2009 GMC ENVOY engine

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Page 331 of 474

GMC ENVOY 2009  Owners Manual 3. Fill the radiator with the proper DEX-COOL coolant
mixture, up to the base of the �ller neck. See
Engine Coolant on page 5-25for more information
about the proper coolant mixture.4. Then �ll the co

Page 332 of 474

GMC ENVOY 2009  Owners Manual 6. Start the engine and let it run until you can feel the
upper radiator hose getting hot. Watch out for the
engine cooling fan.
7. By this time, the coolant level inside the radiator
�ller neck may b

Page 333 of 474

GMC ENVOY 2009  Owners Manual You may decide not to lift the hood when this warning
appears, but instead get service help right away.
SeeRoadside Assistance Program on page 7-7.
If you do decide to lift the hood, make sure the veh

Page 334 of 474

GMC ENVOY 2009  Owners Manual If No Steam Is Coming From The
Engine Compartment
If an engine overheat warning is displayed but no steam
can be seen or heard, the problem may not be too
serious. Sometimes the engine can get a littl

Page 335 of 474

GMC ENVOY 2009  Owners Manual Power Steering Fluid
SeeEngine Compartment
Overview on page 5-12for
reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check the power steering
�uid unless you sus

Page 336 of 474

GMC ENVOY 2009  Owners Manual Windshield Washer Fluid
What to Use
When the vehicle needs windshield washer �uid, be
sure to read the manufacturer’s instructions before use.
If the vehicle will be operating in an area where the
t

Page 337 of 474

GMC ENVOY 2009  Owners Manual Brakes
Brake Fluid
The brake master cylinder
reservoir is �lled with
DOT-3 brake �uid. See
Engine Compartment
Overview on page 5-12for
the location of the reservoir.
There are only two reasons why the

Page 338 of 474

GMC ENVOY 2009  Owners Manual Checking Brake Fluid
Check brake �uid by looking at the brake �uid reservoir.
SeeEngine Compartment Overview on page 5-12.
The �uid level should be
above MIN. If it is not,
have the brake hydraulic
sy