Catera V6-3.0L VIN R (1997)
Brake Rotor/Disc: Service and Repair
Accuturn Brake Lathe
The Accuturn Brake Lathe is a one-cut refinishing procedure. Perform the following steps to refinish the rear brake rotor:
1. Locate the deepest score.
2. Turn the tool bit micrometer know until the tool bit bottoms out at the deepest point of the score.
3. Zero the scale.
4. Back out the tool bit.
5. Repeat the above sequence for the opposite side of the rotor.
6. Advance the cutter hand wheel until the bits clear the inner edges of the rotor face.
7. Adjust the micrometer knobs approximately 0.13 mm (0.005 inch) more than the first reading.
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This ensures resurfacing of the rotor in one cut.
8. Ensure to match the following specifications:
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Spindle Speed-105 mph.
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Depth of Cut-As necessary.
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Tool Cross Feed-0.08 mm (0.003 inch) per revolution.
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Tool Bit Nose Radius-1/64.
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Vibration Dampener-Yes.
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Non-Directional Finishing-Yes.
