GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Reference Number for Gradient and Switching Pressure on the Valve Housing

25 bar/0.25 2500 kPa

362 psi

Booster Ratio

5.0:1

Booster Size:

Booster 1

177 mm

7 in

Booster 2

203 mm

8 in

Front Brake:

  • Disc Type

Ventilated

Master Cylinder Diameter

23.81 mm

0.93 in

Power Booster

  • Type

Vacuum Suspended

  • Diameter

180 mm + 205 mm

7 in+(8 in

  • Servo Force Ratio

5:1

  • The Distance from the Booster to Fork Bin - LHD

162.4 mm

6.39 in

  • The Distance from the Booster to Fork Bin - RHD

127.4

5.02 in

Rear Brake:

  • Drum Inside Diameter

230 mm

9.06 in