Service and Maintenance
. . . 410
To check the fluid level:
1. Turn off the ignition and let
the engine compartment cool
down.
2. If your vehicle is a CTS-V
model, you must remove the
engine cover before you can
access the fill cap.
See "Engine Cover" earlier in
this section.
3. Wipe the cap and the top of
the reservoir clean.
4. Unscrew the cap and wipe the
dipstick clean. Replace the cap
and completely tighten it.
5. Remove the cap again and
check the fluid level on the
dipstick.
The level should be between
the HOT and COLD marks.
If the level is low, see the
"Recommended Fluids and
Lubricants" chart later in this
section to determine what kind of
fluid to add.
NOTICE
Using the wrong kind of
fluid could damage system
components and cause leaks.
Always use the proper fluid.
Brake Master Cylinder Fluid
There are two reasons why the
brake fluid level in the master
cylinder might go down. The first
is that the brake fluid level decreas-
es by an acceptable amount
during normal brake lining wear.
When new linings are put in, the
fluid level goes back up. The other
reason is that fluid may be leaking
out of the brake system. If it is, you
should have the brake system
fixed.
AKENG40_CTS Page 410 Wednesday, July 23, 2008 11:47 AM
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