1. Faulty wheel speed sensor:
- A faulty wheel speed sensor on the right front wheel can provide incorrect signals to the ABS module, causing it to misinterpret the wheel's speed and engage the ABS system unnecessarily. Check the wheel speed sensor and its wiring for any damage or corrosion.
2. ABS module malfunction:
- The ABS module itself may be malfunctioning, leading to an improper activation of the ABS system. This can happen due to electrical issues, internal component failures, or software glitches. Have the ABS module diagnosed by a professional to identify the specific problem.
3. Brake fluid issues:
- Air trapped in the brake lines can cause a spongy feeling in the brake pedal and improper activation of the ABS system. Check the brake fluid level and ensure there are no leaks in the brake lines. Bleed the brakes if necessary to remove any trapped air.
4. Faulty ABS pump/Solenoid:
- If the ABS pump or solenoid responsible for regulating brake pressure to the right front wheel malfunctions, it can lead to inconsistent brake engagement and ABS activation. Inspect the ABS pump and solenoid for any mechanical or electrical issues.
5. Incorrect brake caliper installation:
- If the front caliper was recently replaced and reinstalled incorrectly, it could impact the proper functioning of the brake system. Inspect the brake caliper to ensure it is mounted properly and there are no loose or damaged components.
It's crucial to have the brake issue diagnosed and addressed promptly to ensure the safety of you and your vehicle. If you are not comfortable performing these checks or repairs yourself, I recommend you seek assistance from a qualified mechanic or automotive technician.