subaru Workshop Repair Guides

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Mechanical Specifications|Page 3289 > < Mechanical Specifications
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Vacuum Brake Booster: Pressure, Vacuum and Temperature Specifications

Brake Fluid Pressure Without Engine Running:

Pedal Force / Fluid Pressure:

147 N (33 lbs.) ...................................................................................................................................................................................  588 kPa (85 psi)
294 N (66 lbs.) ..............................................................................................................................................................................  1,667 kPa (242 psi)

Brake Fluid Pressure With Engine Running And Vacuum At 66.7 kPa (19.69 inHg):

Pedal Force / Fluid Pressure:

147 N (33 lbs.) ...............................................................................................................................................................................  5,394 kPa 782 psi)
294 N (66 lbs.) .........................................................................................................................................................................  10,003 kPa (1,450 psi)

Mechanical Specifications|Page 3289 > < Mechanical Specifications