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What is causing the brand new rotors on front to drag brake pads?

Several factors can cause new rotors on the front to drag brake pads. Here are some common reasons:

1. Incorrect Installation: If the rotors are not properly installed, it can cause the brake pads to drag. Make sure the rotors are seated correctly and that all the necessary hardware is in place.

2. Caliper Issues: A faulty or damaged caliper can prevent the brake pads from retracting fully, leading to dragging. Check the caliper's condition, including the piston, seals, and slide pins.

3. Glazed or Contaminated Brake Pads: Brake pads can become glazed or contaminated during the bedding-in process or due to excessive heat or improper use. This can cause them to stick to the rotors and result in brake dragging.

4. Warped Rotors: Warped rotors can also cause brake pads to drag. This can occur due to uneven wear, overheating, or poor-quality rotors.

5. Hydraulic Pressure: If there is excessive pressure in the brake lines due to a faulty master cylinder or proportioning valve, it can cause the brake pads to drag.

6. Improper Brake Fluid: Using the wrong type of brake fluid or old and contaminated brake fluid can affect the proper functioning of the brake system and contribute to brake dragging.

7. Mechanical Interference: Sometimes, external factors such as dirt, debris, or a bent brake shield can interfere with the free movement of the brake pads and cause dragging.

8. Aggressive Driving: Driving habits play a significant role in brake wear. Aggressive braking and abrupt stops can generate excessive heat, which can damage the rotors and brake pads and lead to dragging.

If you have recently installed new rotors and noticed that the brake pads are dragging, it's important to properly diagnose and address the root cause. If necessary, consult with a trusted mechanic or automotive professional to ensure the safety and proper functioning of your braking system.