Nissan Sentra B18 (2020-2025) Service Manual / Brakes / Brake System :: Periodic Maintenance / Brake Pedal

Nissan Sentra B18 (2020-2025) Service Manual: Brake Pedal

Inspection

Check the brake pedal height with the floor trim removed.

Check the brake pedal height (H) between the dash lower panel (3) and the brake pedal upper surface.


Brake pedal height (H) from dash lower panel (3)		Refer to Brake Pedal.
Clearance (B) between brake pedal bracket (A), stop lamp switch (2) and brake pedal position switch (1) contact ends		Refer to Brake Pedal.
Brake pedal full stroke (S)		Refer to Brake Pedal.

If the brake pedal height is not the standard, inspect the brake pedal for damage. If the brake pedal is damaged, replace the brake pedal. Refer to Removal and Installation.

If the brake pedal height is not the standard and the brake pedal is not damaged, perform the following steps to inspect the brake booster: Remove the brake booster. Refer to Removal and installation. Measure the input rod (A) length (B).

Input rod (A) length (B)

: Refer to Brake Booster.

If the input rod length is not the standard, replace the brake booster . Refer to Removal and installation. Note:

The input rod length is not adjustable.

Adjustment

BRAKE PEDAL HEIGHT

Inspect the brake pedal height. Replace parts as necessary. Refer to Inspection. Note:

The input rod length is not adjustable.

STOP LAMP SWITCH

Disconnect the harness connector from the stop lamp switch.

Turn the stop lamp switch 45° counterclockwise.

With the threaded end of the stop lamp switch (2) contacting the pedal bracket (A), turn the stop lamp switch 45° clockwise to lock in place. Check that the stop lamp switch contact end to brake pedal bracket clearance (B) is within specification.

CAUTION:

Make sure that the clearance between the brake pedal bracket and the stop lamp switch contact end is within specification.

The stop lamp must turn off when the brake pedal is released.

Clearance (B)

: Refer to Brake Pedal.

Connect the harness connector to the stop lamp switch.

BRAKE PEDAL POSITION SWITCH

Disconnect the harness connector from the brake pedal position switch.

Turn the brake pedal position switch 45° counterclockwise.

With the threaded end of the brake pedal position switch (1) contacting the pedal bracket (A), turn the brake pedal position switch 45° clockwise to lock in place. Check that the brake pedal position switch contact end to brake pedal bracket clearance (B) is within specification.

CAUTION:

Make sure that the clearance between the brake pedal bracket and the brake pedal position switch contact end is within specification.

Clearance (B)

: Refer to Brake Pedal.

Connect the harness connector to the brake pedal position switch.

 Brake System. Periodic Maintenance

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