Disc Plate Thickness Inspection; Disc Pad Thickness Inspection - Mazda CX-7 2007 Workshop Manual

Thickness variation inspection
1. Clean the disc plate-to-pad friction surface using a brake cleaner.
2. Measure the points indicated in the illustration using a caliper (micrometer).
3. Subtract the minimum value from the maximum.
• If the result is not within specification, machine the disc plate using a lathe.
Thickness variation limit
0.015 mm {0.0005 in}
Warning
• Do not exceed minimum disc plate
thickness.

Disc Plate Thickness Inspection

Caution
• Excessive runout may result if the disc plate is removed from the vehicle then machined. Machine
the disc plate while installed on the vehicle.
1. Measure the thickness of the disc plate.
• If the thickness is not within the specification, replace the disc plate.
Minimum rear disc plate thickness
16 mm {0.63 in}
Minimum rear disc plate thickness after machining using a brake lathe on-vehicle
16.8 mm {0.66 in}

Disc Pad Thickness Inspection

1. Jack up the rear of the vehicle and support it with safety stands.
2. Remove the wheels.
3. Verify the remaining thickness of the pads.
• Replace the pads as a set: right and left wheels, if either one is at or less than the minimum thickness.
Minimum rear disc pad thickness
2.0 mm {0.08 in}
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CONVENTIONAL BRAKE SYSTEM
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