What To Add; Checking Brake Fluid - GMC Sierra 2010 Owner's Manual

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Do not top off the brake 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

hydraulic system.

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 hydraulic system. See

Checking Brake Fluid in this section.

Refer to the Maintenance Schedule to determine when

to check the brake fluid. See Scheduled Maintenance

on page 7 3.

Check brake fluid by looking at the brake fluid reservoir.

See Engine Compartment Overview on page 6 16.

After work is done on the brake hydraulic system, make

sure the level is above the MIN but not over the

What to Add

Use only new DOT 3 brake fluid from a sealed

container. See Recommended Fluids and Lubricants on

Always clean the brake fluid reservoir cap and the area

around the cap before removing it. This helps keep dirt

from entering the reservoir.

The fluid level should be

above MIN. If it is not,

have the brake hydraulic

system checked to see if

there is a leak.

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