Chevrolet Sonic Repair Manual: Brake Fluid
The brake/clutch master cylinder reservoir is filled with DOT 3 brake fluid as indicated on the reservoir cap. See Engine Compartment Overview for the location of the reservoir.
There are only two reasons why the fluid level in the reservoir might go down:
- The fluid level goes down because of normal brake lining wear. When new linings are installed, the fluid level goes back up.
- A fluid leak in the brake/clutch hydraulic system can also cause a low fluid level. Have the brake/clutch hydraulic system fixed, since a leak means that sooner or later the brakes and/or clutch will not work well.
Do not top off the brake/clutch fluid. Adding fluid does not correct a leak. If fluid is added when the linings are worn, there will be too much fluid when new brake linings are installed. Add or remove brake fluid, as necessary, only when work is done on the brake/clutch hydraulic system.
Warning:
If too much brake fluid is added, it can spill on the engine and burn, if the engine is hot enough. You or others could be burned, and the vehicle could be damaged. Add brake fluid only when work is done on the brake/clutch hydraulic system.
When the brake/clutch fluid falls to a low level, the brake warning light comes on. See Brake System Warning Light.
What to Add
Use only new DOT 3 brake fluid from a sealed container. See Recommended Fluids and Lubricants.
Always clean the brake/clutch fluid reservoir cap and the area around the cap before removing it. This helps keep dirt from entering the reservoir.
Warning:
With the wrong kind of fluid in the brake/clutch hydraulic system, the brakes might not work well. This could cause a crash. Always use the proper brake/clutch fluid.
Notice:
- Using the wrong fluid can badly damage brake/clutch hydraulic system parts. For example, just a few drops of mineral-based oil, such as engine oil, in the brake hydraulic system can damage brake hydraulic system parts so badly that they will have to be replaced. Do not let someone put in the wrong kind of fluid.
- If brake fluid is spilled on the vehicle's painted surfaces, the paint finish can be damaged. Be careful not to spill brake fluid on the vehicle. If you do, wash it off immediately.
Brake Dust Warning
Warning: Avoid taking the following actions when you service wheel
brake parts:
Do not grind brake linings.
Do not sand brake linings.
Do not clean wheel brake parts with a dry brus ...
Brake Fluid Effects on Paint and Electrical Components Caution
Caution: Avoid spilling brake fluid onto painted surfaces, electrical
connections, wiring, or cables. Brake fluid will damage painted surfaces and
cause corrosion to electrical components. If ...
Other materials:
Rear Side Door Check Link Replacement
Rear Side Door Check Link Replacement
Callout
Component Name
Preliminary Procedures
Move the window to the full up position.
Remove the rear side door trim panel. Refer to Rear Side Door Trim
Replacement
...
Front Side Door Window Switch Bezel Replacement (Left Side)
Front Side Door Window Switch Bezel Replacement
Callout
Component Name
Preliminary Procedure
Remove the front side door trim. Refer to Front Side Door Trim Replacement.
1
Front Side Door Window S ...
Engine Oil Cooler Replacement
Removal Procedure
Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection
and Connection.
Drain engine coolant. Refer to Cooling System Draining and Filling
Remove the turbocharger oil feed pipe. Refer to Turbocharger Oil Feed
Pipe Replacement ...
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