D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)
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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 0.002 mm (0.0008-inch) from point to point.