Chevrolet Sonic Repair Manual: Brake System External Leak Inspection
Warning:
Refer to Brake Fluid Irritant Warning.
Caution:
Refer to Brake Fluid Effects on Paint and Electrical Components
Caution.
- In order to inspect for external brake fluid leaks, first inspect the fluid
level in the master cylinder.
While a slight brake fluid level drop can be considered a normal condition
due to brake lining wear, a very low level may indicate a brake fluid leak in
the hydraulic system.
- If the fluid level is abnormally low, adjust the brake fluid level. Refer
to Master Cylinder Reservoir Filling.
- Start the engine and allow it to idle.
- Apply constant, moderate foot pressure to the brake pedal.
If the brake pedal gradually falls away while under foot pressure, there
may be a brake fluid leak.
- Turn the ignition OFF.
- Visually inspect the following brake system components for brake fluid leaks,
excessive corrosion, and damage. Give particular attention to all brake pipe
and flexible hose connections to ensure that there are not any slight brake
fluid leaks – even though the brake pedal may feel firm and hold steady:
- Master cylinder brake pipe fittings
- All brake pipe connections
- Brake pipes
- Brake hoses and connections
- Brake calipers and/or wheel cylinders
While slight dampness around the master cylinder reservoir can be considered
acceptable, brake fluid leaking from any of the brake system components requires
immediate attention. If any of these components exhibit signs of brake fluid leakage,
repair or replace those components. After the repair or replacement, reinspect the
hydraulic brake system to assure proper function.
Removal Procedure
Warning: Refer to Brake Fluid Irritant Warning.
Caution: Refer to Brake Fluid Effects on Paint and Electrical
Components Caution.
Caution: Always ...
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits ...
Other materials:
Window Lockout
This feature prevents the rear passenger windows from operating, except from
the driver position.
Press to disable the rear window
switches.
Press again to return to normal
window operation. ...
License Plate Lamp
Lamp Assembly
Bulb Assembly
Bulb Socket
Bulb
Lamp Assembly
To replace one of these bulbs:
Push the left end of the lamp assembly toward the right.
Turn the lamp assembly down to remove it.
Turn the bulb socket (1) counterc ...
Transmission Mount Replacement - Left Side
Removal Procedure
Remove the battery tray. Refer to
Battery Tray Replacement.
Install the engine support fixture. Refer to
Engine Support Fixture.
Remove and DISCARD the left transmission mount to
bracket bolts (1).
Remove the left transmission mo ...
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