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
OF
(-29
O
C), or -34°F
(-37
O
C) in
Canada and for vehicles with the cold climate option.
0
Give boiling protection up to 258 OF
(1
25
O
C).
Protect against rust and corrosion.
0
Help keep the proper engine temperature.
0
Let the warning lights and gages work as they should.
What
to
Use
Use a mixture of one-half
clean
water
(preferably distilled) and one-half
antifreeze that meets
“GM
Specification 6038-M,” which won’t damage
aluminum parts. You can use a recycled coolant conforming to “GM
Specification 6038-M,” with a complete coolant flush and refill. If you use
this mixture, you don’t need to add anything else.
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