Some GMC Terrain owners report experiencing front end wobbling issues primarily during braking, particularly when exiting the freeway. These problems may stem from worn or warped brake pads and rotors, which can lead to shaking during braking. Additionally, seized brake calipers may contribute to uneven braking force, exacerbating the wobble. Some owners also note that dried out or damaged caliper glide bushings can cause shuddering during high-speed braking. Tire-related issues, such as imbalance, out-of-round tires, or belt separation, are also reported as potential causes of front end wobbling, with low tire pressure being a significant factor that leads to vibrations at high speeds. Moreover, if the steering wheel shakes specifically during braking, it is likely linked to the condition of the brake rotors. To resolve these issues, owners are advised to inspect and replace worn brake components, check caliper glide bushings, ensure proper tire balance and condition, and verify the integrity of the brake rotors.
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