02/12/2013
Owning a 2014 Jaguar XFR is an exhilarating experience. The supercharged V8 engine delivers breathtaking performance, demanding equally impressive stopping power. Yet, as many owners discover, even a car of the XFR's calibre can have areas ripe for improvement. In the realm of braking, the standard fitment, while adequate, often leaves something to be desired, particularly concerning brake dust and the initial 'grab' feel. This article delves into a real-world experience of upgrading the brake pads on a 2014 XFR, exploring the challenges, choices, and expected outcomes of such a crucial enhancement.
Immediately after acquiring a 2014 XFR, one of the first areas highlighted for an upgrade was the braking system. Despite the existing pads having plenty of material left, their performance characteristics were less than ideal. The primary culprits were excessive brake dust, which quickly soiled the wheels, and a rather 'grabby' initial bite that detracted from smooth, progressive braking. These seemingly minor issues can significantly impact the driving experience, especially in a performance vehicle where precision and feel are paramount.
The Quest for Superior Stopping Power
The decision was clear: the stock pads had to go. The search for a suitable replacement began with a focus on ceramic brake pads, known for their low dust properties and quiet operation. However, the global market for specific high-performance vehicle components, particularly when factoring in international shipping to regions like Australia, can present unique challenges. Two days of intensive online research revealed a surprisingly limited number of brands that confidently offered the correct pad shapes and sizes for the XFR's bespoke braking system.
Ceramic vs. Semi-Metallic: A Crucial Choice
Initially, the preference leaned heavily towards ceramic pads. Ceramic compounds are formulated for cleaner operation, producing significantly less dust than their semi-metallic counterparts, and they typically offer quieter braking. However, they can sometimes require more heat to reach optimal performance and may feel less responsive when cold. Semi-metallic pads, on the other hand, are renowned for their strong initial bite and excellent fade resistance, performing well across a wider temperature range. They do, however, tend to generate more brake dust and can occasionally be noisier.
The deep dive into available options narrowed the field to just two prominent brands that offered a confident fit for the XFR: EBC Red Stuff and Centric PosiQuiet. EBC Red Stuff pads are well-regarded ceramic-based pads often chosen for performance street use due to their low dust and good high-temperature performance. Centric PosiQuiet pads, while semi-metallic, are specifically designed to reduce noise and dust compared to traditional semi-metallic formulations, making them an attractive compromise.
Comparative Analysis: EBC Red Stuff vs. Centric PosiQuiet
The decision-making process involved weighing several factors beyond just material type. Cost, availability, and user reviews played significant roles. Here's a quick comparison:
| Feature | EBC Red Stuff (Ceramic) | Centric PosiQuiet (Semi-Metallic) |
|---|---|---|
| Pad Type | Ceramic-based | Semi-Metallic |
| Dust Production | Very Low | Low (for semi-metallic) |
| Noise Level | Very Low | Low |
| Initial Bite | Good (better when warm) | Excellent (good cold bite) |
| Cost (Approx.) | High (e.g., 3x Centric) | Low/Moderate |
| User Reports | Mixed (some unflattering) | Generally Positive (low dust/noise) |
Despite the initial preference for ceramic pads, the EBC Red Stuff option came with a few caveats. Firstly, their price point was significantly higher – over three times the cost of the Centric pads. Secondly, some unflattering reports regarding their performance or longevity had surfaced during research, raising concerns. Given these factors, the Centric PosiQuiet semi-metallic pads emerged as the more pragmatic and appealing choice. They promised low dust (a key objective) and good overall performance at a fraction of the cost.
A full set of Centric pads was sourced from the US for a remarkably reasonable AU$136, including free postage – an undeniable bargain compared to the local alternatives. The anticipation for their arrival was high, especially with a fitting appointment booked for later that week.
The Importance of Rotor Skimming
Alongside the brake pad replacement, a crucial step in ensuring optimal braking performance was scheduled: skimming all four brake rotors. Brake rotors, over time and use, can develop a slight 'lip' around their outer edge due to pad wear. While these rotors were still well above their minimum thickness specification, skimming them ensures a perfectly flat and smooth surface for the new pads to bed into. This process removes any uneven wear, prevents potential vibrations, and maximises the contact area between the pad and rotor, leading to more efficient and quieter braking. It's a vital step for any comprehensive brake service, especially when upgrading pad compounds.
Anticipated Outcome and Long-Term Care
The hope was that the Centric PosiQuiet pads would deliver on their promise of low dust and improved braking feel, eliminating the grabby sensation of the stock pads. The combination of new pads and skimmed rotors should result in a refreshed, more confidence-inspiring braking experience, befitting a high-performance saloon like the XFR.
Beyond the immediate upgrade, maintaining the braking system is key to its longevity and performance. Regular inspections for pad wear, rotor condition, and brake fluid levels are essential. Ensuring proper 'bedding in' of new pads – a process of controlled stops to transfer a layer of pad material onto the rotor – is also critical for achieving optimal performance and preventing premature wear or noise.
Frequently Asked Questions About XFR Brakes
How often should I check my XFR's brake pads?
It's generally recommended to inspect your brake pads at every service interval, or at least every 10,000 miles (16,000 km). However, if you notice any changes in braking performance, noise, or feel, have them checked immediately.
What are the common signs that my brake pads need replacing?
Key indicators include a squealing or grinding noise when braking, a noticeable decrease in braking effectiveness, a soft or spongy brake pedal, the brake warning light illuminating on your dashboard, or visible thinning of the pad material.
Can I mix different types of brake pads on my XFR?
No, it is highly unadvisable to mix different types or brands of brake pads on the same axle, or even front and rear, unless specifically designed to work together. This can lead to uneven braking, instability, and potentially dangerous situations.
Is rotor skimming always necessary when changing brake pads?
Not always, but it's highly recommended, especially if the rotors show signs of uneven wear, scoring, or a noticeable lip. If the rotors are severely worn, warped, or below minimum thickness, replacement is necessary rather than skimming.
How do I 'bed in' new brake pads?
The bedding-in process involves a series of moderate stops from increasing speeds (e.g., 60 mph down to 10 mph) without coming to a complete stop, allowing the pads and rotors to heat up and transfer material evenly. Consult the pad manufacturer's specific instructions, as procedures can vary.
Conclusion
Upgrading the brake pads on a 2014 Jaguar XFR from standard fitment to a carefully chosen aftermarket option like the Centric PosiQuiet semi-metallic pads, combined with rotor skimming, represents a significant enhancement to the vehicle's driving dynamics. It addresses common frustrations like excessive brake dust and an unrefined braking feel, transforming the daily drive into a more enjoyable and confident experience. This detailed approach ensures that a high-performance vehicle like the XFR not only goes fast but also stops with precision and reliability, making the investment in quality braking components a truly worthwhile endeavour.
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