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Brake System: Specifications Subaru Outback BR

Mechanical - Hydraulic 8 illustrations

SPECIFICATION

Size16-inch type17-inch type
Front disc brakeTypeDisc (Floating type, ventilated)
Effective disc diameterMm (in)244 (4.61)261 (10.28)
Disc thickness x DiameterMm (in)24 x 294 (0.94 x 11.57)30 x 316 (1.18 x 12.44)
Effective cylinder diameter42.8 (1.685) x 2
Pad dimensions (Length x Width x Thickness)Mm (in)117.8 x 50.5 x 11.0 (4.638 x 1.988 x 0.433)130.0 x 53.5 x 11.0 (5.118 x 2.106 x 0.433)
Clearance adjustmentAutomatic adjustment
Rear disc brakeSize16-inch type
TypeDisc (Floating type, solid)Disc (Floating type, ventilated)
Effective disc diameterMm (in)250 (9.84)255 (10.0)
Disc thickness x DiameterMm (in)10 x 286 (0.39 x 11.26)18 x 290 (0.71 x 11.42)
Effective cylinder diameterMm (in)38.1 (1.500)40.4 (1.591)
Pad dimensions (Length x Width x Thickness)Mm (in)92.0 x 33.0 x 9.0 (3.622 x 1.299 x 0.354)95.5 x 34.8 x 11.0 (3.759 x 1.370 x 0.433)
Clearance adjustmentAutomatic adjustment
Master cylinderTypeTandem
Effective diameterMm (in)23.8 (15/16)
Reservoir typeSealed type
Brake fluid reservoir capacityCm 3 (cu in)205 (12.51)
Brake boosterTypeVacuum suspended
Effective diameterMm (in)208 + 229 (8.19 + 9.02)
Brake lineDual circuit system
Brake fluid CAUTION: Avoid mixing brake fluid of different brands to prevent fluid performance from degrading. When filling with brake fluid, be careful not to allow any dust to enter the reservoir. Use new SUBARU genuine brake fluid when replacing or refilling the fluid.FMVSS No. 116, DOT3, or DOT4
CAUTION
Avoid mixing brake fluid of different brands to prevent fluid performance from degrading. When filling with brake fluid, be careful not to allow any dust to enter the reservoir. Use new SUBARU genuine brake fluid when replacing or refilling the fluid.

SPECIFICATION CHART

Note. Refer to "PB" article for parking brake specifications. Ref. to SPECIFICATION , General Description.

ContentsSpecificationService limit
Front brakePad thickness mm (in)16-inch type11 (0.43)1.5 (0.059)
17-inch type11 (0.43)1.5 (0.059)
Disc thickness mm (in)16-inch type24 (0.94)22 (0.87)
17-inch type30 (1.18)28 (1.10)
Disc runoutMm (in)0.05 (0.0020)
Rear brake (disc type)Pad thickness mm (in)Solid disc9.0 (0.354)1.5 (0.059)
Ventilated disc11 (0.43)1.5 (0.059)
Disc thickness mm (in)Solid disc10 (0.39)8.5 (0.335)
Ventilated disc18 (0.71)16 (0.63)
Disc runoutMm (in)0.05 (0.0020)
Parking brakeInside diameterMm (in)190 (7.48)191 (7.52)
Lining thicknessMm (in)2.8 (0.11)1.5 (0.059)

SPECIFICATION CHART

Brake pedal force N (kgf, lbf)Fluid pressure kPa (kgf/cm 2 , psi)
Brake boosterBrake fluid pressure with engine stopped147 (15,33)533 (5, 77)
294 (30, 66)1,551 (16,225)
Brake fluid pressure with engine running and vacuum pressure at 66.7 kPa (500 mmHg, 19.69 inHg)147 (15,33)6,177 (63,896)
294 (30, 66)11,273 (115, 1,635)

SPECIFICATION CHART

Brake pedalFree playMm (in)2 - 5 (0.079 - 0.197) [When pulling the brake pedal upward with a force of less than 10 N (1 kgf, 2 lbf)]

SPECIFICATION CHART

Scheme 1

Scheme 1: FRONT DISC BRAKE

Scheme 2

Scheme 2: REAR DISC BRAKE

Scheme 3

Scheme 3: MASTER CYLINDER

Scheme 4

Scheme 4: FRONT BRAKE PIPES AND HOSES

Scheme 5

Scheme 5: CENTER AND REAR BRAKE PIPES AND HOSES

Scheme 6

Scheme 6: BRAKE BOOSTER

Scheme 7

Scheme 7: BRAKE PEDAL

Scheme 8

Scheme 8
  1. AT model
  2. MT model