LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 835 (Hydraulic Brake System) >> Diagnostic Information and Procedures >> Brake Pedal Travel Measurement and Inspection >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

J 28662  Brake Pedal Effort Gauge. See Special Tools and Equipment .

  1. With the ignition OFF and the brakes cool, apply the brakes 3-5 times, or until the brake pedal effort increases significantly, in order to deplete the brake booster power reserve.
  2. Install theJ 28662  to the brake pedal. See Special Tools and Equipment .
  3. Fig 1: Measuring Brake Pedal Travel
    GM681788Courtesy of GENERAL MOTORS CORP.
  4. Measure and record the distance (1) from the brake pedal to the rim of the steering wheel; note the points of measurement.
  5. Apply and maintain the brakes with 310 N (70 lb) of force to the brake pedal, as indicated on the J 28662  . See Special Tools and Equipment .
  6. While maintaining 310 N (70 lb) of force to the brake pedal, measure and record the distance (2) from the same point on the brake pedal to the same point on the rim of the steering wheel.
  7. Release the brakes and repeat steps 4 and 5 to obtain a second measurement. After obtaining a second measurement, proceed to step 7.
  8. Average the first and second measurements recorded during the two applies of the brakes.
  9. Subtract the initial measurement, unapplied (1), from the averaged, applied measurement (2) to obtain the brake pedal travel distance.

    Specification:  Maximum brake pedal travel - measured with the ignition OFF, brake booster power assist depleted, and the brakes cool: 70 mm (2.75 in).