Mazda RX-8 Manual page 1418

Brake Pedal Height Adjustment
CAUTION:
The brake switch may not operate normally after adjusting the pedal height. Whenever adjusting the
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pedal height, replace the brake switch with a new one.
The interlock cable may not operate normally after adjusting the pedal height. Whenever adjusting the
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pedal height, refer to the interlock cable installation note. (See
1. Loosen the locknut and turn the push rod to adjust the pedal height.
2. Tighten the locknut.
Tightening torque
15.721.6 N·m {1.612.20 Kgf·m, 11.615.9 ft·lbf}
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3. After adjustment, inspect the pedal play.
Brake Pedal Play Inspection
1. Depress the pedal several times to release the vacuum in the power brake unit.
2. Gently depress the pedal by hand, and measure the pedal play.
If not within the specification, inspect the wear of the clevis pin and replace it if there is any
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malfunction.
Standard pedal play
25 mm {0.080.19 in}
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NOTE:
If there is no malfunction in the clevis pin, there is a possibility that the power brake unit has
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some malfunction. Verify that there are no malfunctions, and replace it if necessary.
Pedal-to-floor Clearance Inspection
1. Start the engine and depress the pedal with a pedal force of 147 N {15.0 Kgf, 33.0 lbf} .
2. Measure the distance between the pedal pad center and the insulator, and verify that it is as specified.
Interlock Cable Installation Note
(w)
.)
RX8 - Brakes
Page 4