Hello XXXXXXXX. Take the technician for a drive and show him the complaint. You drive, then let him drive. Don't take the service writer, take the technician who is going to look at the car. This should get you verification. It's obvious you have warped brake rotors.
Your JA Expert,
Ivan
ASE Certified Technician
ASE Tech. 18 years experience. 9 years self employed. Expert on AUTOLAB Radio Show