FAQ for Brake Disc Repair
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: How do on-car lathes react to Axle Float? Does the play affect the machining of the rotor, either surface finish or LRO?
A:
Because the Pro-Cut on-car lathe adjusts in a live mode while spinning the hub/rotor, the dynamics of a floating axle are effectively eliminated. Once the lathe is compensated, there is no difference in the cutting/surface finish and LRO are just the same as with a non-floating axle.
By BobGM Specialist
01/11/2022 Q: What should be noticed when servicing the Brake Rotor?
A:
Do NOT disconnect the hydraulic brake flexible hose from the caliper.
By BobGM Specialist
01/11/2022 Q: What should be done before servicing the Brake Rotor?
A:
You should raise and support the vehicle.
By BobGM Specialist
01/11/2022 Q: What should be noticed when burnishing Pads and Rotors?
A:
Use care to avoid overheating the brakes while accelerating the vehicle to 48 km/h (30 mph).
By BobGM Specialist
01/11/2022 Q: What kind of special tool will I need when servicing the Brake Rotor?
A:
You will need a rotor resurfacing kit and a wheel hub resurfacing kit.
By BobGM Specialist
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