FAQ for Brake Disc Repair
Q: What tool can be used to clean all rust and contaminants from the mating surface of the hub flange?
A:
You can use the J 42450-A.
By BobGM Specialist
01/11/2022 Q: What tool can be used to remove the rotor from the hub assembly?
A:
You can use the J-46277 and the J 2619-01.
By BobGM Specialist
01/11/2022 Q: Is it okay to leave the caliper/pads installed while cutting rotors using an on-car lathe?
A:
On-car lathes should never be used with the pads and calipers installed on the vehicle. The debris from cutting the rotors can contaminate the brake pads/calipers which can lead to other brake concerns and comebacks.
By BobGM Specialist
01/11/2022 Q: What is the purpose of burnishing the brake pads and brake rotors?
A:
The purpose is to ensure that the braking surfaces are properly prepared after service has been performed on the disc brake system.
By BobGM Specialist
01/11/2022 Q: What tool can be used to press the wheel studs from the hub and rotor assembly?
A:
You can use a hydraulic press.
By BobGM Specialist
01/11/2022 Q: Which lathe is essential for performing brake work, the bench or the on-car?
A:
Dealers must have a well-maintained bench lathe and a well-maintained on-car lathe. These lathes need to be calibrated monthly. BOTH lathes are essential to providing quality brake service.
By BobGM Specialist
01/11/2022 Q: What should you check before refinishing a brake rotor?
A:
You should first check the rotor for adequate thickness to allow the rotor to be refinished and remain above the minimum allowable thickness after refinishing specification.
By BobGM Specialist
01/11/2022 Q: What tool can be used to clean all rust and contaminants from the inside diameter of the hat section of the brake rotor?
A:
You can use the J 41013.
By BobGM Specialist
01/11/2022 Q: What is the recommended torque when installing the brake caliper bracket bolts?
A:
You can tighten to 300 Nm (221 lb-ft).
By BobGM Specialist
01/11/2022 See more FAQs (4)