Cadillac 2008 DTS, Owner'S Manual

Page: 324 / 450

How to Add Coolant to the Coolant
Surge Tank
If you have not found a problem yet, check to see
if coolant is visible in the surge tank. If coolant is
visible but the level is not at the FULL COLD mark
located on the side of the surge tank, add enough
of a 50/50 mixture of clean, drinkable water and
DEX-COOL
®
coolant at the coolant surge tank to
bring the level to the FULL COLD mark, but be
sure the cooling system, including the coolant
surge tank pressure cap, is cool before you do it.
See Engine Coolant on page 5-22 for more
information.
If no coolant is visible in the surge tank, add coolant
as follows:
{
CAUTION:
Steam and scalding liquids from a hot cooling
system can blow out and burn you badly.
They are under pressure, and if you turn the
coolant surge tank pressure cap — even a
little — they can come out at high speed.
Never turn the cap when the cooling system,
including the coolant surge tank pressure
cap, is hot. Wait for the cooling system and
coolant surge tank pressure cap to cool if you
ever have to turn the pressure cap.
5-30