2005 GMC ENVOY XUV Owner's Manual

Page 345 of 474

GMC ENVOY XUV 2005  Owners Manual Notice:Use of automatic transmission �uid labeled
other than DEXRON®-III, Approved for the
H-Speci�cation, may damage your vehicle, and the
damages may not be covered by your warranty.
Always use aut

Page 346 of 474

GMC ENVOY XUV 2005  Owners Manual What to Use
Use a mixture of one-halfclean, drinkable waterand
one-half DEX-COOL®coolant. If you use this coolant
mixture, you don’t need to add anything else.
{CAUTION:
Adding only plain water to

Page 347 of 474

GMC ENVOY XUV 2005  Owners Manual Adding Coolant
If you need more coolant, add the proper DEX-COOL®
coolant mixtureat the coolant recovery tank.
{CAUTION:
Turning the radiator pressure cap when the
engine and radiator are hot can all

Page 348 of 474

GMC ENVOY XUV 2005  Owners Manual Radiator 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.
SeeEngine Compartment Ove

Page 349 of 474

GMC ENVOY XUV 2005  Owners Manual If No Steam Is Coming From Your
Engine
If you get an engine overheat warning but see or hear
no steam, the problem may not be too serious.
Sometimes the engine can get a little too hot when you:
Clim

Page 350 of 474

GMC ENVOY XUV 2005  Owners Manual Cooling System
When you decide it is safe to lift the hood, here is what
you will see:
A. Coolant Recovery Tank
B. Radiator Pressure Cap
C. Engine Fan
If the coolant inside the coolant recovery tank i

Page 351 of 474

GMC ENVOY XUV 2005  Owners Manual The coolant level should
be at least up to the FULL
COLD mark. If it is not,
you may have a leak at the
pressure cap or in the
radiator hoses, heater
hoses, radiator, water
pump or somewhere else
in t

Page 352 of 474

GMC ENVOY XUV 2005  Owners Manual How to Add Coolant to the Coolant
Recovery Tank
If you have not found a problem yet, but the coolant level
is not at the FULL COLD mark, add a 50/50 mixture of
clean, drinkable waterand DEX-COOL
®eng