Chevrolet 2008 Express, Owner'S Manual

Page: 283 / 414

Brakes
Brake Fluid
The brake master cylinder
reservoir is filled with
DOT-3 brake fluid. See
Engine Compartment
Overview on page 5-14 for
the location of the
reservoir.
There are only two reasons why the brake fluid level in
the reservoir might go down. The first is that the
brake fluid goes down to an acceptable level during
normal brake lining wear. When new linings are put in,
the fluid level goes back up. The other reason is
that fluid is leaking out of the brake hydraulic system.
If it is, you should have the brake hydraulic system fixed,
since a leak means that sooner or later the brakes
will not work well.
It is not a good idea to top off the brake fluid. Adding
brake fluid will 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.
{
CAUTION:
If you have too much brake fluid, it can spill on
the engine and/or fuel operated heater parts, if
equipped. If your vehicle has a diesel engine
and a fuel operated heater, see “Fuel Operated
Heater (FOH)” in the diesel engine supplement.
The fluid will burn if the engine is hot enough.
You or others could be burned, and your
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 6-4.
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