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:
Power Outlets
The accessory power outlets can be used to plug in electrical equipment, such
as a cell phone or MP3 player.
The vehicle has an accessory power outlet in front of the cupholders on the center
floor console.
Remove the cover to access and replace when not in use.
Warning
Power is always suppl ...
Overview (AM-FM Radio)
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FAV 1-2-3 (Favorites)
Radio: Opens the favorites list.
O /VOL (Power/Volume)
Turns the system on or off and adjusts the volume.
Buttons 1−6
Radio: Saves and selects favorite stations.
SEEK ¨
Rad ...
Heater Outlet Hose Replacement (LDE, LUW)
Special Tools
BO-38185 Hose Clamp Pliers
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Disengage the heater outlet hose quick connect clip (1) at the heater ...
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