chevrolet Workshop Repair Guides

Chevrolet C 30 P/U V8-379 62L DSL (1985) Service and Repair Manuals

ABOUT US
M/T - 3RD Gear Hop-Out on Acceleration or Deceleration|Page 3667 > < M/T - 3RD Gear Hop-Out on Acceleration or Deceleration|Page 3665

C 30 P/U 2WD V8-379 62L DSL (1985) | Brake Rotor/Disc - TSB Page 3666

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For more information on how to use a disc brake micrometer see Fundamentals and Basics. See: Fundamentals and Basics

PARALLELISM

Parallelism is the measurement of the thickness of the rotor at 12 or more points around the circumference of the rotor. All measurements must be
made at the same distance in from the edge of the rotor. 

Lack Of Parallelism

Lack Of Parallelism

The rotor thickness must not vary more than 0.013 mm (0.0005-inch) from point to point.

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