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Choosing the Right Aftermarket Disc Brake Pads for Your 2016-2020 Cadillac CT6

Stop the noise and confusion with this guide to selecting the best new brake pads for your CT6.

5 minutes to read 2016-2020 Cadillac CT6
Difficulty
3/5
Est. Time
1.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$150-$250
⚠️ Drivable, but... — If the pads are only squealing, you can drive cautiously to a repair shop, but if you hear grinding, stop driving immediately to prevent further damage.
Key Takeaways
  • Many CT6 models use Brembo brakes; verify your specific system before ordering parts.
  • Brake squeal is a common complaint; switching to ceramic pads or using specific lubricants can help.
  • For rear brake replacement, you must put the electronic parking brake into 'Service Mode' to avoid damage.
  • Check for the important EBCM software recall (NHTSA 19V889000) which affects ABS and stability control.
The disc brake pads on your 2016-2020 Cadillac CT6 are the part of the brake system that creates friction to stop your car. When you press the brake pedal, the brake caliper squeezes the pads against a spinning metal disc, called a rotor. This friction converts the energy of your moving car into heat, slowing you down. For a luxury sedan like the CT6, which often came with high-performance Brembo brakes from the factory, the quality and material of the brake pads are critical for maintaining safe, quiet, and powerful stopping ability.

Understanding Your CT6's Brake System

When shopping for brake pads for your 2016-2020 Cadillac CT6, it's important to know what your car came with. Many CT6 models, especially those with the 3.0L Twin-Turbo engine, were equipped with high-performance Brembo brake systems from the factory. These systems are excellent but can be a source of confusion when buying parts. Other models came with standard, but still very capable, braking systems. The key difference is in the size of the rotors and the design of the calipers, which affects which brake pads will fit.

Check Your Brakes Before You Buy

Look at your front brake calipers. If they are large and have the "Brembo" logo visible, you have the performance brake package. 🎬 Watch: 5 essential tips for owners with Brembo front brakes. If not, you have the standard system. Knowing this is the first step to ordering the correct parts.

Common Issues and Solutions for CT6 Brakes

CT6 owners frequently report issues with brake noise, particularly squealing at low speeds. This can happen even on cars with low mileage. In many cases, this is considered a characteristic of high-performance metallic brake pads, but it can be annoying. A GM Technical Service Bulletin (TSB) suggests that applying a specific copper paste to the brake pad abutments can help reduce this noise. Some owners find that switching to a high-quality aftermarket ceramic pad also solves noise and dust issues.

Important Safety Recall

General Motors issued a recall (NHTSA Campaign: 19V889000) for some 2019-2020 CT6 models due to a software error in the Electronic Brake Control Module (EBCM). This could disable the ABS and stability control systems without warning. This is a free software fix performed by a dealer and is not related to the physical brake pads, but it is critical for your safety to ensure it has been completed on your vehicle.

Choosing the Right Aftermarket Brake Pads

With so many brands available, choosing can be tough. Here’s a breakdown of your options, from OEM-quality to budget-friendly choices.

Tier 1: OE-Equivalent & High-Performance Aftermarket

These brands meet or exceed the original factory specifications. They are the best choice for owners who want to maintain the original performance and feel of their CT6, especially those with Brembo brakes.

  • Brembo: As the original equipment supplier for many CT6s, their aftermarket pads offer the exact same performance as the factory parts.
  • ACDelco: As GM's official parts brand, they offer both original equipment (OE) pads and high-quality aftermarket lines that are a direct-fit replacement.
  • Hawk Performance, EBC Brakes: These brands specialize in high-performance pads that can offer improved stopping power over stock, though sometimes at the cost of more noise or dust.

Tier 2: Quality Aftermarket Replacements

These brands offer a great balance of quality, performance, and price. They are an excellent choice for daily driving and often provide benefits like lower dust and less noise than the original metallic pads.

