Porsche 911 Shakes When Braking

Common Causes of Brake Shaking in Your Porsche 911 and How to Resolve Them for a Smooth Ride

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
55% chance it's the
Brake Rotor
0%
20% chance it's the
Brake Pad
0%
10% chance it's the
Old Brake Fluid
0%
15% chance it's
Something else
The most common reasons a Porsche 911 shakes when braking are bad brake rotors, bad brake pads, or a bad wheel bearing.
  • Brake Rotor: A warped or worn brake rotor can cause vibrations during braking and reduced stopping power.
  • Brake Pad: A worn or damaged brake pad can lead to reduced braking efficiency and increased stopping distances.
  • Old Brake Fluid: Old brake fluid can absorb moisture over time, leading to reduced braking performance and potential corrosion within the brake system.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

Troubleshooting Shaking When Braking in a Porsche 911

When troubleshooting shaking while braking in your Porsche 911, it's crucial to adopt a systematic diagnostic approach. Start by inspecting the brake rotors, as warped or damaged rotors are often the primary culprits behind this issue. Look for any visible signs of wear or uneven surfaces. If the rotors appear to be in good condition, the next step is to examine the brake pads for wear or contamination, as worn or improperly installed pads can also lead to shaking. Additionally, check the wheel bearings for any play or damage, as faulty bearings can contribute to instability during braking. If you encounter squeaking brakes alongside the shaking, it may indicate that the pads are glazed or that there is debris in the braking system. In such cases, performing a deglazing procedure can help restore optimal performance. By following this methodical approach, you can effectively diagnose and address the shaking issue, ensuring a safer and smoother driving experience in your Porsche 911.

What Causes a Porsche 911 to Shake When Braking?

When experiencing shaking in your Porsche 911 while braking, it's crucial to identify the underlying issues to ensure safe and effective repairs. Common problems include warped brake rotors, which can lead to uneven contact with the brake pads, resulting in vibrations felt through the steering wheel and brake pedal. This condition not only affects your driving comfort but can also compromise braking performance. Additionally, worn brake pads or faulty wheel bearings may contribute to the shaking sensation. To address these issues, start by inspecting the brake rotors for warping and checking the condition of the brake pads. Regular maintenance, such as cleaning brake components to remove dust and debris, can also help prevent these problems from escalating. By staying proactive and addressing these common failure modes, you can maintain the performance and safety of your Porsche 911.

Why is My Porsche 911 Shaking When I Brake?

When your Porsche 911 shakes while braking, it’s crucial to address the issue without delay, as neglecting it can lead to serious safety risks and costly repairs. The shaking often indicates problems with the brake rotors, pads, or wheel bearings, which can compromise your vehicle's braking efficiency. If the rotors are out of round or unevenly worn, they can cause vibrations that not only affect your driving experience but also increase the risk of brake failure. Additionally, if the brake pads are worn down or improperly installed, they can lead to uneven wear on the rotors, exacerbating the problem. Ignoring these symptoms may result in more severe damage to your braking system, potentially leading to accidents. Therefore, it’s essential to inspect your brakes regularly and address any signs of wear or damage immediately to ensure your safety and maintain the performance of your Porsche 911.

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