GMC 1996 Sierra Owner's Manual page 281

Power Steering Fluid
When to Check Power Steering Fluid
It is not necessary
t o
regularly check power steering
fluid unless you suspect there
is
a leak in the system or
you hear an unusual noise. A fluid loss in this system
could indicate a problem. Have the system inspected
and repaired.
How To Check Power Steering Fluid
When the engine cotnparttnent is cool, unscrew the cap
and wipe the dipstick with
a
clean rag. Replace the cap
and completely tighten it. Then remove the cap again
and look at the fluid level
on
the dipstick.
The level should he a t the FULL COLD mark. I f
necessary, add only enough fluid to bring the level up
to the mark.
What to Use
Refer to the Maintenance Schedule
t o
determine what
kind of fluid to use. See "Recommended Fluids
and
Lubricants" i n the Index. Always use the proper fluid.
Failure to use the proper fluid can cause
leaks
and
damage hoses and seals.
Windshield Washer Fluid
What to Use
When you need windshield washer fluid, be sure to read
the
manufacturer's instructions before use. If you
will
be
operating your vehicle in an area where the tetnperature
may
fill1
below freezing, use a fluid that has sufficient
protection against freezing.
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