Advanced DIY Project: Steering Rack Seal Replacement for Jaguar XJS

The steering rack of your Jaguar XJS is prone to leakage at three main points (excluding the hoses). Understanding these leakage points and addressing them promptly is crucial for maintaining your vehicle’s steering performance.

Leakage Points

1. Top of the Rack Tower: This is where the steering column connects to the rack. Leaks at this point can significantly impact steering functionality.

2. Inside the Rubber Boots (Ends of the Rack): These are located at each end of the steering rack. It’s crucial to understand that there should be no fluid inside these rubber boots. Their primary function is to keep dust and dirt out, not to contain fluid. If you find fluid here, it’s a clear indication that the seals are leaking and need replacement.

3. Cracked Rubber Boots: If your rubber boots are cracked, dirt and debris can enter, leading to damage and subsequent leakage of the rack seals.

Addressing the Problem

If you notice any power steering fluid leaking from these points, it’s time to renew the rack seals. This is an advanced DIY project and requires a meticulous approach.

DIY Resealing Approach

For those who are confident in their mechanical skills and enjoy taking on challenging projects, resealing your steering rack is an option. Here’s how you can approach this:

1. Purchase a Seal Kit: A seal kit typically costs around $50 and contains all the necessary seals to refurbish your steering rack.

2. Disassemble the Rack: Carefully disassemble the steering rack, taking note of the placement of each component.

3. Replace the Seals: Use the seal kit to replace the old, worn-out seals. Make sure to clean all components thoroughly before reassembly.

4. Reassemble the Rack: Carefully reassemble the rack, ensuring all components are correctly aligned and sealed.

5. Test for Leaks: After reassembly, thoroughly test the steering rack for any signs of leakage before reinstalling it into the vehicle.

Caution

Unless you have experience with steering rack repairs, it is highly recommended to opt for a rebuilt rack unit. Resealing a steering rack is complex and requires precision. It’s easy to spend money on a seal kit, only to end up with a rack that still leaks. If you’re unsure, a professional repair or replacement might be the more practical option.

Conclusion

Resealing the steering rack is not a task to be taken lightly. It requires time, patience, and a good understanding of automotive systems. If you’re up for the challenge and have the necessary skills, this advanced DIY project can save you money and extend the life of your Jaguar XJS’s steering system. Otherwise, consider consulting a professional to ensure the best results.

See our Jaguar Parts Store Catalog to order parts.