Cadillac 2002 DeVille, Owner'S Manual

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6-28
Adding Coolant
If you need more coolant, add the proper DEX
-
COOL
R
coolant mixture at the surge tank, but only when the
engine is cool.
CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol,
and it will burn if the engine parts are hot
enough. Don’t spill coolant on a hot engine.
When replacing the pressure cap, make sure the arrow
lines up with the tube.
Surge Tank Pressure Cap
NOTICE:
The surge tank cap is a 18 psi (124 kPa)
pressure
-
type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrow on the cap
lines up with the overflow hose. See “Engine
Compartment Overview” in the Index for more
information on location.