Chevrolet Equinox Service Manual: Brake Pedal Travel Measurement and Inspection Hydraulic Brakes Brake Pedal Assembly

Special Tools

J-28662Brake Pedal Effort Gauge, or equivalent

With the ignition OFF and the brakes cool, apply the brakes3–5-times, or until the brake pedal becomesfirm, in order to deplete the brake booster power reserve.Install theJ-28662Brake Pedal Effort Gauge, or equivalentto the brake pedal.

Measure and record the distance-(1) from the brakepedal to the rim of the steering wheel; note the points ofmeasurement.Apply and maintain the brakes with 445-N(100-lb) of force to the brake pedal, as indicated ontheJ-28662Brake Pedal Effort Gauge, or equivalent.While maintaining 445-N (100-lb) offorce to the brake pedal, measure and record thedistance-(2) from the same point on the brake pedal tothe same point on the rim of the steering wheel.Release the brakes and repeatsteps-4-and-5 to obtain a secondmeasurement. After obtaining a second measurement, proceed tostep-7.Average the first and second measurements recorded during thetwo applies of the brakes.Subtract the initial measurement, unapplied-(1),from the averaged, applied measurement-(2) to obtain thebrake pedal travel distance.

Specification

Maximum brake pedal travel measured with the ignition OFF,power vacuum brake booster vacuum reserve depleted, and the brakescool: 57-mm (2.24-in).