Frontaxle; Engine Coolant - Chevrolet SUBURBAN 1994 Manual

Front Axle
When to Check
and
Change Lubricant
Refer to the Maintenance Schedule to determine how often
to check
the
lubricant and when to change it. See "Scheduled Maintenance Services" in
the Index.
How to Check Lubricant
If the level is below
the bottom of the filler
plug hole, you'll need
to add some lubricant.
If
the differential is at
operating temperature
(warm), add enough
lubricant to raise the
level
to
the bottom of
the filler plug hole.
If the differential is cold, add enough lubricant to raise the level to 1/2 inch
(12 mm) below the filler plug hole.
What to use
Refer to the Maintenance Schedule to determine what kind of lubricant to
use. See "Recommended Fluids and Lubricants" in the Index.
Engine Coolant
The following explains your cooling system and how to add coolant when
it
is low. If you have a problem with engine overheating,
see
"Engine
Overheating" in the Index.
The proper coolant for your vehicle will:
Give freezing protection down
to
-20°F (-29"C), or -34°F (-37°C) in
Give boiling protection up to 258°F (1 25°C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Canada and for vehicles with the cold climate option.
Let the warning lights and gages work as they should.
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