Nissan Sentra B18 (2020-2025) Service Manual: Brake System :: Service Data and Specifications (sds). Service Data and Specifications (sds)
Service Data and Specifications (sds). General Specifications
General Specifications
Unit: mm (in)|
Master cylinder |
Cylinder bore diameter |
25.4 (1) |
|
Brake booster |
Diaphragm diameter |
279.4 (11) |
|
Control valve |
Valve type |
Electric brake force distribution |
|
Recommended brake fluid |
Refer to Fluids and Lubricants. |
|
Brake Pedal
Brake Pedal
Unit: mm (in) |
||
|
Item |
Standard |
|
|
Brake pedal height (H) from lower dash (3) |
167.9 – 177.9 (6.61 – 7.00) |
|
|
Clearance (B) between brake pedal bracket (A), stop lamp switch (2) and brake pedal position switch (1) contact ends |
0.74 – 1.96 (0.0291 – 0.0772) |
|
|
Brake pedal full stroke (S) |
135.7 (5.34) |
|
Brake Booster
Brake Booster
Unit: mm (in) |
|
|
Input rod (A) length (B) |
164 ± 0.75 (6.46 ± 0.03) |
 |
|
|
Check valve (3) angle (A) on the brake booster (1) |
35° ± 5° |
|
Vacuum sensor (2) angle (B) on the brake booster |
15° ± 5° |
Front Disc Brake
Front Disc Brake
Unit: mm (in)|
Item |
Limit |
|
|---|---|---|
|
Cylinder |
Cylinder bore diameter |
53.96 (2.124) |
|
Brake pad |
Pad length × width × thickness (new) |
112 × 51.5 × 10 (4.409 × 2.028 × 0.394) |
|
Wear thickness |
2.0 (0.080) |
|
|
Disc brake rotor |
Rotor outer diameter × thickness (new) |
280 × 24.0 (11.024 × 0.945) |
|
Wear thickness |
22.0 (0.866) |
|
|
Thickness variation (measured at 8 positions)* |
0.004 (0.0002) |
|
|
Runout (with it attached to the Nissan Sentra vehicle) |
0.040 (0.002) |
|
*To check if rotor imbalance, rotor runout or rotor deformation exists.
Rear Drum Brake
Rear Drum Brake
Unit: mm (in)|
Item |
Limit |
|
|---|---|---|
|
Cylinder |
Cylinder bore diameter |
19.05 (0.75) |
|
Brake shoe |
Lining length × width × thickness (new) |
183.2 × 40 × 4.9 (7.213 × 1.575 × 0.193) |
|
Wear thickness |
1 (0.039) |
|
|
Brake drum |
Drum diameter (new) |
228.6 (9.00) |
|
Maximum inner diameter |
230.6 (9.079) |
|
Rear Disc Brake
Rear Disc Brake
Unit: mm (in)|
Item |
Limit |
|
|---|---|---|
|
Cylinder |
Cylinder bore diameter |
36 (1.417) |
|
Brake pad |
Pad length × width × thickness (new) |
39.9 × 79.8 × 9 (1.571 × 3.142 × 0.354) |
|
Wear thickness |
2.0 (0.079) |
|
|
Disc brake rotor |
Rotor outer diameter × thickness (new) |
260 × 8.0 (10.236 × 0.315) |
|
Wear thickness |
7.0 (0.276) |
|
|
Thickness variation (measured at 8 positions)* |
0.007 (0.0003) |
|
|
Runout (with it attached to the Nissan Sentra vehicle) |
0.1 (0.0039) |
|
*To check if rotor imbalance, rotor runout or rotor deformation exists.
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