils and filters means that the vehicle’s longevity is directly tied to the quality of the fluids used, making it a worthwhile investment for anyone looking to keep their Jaguar on the road for years to come.