Cadillac escalade ext 2002 Manuale Utente

Pagina di 427
5-14
How to Add Coolant to the Coolant 
Surge Tank
If you haven’t found a problem yet, check to see if
coolant is visible in the surge tank. If coolant is visible
but the coolant level isn’t at or above the FULL COLD
mark, add a 50/50 mixture of clean, drinkable water and
DEX
-
COOL
R
 coolant at the coolant surge tank, but be
sure the cooling system, including the coolant surge tank
pressure cap, is cool before you do it. See “Engine
Coolant” in the Index 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.