GM Service Manual Online
For 1990-2009 cars only

Application

Millimeters

Inches

Brake Pedal Travel

Brake pedal travel maximum with 445 N (100 lb) force applied to the pedal with ignition OFF and vacuum or hydraulic assist depleded.

57.00

2.25

Front Caliper Bore Diameter

63.50

2.50

Master Cylinder Bore Diameter

25.40

1.000

Minimum Vacuum at Power Booster

--

14 in

Hg

Rear Caliper Bore Diameter

38.00

1.50