Reconditioned Jaguar Superchargers | Expert Repair Services | UK’s Leading Jaguar Specialists
If you drive a supercharged Jaguar — such as the XKR, XF, XJ, F-Type, or any other model with a 4.0, 4.2 or 5.0-litre Eaton supercharger — you know the thrill of V8 power. But like any performance component, superchargers aren’t immune to wear and failure.
At Paramount Performance, we specialise in Jaguar supercharger reconditioning, helping owners avoid catastrophic engine damage and get their cars back to peak performance — without the £3000+ price tag of a new unit.
In this post, we’ll cover:
- 🔍 Early warning signs of Jaguar supercharger failure
- ⚠️ Why continuing to drive with a faulty supercharger is dangerous
- 🔧 How reconditioning works (and why it saves you money)
- ✅ Options for full rebuilds, performance upgrades, and fitting services
🔍 What Does a Failing Jaguar Supercharger Sound or Feel Like?
Jaguar superchargers are generally very reliable and can last well beyond 100,000 miles — but failures can happen as early as 50,000 miles, especially on hard-driven or poorly maintained cars.
Common Signs of Jaguar Supercharger Failure:
- Whining noise while the engine is running
- Clunk or shudder when switching off the engine
- Vibration or hesitation, similar to a misfire
- Side-to-side movement of the supercharger pulley (easily checked by removing the drive belt)
Ignoring these symptoms can result in total supercharger failure and even engine damage, as broken bearings or shafts may cause internal debris and misalignment.
⚠️ Why You Should Act Fast
Many Jaguar drivers ignore the early warning signs — but this can turn a £1,000 repair into a £10,000+ engine rebuild. Once a failing supercharger starts breaking down, it can cause metal-on-metal wear, damage to the drive system, and potentially complete engine seizure.
Important: If you hear unfamiliar noises from the front of your engine, book a free supercharger health check with Paramount Performance.
🔧 Reconditioned Jaguar Superchargers: The Smart Solution
A brand-new Jaguar supercharger can cost £3000 or more, not including installation. But if your existing unit is repairable, our rebuild service is the ideal solution. You can see more on Paramount Supercharger refurbishments here : https://paramount-performance.com/jaguar-supercharger-reconditioning-refurbishment/
What’s Included in a Supercharger Rebuild:
- Full strip-down and internal inspection
- Replacement of all worn components (bearings, nose cone couplings, shafts, seals)
- Precision reassembly and pressure testing
- 6-month or 10,000-mile warranty
We service all Jaguar Eaton-based superchargers from the 4.0, 4.2 and 5.0-litre V8 engines.
🔥 Performance Options: Add Power While You Rebuild
Want more performance from your Jaguar? While your supercharger is being rebuilt, we can fit a Paramount Performance uprated pulley — increasing boost pressure and unlocking extra horsepower and torque.
Perfect for Jaguar drivers who want to upgrade without compromising reliability.
🧰 Fully Fitted Service Available
For ultimate convenience, we offer a fully fitted supercharger replacement service:
- All parts supplied
- Rebuild or exchange unit installed
- Car tested and ready to drive away
- Carried out by Jaguar performance specialists
Whether you’re located nearby or want to ship your supercharger to us for rebuild, we’ve got you covered. Worldwide mail order service
📞 Book Now or Get a Quote
If you’re experiencing symptoms of supercharger failure or simply want to explore your options, get in touch today. Our team of Jaguar experts will walk you through the process and help you decide whether a rebuild, replacement, or upgrade is right for your car.