Subaru Outback Shakes When Braking

Common Causes of Shaking in Your Subaru Outback During Braking and How to Resolve Them

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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 Subaru Outback 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 Subaru Outback

When addressing the issue of shaking while braking in your Subaru Outback, start with the most straightforward checks to identify potential problems. Begin by inspecting your tires for any signs of uneven wear or incorrect pressure, as these can significantly affect vehicle stability. Next, assess the wheel alignment and balance; misalignment can lead to vibrations during braking. If these initial checks do not reveal the issue, move on to examine the suspension components for any signs of damage or wear, as compromised suspension can contribute to shaking. The brakes themselves should also be scrutinized; look for warped rotors or worn brake pads, as these are common culprits. If the shaking persists, consider performing an engine system diagnostic test to rule out any underlying engine issues. By following this methodical approach, you can effectively diagnose and address the shaking problem, ensuring a safer and smoother driving experience.

What Causes Shaking When Braking in a Subaru Outback?

When experiencing shaking while braking in a Subaru Outback, it's crucial to understand the common problems that could be at play. One of the primary culprits is often damaged or warped brake rotors, which can lead to significant vibrations, especially at higher speeds. These rotors work in tandem with brake pads to ensure effective stopping power, and any irregularities can result in a noticeable shake in the steering wheel or brake pedal. Additionally, worn brake pads can contribute to uneven braking surfaces, exacerbating the issue. Another potential cause is a failing wheel bearing, which can create vibrations that are felt throughout the vehicle, particularly during braking. If you notice that the shaking intensifies with speed or is accompanied by vibrations in the steering wheel, it’s essential to inspect these components. Addressing these issues promptly not only enhances your driving experience but also ensures your safety on the road. For those inclined to tackle these repairs themselves, a thorough inspection of the brake system, including rotors, pads, and bearings, is a vital first step in diagnosing and resolving the shaking problem.

Why is My Subaru Outback Shaking When I Brake?

When your Subaru Outback shakes while braking, it’s crucial to address the issue promptly, as neglecting it can lead to serious safety risks and further damage to your vehicle. The shaking often stems from problems with key brake components, such as warped brake rotors or worn brake pads, which can compromise your ability to stop effectively. If you experience violent vibrations in the steering wheel at high speeds, this is a clear indication that the rotors may be damaged, necessitating immediate attention. Additionally, vibrations felt in the brake pedal or under the seat during braking from highway speeds can signal underlying issues that, if left unresolved, could escalate into more costly repairs. Ignoring symptoms like these not only jeopardizes your safety on the road but can also lead to overheating components, such as calipers and pads, resulting in a complete brake failure. Therefore, it’s essential to inspect and, if necessary, replace the affected brake parts to ensure your Subaru Outback operates safely and efficiently.

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