Mazda 3 Brake Pedal Check

Checking Mazda 3 brake pedal height

Check that the distance from the floor mat to the center of the top surface of the pedal support pad is correct.

Pedal height (reference value)

Loosen the lock nut "B" and turn the bolt all the way into the pedal.

Loosen lock nut "D" and turn pin "C" to adjust the height.

Tighten the bolt with locknut "B".

Tightening torque: 9.8 - 14.7 Nm.

After adjusting, check the pedal clearance and the operation of the brake signal (fig. 1).

Depress the pedal several times to eliminate the vacuum in the system.

Remove the spring pin, make sure the holes in the fork and the pedal line up, and reinstall the pin.

Gently depress the pedal by hand until resistance is felt and check the clearance. Pedal clearance: 0-3 mm.

Remove the spring pin and the capped pin with cotter pin.

Loosen the lock nut "D" and turn the pin "C" until the holes in the fork and the pedal line up (fig. 2.).

Install the head pin with cotter pin and spring pin hole.

Tighten locknut "D". Tightening torque: 15.7 - 21.6 Nm.

Check pedal height and brake light function.

Start the engine and depress the brake pedal with a force of 588 N.

Check that the distance from the floor panel to the center of the pedal support pad is correct when the pedal is depressed (fig. 3).

If the distance is less than normal, check the absence of air in the brake system.

Gap size, minimum - 68 mm.

Disconnect the negative battery cable.

Disconnect the brake light switch connector harness.

Check for continuity between the brake light switch connector pins (fig. 4). If not, replace the brake light switch.