Chevrolet Sonic Repair Manual: Brake Pedal Travel Measurement and Inspection
Special Tools
CH-28662 Brake Pedal Effort Gauge
For equivalent regional tools, refer to Special Tools.
- With the ignition OFF and the brakes cool, apply the brakes 3–5 times, or until the brake pedal becomes firm, in order to deplete the brake booster power reserve.
- Install the CH-28662 gauge (1), or equivalent, to the brake pedal (3).
- Measure and record the distance (a) from the brake pedal (3) to the rim of the steering wheel (2). Note the points of measurement.
- Apply and maintain a force of 445 N (100 lb) to the brake pedal, as indicated on the CH-28662 gauge (1), or equivalent.
- While maintaining 445 N (100 lb) of force to the brake pedal (3), measure and record the distance (b) from the same point on the brake pedal (3) to the same point on the rim of the steering wheel (2).
- Release the brake pedal (3) and repeat steps 4 and 5 to obtain a second measurement. After obtaining a second measurement, proceed to step 7.
- Average the first and second measurements recorded for the 2 applies of the brakes.
- Subtract the initial unapplied distance (a), from the average applied distance (b)
to obtain the brake pedal travel measurement (c).
Specification
Maximum brake pedal travel – measured with the ignition OFF, brake booster power assist depleted, and the brakes cool.
Brake Pedal Pushrod Inspection
Disconnect the brake pedal pushrod (2) from the brake pedal.
Reposition the pedal pushrod boot (1) toward the front of the vehicle to
expose as much of the pedal pushrodR ...
Parking Brake
...
Other materials:
Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services.
See Tire Rotation.
Check engine oil level and oil life percentage. If needed, change engine
oil and filter, and reset oil life system. See Engine Oil and Engine
Oil Life System.
Check engine coo ...
Steering Column Upper Trim Cover Replacement
Steering Column Upper Trim Cover Replacement
Callout
Component Name
1
Instrument Panel Steering Column Upper Trim Cover Fasteners (Qty: 2)
Caution: Refer to Fastener Caution.
Procedure
Turn ...
Plastic Collar Quick Connect Fitting Service
Removal Procedure
Warning: Refer to Gasoline/Gasoline Vapors
Warning.
Note: There are several types of plastic collar fuel and evaporative
emission quick connect fittings used on this vehicle.
Bartholomew (1)
Q Release (2)
Squeeze to ...
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