Subaru Forester Shakes When Braking

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

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Reviewed by
Bo Fader
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 Forester 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 Forester

When troubleshooting shaking when braking in a Subaru Forester, it's essential to adopt a systematic diagnostic approach. Start by inspecting the brake rotors, as they are often the primary culprit behind vibrations. Look for signs of warping or damage, which can occur due to wear and tear over time. If the rotors appear uneven, using a dial gauge to check their trueness can help confirm if they need resurfacing or replacement. Next, examine the brake pads for wear; worn pads can lead to uneven contact with the rotors, exacerbating the shaking. Additionally, inspect the wheel bearings, as worn or damaged bearings can also contribute to vibrations during braking. Don’t overlook the brake calipers; ensure that the guide pins are functioning correctly, allowing for smooth movement and even pressure on the pads. By methodically assessing these components, you can effectively identify and resolve the shaking issue, ensuring a safer and smoother driving experience.

What Causes Shaking When Braking in a Subaru Forester?

When experiencing shaking while braking in a Subaru Forester, it's essential to understand the common problems that could be causing this unsettling issue. One of the primary culprits is worn or warped brake rotors, which can occur due to excessive heat generated during braking or simply from regular wear and tear. If the rotors are damaged, they may not provide a smooth surface for the brake pads, leading to vibrations. Additionally, worn-out brake pads can also contribute to this problem; if the pads are too thin, they may not engage properly with the rotors, resulting in a shaky braking experience. Another factor to consider is the condition of the wheel bearings, as a failing bearing can cause instability and shaking when braking. It's also crucial to ensure that any brake job is performed correctly, as improper installation or failure to clean the wheel hub can lead to further complications. Regular maintenance and timely inspections of your braking system can help prevent these issues, ensuring a safer and smoother ride in your Subaru Forester.

Why is My Subaru Forester Shaking When I Brake?

When your Subaru Forester shakes while braking, it is crucial to address the issue promptly to ensure your safety on the road. Ignoring symptoms such as vibrations, especially at higher speeds, can lead to more severe problems, including compromised braking performance and increased wear on other components like the brake pads and rotors. Common culprits behind this shaking include worn-out brake pads, warped rotors, or issues with the wheel bearings. Additionally, if the caliper guide pins are not functioning correctly, they can prevent even contact between the brake pads and rotors, exacerbating the shaking. Neglecting these signs not only poses a significant safety risk but can also lead to costly repairs down the line. Therefore, it is essential to diagnose and resolve the underlying issues as soon as possible to maintain the optimal performance of your vehicle and ensure a safe driving experience.

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