GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Pedal Maximum Travel

Vacuum Assist*

65 mm

2.56 in

Hydraulic Assist*

90 mm

3.54 in

* Specification with 445 N (100 lbs) of force applied to the brake pedal, the ignition OFF, and the brake booster power reserve depleted.