Buick 13597428 Sensor Assembly, Brake Pedal Position

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Securely attach it to the bracket and tighten the sensor mounting fastener.

Align the sensor exactly with the marks made during removal. Install the fastener and the sensor. Connect the electrical connector.

On some models, it may be necessary to remove and set aside the accelerator pedal for easier access.

After installing the new switch, apply the brake pedal, release it, and verify that the brake lights turn off when the pedal is released.

Remove the insulation panel and the knee bolster. Disconnect the electrical connector at the sensor. Remove the Brake Light Switch mounting fastener and remove the sensor from the bracket. Install the Brake Light Switch to the bracket and tighten the sensor mounting fastener securely. Connect the electrical connector to the sensor and calibrate the sensor using a factory type scan tool.

To remove the brake light switch, start by removing the insulator panel beneath the instrument panel. The brake light switch can be found at the top of the brake pedal bracket. Disconnect the wiring connector(s) from the switch. Depress the brake pedal and compress the switch's lock tabs. Rotate the switch counterclockwise while pulling to remove it. To install the new switch, ensure that the pedal is at the top of its travel. Rotate the switch clockwise while inserting it into the mounting bracket and connect the electrical connector(s). The switch should be fully seated against the pedal when the pedal is released. Apply the brake pedal, release it, and verify that the brake lights go off when the pedal is released. To remove the brake pedal position sensor, disconnect the electrical connector. Mark the relationship of the sensor to its mount and remove the fastener and the sensor. Installation is the reverse of removal, aligning the sensor exactly with the marks made.