FAQ for Brake Disc Repair
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: Can I disconnect the hydraulic brake flexible hose from the caliper?
A:
No, you cannot. You mustn't disconnect the hydraulic brake flexible hose from the caliper.
By BobGM Specialist
01/11/2022 Q: What should be noticed when you remove the brake caliper from the mounting bracket?
A:
You will need to support the brake caliper with heavy mechanic's wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected.
By BobGM Specialist
01/11/2022 Q: What will be the result if I didn't clean the corrosion from the wheel bearing flange?
A:
Failure to clean the corrosion from the wheel bearing flange, brake rotor mating surface and brake rotor mounting face may result in the increased lateral runout of the brake rotor and brake system pulsation.
By BobGM Specialist
01/11/2022 Q: What should be done after applying a non-directional finish?
A:
After applying a non-directional finish, you should clean each friction surface of the brake rotor with denatured alcohol or an equivalent brake cleaner.
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
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