Differentials, Transfer Cases & Axles: When and What to Service

If you drive a Land Rover or Jaguar, you already know these vehicles are built for performance, comfort, and capability. But beneath the refined driving experience lies a sophisticated drivetrain system — made up of differentials, a transfer case, and axles — that ensures power and control reach every wheel efficiently.

These components are essential to your vehicle’s handling, off-road ability, and long-term reliability. Regular servicing helps keep them performing as designed — and prevents costly breakdowns.

In this article, the experts at TRS Automotive explain what these components do, when to service them, and what warning signs to look out for.

 Understanding the Key Components

1. Differentials

The differential allows your wheels to rotate at different speeds — especially when turning corners. Most Land Rovers and some Jaguars feature front, centre, and rear differentials, depending on the model and drivetrain setup.

Why it matters:
Differentials rely on high-quality gear oil for lubrication. Over time, this oil breaks down and collects metal particles, increasing friction and wear. Neglecting differential maintenance can lead to overheating and, ultimately, expensive repairs.

2. Transfer Case

The transfer case distributes engine power between the front and rear axles in four-wheel-drive (4WD) or all-wheel-drive (AWD) systems. In advanced Land Rover drivetrains, it also works with traction control systems to optimize grip and stability.

Why it matters:
Transfer case fluid keeps internal gears and chains lubricated. Old or contaminated fluid can cause rough engagement, strange noises, or even failure of internal components.

3. Axles

Your axles transmit torque from the differential to the wheels. They endure heavy loads and rotational stress — especially in off-road or towing conditions.

Why it matters:
Axle seals and bearings can wear out, leading to leaks and vibrations. Regular inspections can prevent major damage and ensure a smoother, quieter ride.

 When to Service Differentials, Transfer Case & Axles

Exact intervals depend on your model, driving style, and conditions, but here’s a reliable general guideline for Land Rover and Jaguar vehicles:

ComponentRecommended Service IntervalService Type
Differential FluidEvery 50,000–80,000 kmDrain and replace fluid; inspect for leaks or metal debris
Transfer Case FluidEvery 60,000–100,000 kmReplace fluid; inspect seals, sensors, and engagement system
Axle InspectionEvery 40,000 kmCheck for leaks, worn seals, or damaged boots and bearings

Pro Tip:
If you frequently go off-road, tow trailers, or drive in harsh weather, consider servicing these components 10,000–20,000 km sooner than recommended.

 Warning Signs That Service Is Due

Watch for these common symptoms — they often indicate your drivetrain needs attention:

  • Whining, humming, or grinding noises from under the vehicle

  • Vibrations or shuddering when accelerating or turning

  • Difficulty shifting between 2WD, 4WD, or AWD modes

  • Visible fluid leaks underneath the vehicle

  • Unusual tyre wear or traction issues

If you experience any of these, don’t delay — early inspection can prevent costly damage to drivetrain components.

 Why Choose TRS Automotive

At TRS Automotive, we specialise exclusively in Land Rover and Jaguar vehicles. Our technicians understand the precise demands of these British-built machines and use genuine or OEM-approved fluids and parts for every service.

Whether you drive a Range Rover, Defender, Discovery, F-PACE, or XF, our workshop is equipped with factory-level diagnostic tools and expert technicians who ensure your drivetrain performs at its best.

Our promise: Exceptional care, honest advice, and reliable performance for years to come.

 Book Your Service Today

Preventative maintenance saves time, money, and hassle. Don’t wait for a warning light or strange noise — keep your Land Rover or Jaguar in peak condition with a drivetrain service from TRS Automotive.

 📞 Call us at 403-769-1700
📧 Email: service@trsauto.ca
📍 Visit: 5035 12A St SE, Calgary AB T2G 5L5
🌐 Book online: Click here to request your appointment!


Your vehicle deserves the expertise of true specialists.

 About TRS Automotive

TRS Automotive is a trusted independent Land Rover and Jaguar specialist, offering expert diagnostics, maintenance, and repairs. We proudly serve Calgary, providing dealership-quality workmanship with personalised customer care.