Nissan Versa Sedan. Manual - part 94

BR-14

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BRAKE BOOSTER

BRAKE BOOSTER

Inspection

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OPERATION

Depress the brake pedal several times at 5-second intervals with the engine stopped. Start the engine with the

brake pedal fully depressed. Check that the clearance between brake pedal and dash lower panel decreases.

NOTE:

A slight impact with a small click may be felt on the pedal when the brake pedal is fully depressed. This is a

normal phenomenon due to the brake system operation.

AIR TIGHT

1. Run the engine at idle for 1 minute to apply vacuum to the brake booster, and stop the engine. Then

depress the brake pedal several times at 5-second intervals until the accumulated vacuum is released to

atmospheric pressure. Check that the clearance between brake pedal and dash lower panel gradually

increases each time the brake pedal is depressed when performing this operation.

2. Depress the brake pedal with the engine running. Then stop the engine while holding down the brake

pedal. Check that the brake pedal stroke does not change after holding down the brake pedal for 30 sec-

onds or more.

2014 Versa Sedan

FRONT DISC BRAKE

BR-15

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FRONT DISC BRAKE

BRAKE PAD
BRAKE PAD : Inspection and Adjustment

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INSPECTION

Check brake pad wear thickness from an inspection hole on cylinder

body. Check using a scale if necessary. 

ADJUSTMENT

Burnish contact surfaces between disc rotor and brake pads according to the following procedure after refin-

ishing or replacing brake pads, or if a soft pedal occurs at very low mileage.

CAUTION:

• Be careful of vehicle speed because the brake does not operate firmly/securely until pads and disc

rotor are securely fitted.

• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.

DISC ROTOR
DISC ROTOR : Inspection and Adjustment

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INSPECTION

Appearance

Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace it if necessary. Refer to

BR-15, "DISC ROTOR : Inspection and Adjustment"

.

Runout

1. Fix the disc rotor to the wheel hub and bearing assembly with

wheel nuts (2 points at least).

2. Check the wheel bearing axial end play before the inspection.

Refer to 

FAX-7, "Inspection"

.

3. Inspect the runout with a dial indicator to measure at 10 mm

(0.39 in) inside the disc edge.

4. Find the installation position that has a minimum runout by shift-

ing the disc rotor-to-wheel hub and bearing assembly installation

position by one hole at a time if the runout exceeds the limit value.

5. Refinish or replace the disc rotor if the runout is outside the limit even after performing the above opera-

tion.

CAUTION:

If the thickness is less than wear thickness + 0.3 mm (0.012 in), replace the disc rotor. Refer to 

BR-

37, "BRAKE CALIPER ASSEMBLY : Removal and Installation"

.

Wear thickness : Refer to 

BR-45, "Front Disc Brake"

.

BRA0010D

Runout (with it attached 
to the vehicle)

: Refer to 

BR-45, "Front Disc 

Brake"

.

BRA0013D

2014 Versa Sedan

BR-16

< PERIODIC MAINTENANCE >

FRONT DISC BRAKE

Thickness

Check the thickness of the disc rotor using a micrometer. Replace

the disc rotor if the thickness is below the wear limit. Refer to 

BR-45,

"Front Disc Brake"

.

ADJUSTMENT

Burnish contact surfaces between disc rotors and brake pads according to the following procedure after refin-

ishing or replacing disc rotor, or if a soft pedal occurs at very low mileage.

CAUTION:

• Be careful of vehicle speed because the brake does not operate firmly/securely until pad and disc

rotor are securely fitted.

• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.

Wear thickness

: Refer to 

BR-45, "Front Disc Brake"

.

Wear thickness

: Refer to 

BR-45, "Front Disc 

Brake"

.

Thickness variation 
(measured at 8 posi-
tions)

: Refer to 

BR-45, "Front Disc 

Brake"

.

SBR020B

2014 Versa Sedan

REAR DRUM BRAKE

BR-17

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REAR DRUM BRAKE

BRAKE LINING
BRAKE LINING : Inspection and Adjustment

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INSPECTION

Brake Lining

1. Remove plug from back plate. Refer to 

BR-41, "Exploded View"

.

2. Check brake lining wear thickness (A) from an inspection hole

on back plate. Check using a scale necessary.

ADJUSTMENT

Burnish contact surfaces between brake lining and brake drum according to the following procedure after

refinishing or replacing brake lining, or if a soft pedal occurs at very low mileage.

CAUTION:

• Be careful of vehicle speed because the brake does not operate firmly/securely until brake lining and

brake drum are securely fitted.

• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until brake lining and brake drum are securely fitted.

BRAKE DRUM
BRAKE DRUM : Inspection and Adjustment

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INSPECTION

Appearance

Check surface of brake drum for uneven wear, cracks and serious damage. Replace it if necessary. Refer to

BR-41, "Removal and Installation"

.

Brake Drum Inner Diameter

(A) : Refer to 

BR-45, "Rear Drum Brake"

.

JSFIA1039ZZ

2014 Versa Sedan