engine coolant HUMMER H2 2007 User Guide

HUMMER H2 2007 User Guide H2 2007 HUMMER HUMMER https://www.carmanualsonline.info/img/48/40792/w960_40792-0.png HUMMER H2 2007 User Guide

Page 403 of 570

HUMMER H2 2007 User Guide A. Coolant Surge Tank. SeeCooling System on
page 420andCoolant Surge Tank Pressure
Cap on page 418.
B. Engine Air Cleaner/Filter and Air Filter
Restriction Indicator (If Equipped). SeeEngine
Air Clean

Page 415 of 570

HUMMER H2 2007 User Guide Notice:Use of the incorrect automatic
transmission �uid may damage your vehicle,
and the damages may not be covered by
your warranty. Always use the automatic
transmission �uid listed inRecommended
Fl

Page 416 of 570

HUMMER H2 2007 User Guide What Kind of Coolant to Use
Use a mixture of one-half clean, drinkable water
and one-half DEX-COOL®coolant which will
not damage aluminum parts. If you use this coolant
mixture, you do not need to ad

Page 417 of 570

HUMMER H2 2007 User Guide Checking Coolant
The coolant surge tank
is located in the engine
compartment on the
passenger’s side of the
vehicle. SeeEngine
Compartment Overview
on page 402for more
information on location.
{CAUT

Page 418 of 570

HUMMER H2 2007 User Guide Coolant Surge Tank Pressure Cap
Notice:If the pressure cap is not tightly
installed, coolant loss and possible engine
damage may occur. Be sure the cap is properly
and tightly secured.
The coolant sur

Page 419 of 570

HUMMER H2 2007 User Guide Notice:If your engine catches �re because
you keep driving with no coolant, your vehicle
can be badly damaged. The costly repairs
would not be covered by your warranty.
SeeOverheated Engine Protection

Page 420 of 570

HUMMER H2 2007 User Guide Overheated Engine Protection
Operating Mode
If an overheated engine condition exists and the
REDUCED ENGINE POWER message is
displayed, an overheat protection mode which
alternates �ring groups of cyl

Page 421 of 570

HUMMER H2 2007 User Guide Check the coolant level after the system cools
down. Some amount of coolant may be lost due to
overheating.
The coolant level should be at or above the FULL
COLD mark. If it is not, you may have a lea

Page 422 of 570

HUMMER H2 2007 User Guide 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 coolant level is not at or above
t

Page 423 of 570

HUMMER H2 2007 User Guide Notice:In cold weather, water can freeze and
crack the engine, radiator, heater core and
other parts. Use the recommended coolant and
the proper coolant mixture.
{CAUTION:
You can be burned if you spi
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