  • Akebono, Advics, Bosch, Wagner: These are well-respected manufacturers that supply parts to many automakers. Their ceramic pads are a popular upgrade for reducing dust and noise while providing reliable stopping power.
  • PowerStop: Known for their complete brake kits, PowerStop offers ceramic pad options like the Z16 and Z17 series, which are designed for low dust and quiet operation.
  • Raybestos, Centric: These brands provide a wide range of pads, from daily-driver ceramic to performance-oriented metallic options, offering solid quality and value.

Tier 3: Economy/Value

These brands are suitable for drivers on a tight budget. While they meet federal safety standards, they may not offer the same longevity, quiet operation, or low-dust characteristics of the higher-tier brands.

  • Dynamic Friction, Pronto, Total Stopping Solutions: These brands focus on providing a functional, low-cost replacement for worn-out pads.
Brake Pad Cost Comparison (2016-2020 Cadillac CT6)
Brand Tier Typical Price Range (Per Axle) Best For
Tier 1: OE-Equivalent & Performance $120 - $396 Restoring original performance, spirited driving
Tier 2: Quality Aftermarket $60 - $150 Daily driving, reduced noise and dust
Tier 3: Economy/Value $36 - $75 Basic transportation, budget-conscious repairs

Frequently Asked Questions (FAQ)

Why are my CT6 brakes so squeaky?

Brake squeal is a common complaint on the CT6. It's often caused by high-frequency vibrations between the pad and rotor, especially with the semi-metallic pads used in performance brake systems like Brembo. Factors like temperature and humidity can affect it. If the noise is persistent, have the pads and rotors checked for wear. Applying copper paste to the pad contacts as described in a GM service bulletin can also help.

What's the difference between ceramic and semi-metallic pads?

Semi-metallic pads, often found on performance models, offer excellent heat dissipation and stopping power but can be noisy and create a lot of black brake dust. Ceramic pads are made from a denser material that is much quieter, produces a lighter-colored dust that is less visible, and is generally easier on brake rotors. For most daily-driven CT6s, a quality ceramic pad is a great all-around choice.

Can I replace just the brake pads?

Yes, you can replace just the pads if your brake rotors are still in good condition (i.e., they are thick enough and not warped or heavily grooved). However, it is best practice to replace or resurface the rotors at the same time as the pads. This ensures the new pads have a perfectly smooth, flat surface to bed into, which provides the best performance and prevents noise.

Do I need a special tool to change the rear brake pads on my CT6?

Yes and no. You don't need a professional scan tool, but you MUST put the electronic parking brake (EPB) into 'Service Mode' before attempting to compress the rear caliper piston. This can be done by following a specific sequence of pressing the brake pedal and holding the EPB button inside the car. Failing to do this will damage the rear brake calipers.

🎬 See how to safely enter Service Mode for rear pad replacement.
Cadillac CT6 Rear Brake Pad Replacement | Step-by-Step DIY Tutorial!
Cadillac CT6 Rear Brake Pad Replacement | Step-by-Step DIY Tutorial!
Cadillac CT6 Front Brake Replacement | 5 Must Know Tips for Brembo Owners!
Cadillac CT6 Front Brake Replacement | 5 Must Know Tips for Brembo Owners!
How to change Brembo Brakes on your CT6
How to change Brembo Brakes on your CT6
Cadillac CT6 Rear Brake Pads Replacement (only after vehicle is placed in Brake Service Mode)
Cadillac CT6 Rear Brake Pads Replacement (only after vehicle is placed in Brake Service Mode)

Technical Specifications

OEM Part Numbers: 84745046

Brake systems vary between standard and performance (Brembo). Rear brakes feature an electronic parking brake (EPB) requiring a service mode for replacement. Pad material is typically semi-metallic on performance models and ceramic on others.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Apr 19, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Disc Brake Pad Set for:
  • Cadillac CT6: 20162017201820192020
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