GMC safari 2000 Manual De Usuario

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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 cooling system in your vehicle is filled with
DEX
-
COOL
R
 engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 000 km), whichever occurs first, if you add only
DEX
-
COOL
R
 extended life 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.
A 50/50 mixture of clean, drinkable water and
DEX
-
COOL
R
 coolant will:
D Give freezing protection down to 
-
34
_F (
-
37
_C).
D Give boiling protection up to 265_F (129_C).
D Protect against rust and corrosion.
D Help keep the proper engine temperature.
D Let the warning lights and gages work as they should.
NOTICE:
When adding coolant, it is important that you 
use only DEX
-
COOL
R
 (silicate
-
free) coolant.
If coolant other than DEX
-
COOL is added to 
the system, premature engine, heater core or
radiator corrosion may result. In addition, the
engine coolant will require change sooner 
--
 at
30,000 miles (50 000 km) or 24 months,
whichever occurs first. Damage caused by the 
use of coolant other than DEX
-
COOL
R
 is not
covered by your new vehicle warranty.
What to Use
Use a mixture of one
-
half clean, drinkable water and
one
-
half DEX
-
COOL
R
 coolant which won’t damage
aluminum parts. If you use this coolant mixture, you
don’t need to add anything else.