Radiator Pressure Cap - GMC 2000 Safari Owner's Manual

Occasionally check the coolant level in the radiator.
For information on how to add coolant to the radiator,
see "Cooling System" in the Index.

Radiator Pressure Cap

NOTICE:
Your radiator cap is a 15 psi (105 kPa)
-
pressure type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrows on the cap
line up with the overflow tube on the radiator
filler neck.
The radiator pressure cap must be tightly installed with
the arrows on the cap lined up with the overflow tube on
the radiator fill neck.
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