1998 GMC ENVOY engine coolant

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Page 255 of 386

GMC ENVOY 1998  Owners Manual Checking Things  Under the Hood Then go to the front of the vehicle and release the 
secondary hood release. 
Things  that  burn  can get on hot engine  parts  and 
start  a fire.  These include liqui

Page 256 of 386

GMC ENVOY 1998  Owners Manual When you lift the  hood, you’ll  see these  items: 
C 
A. Battery 
B. Coolant  Recovery  Tank 
C.  Engine 
Oil Dipstick 
D.  Engine 
Oil Fill 
E. Transmission  Dipstick 
E Power  Steering  Reservoir

Page 268 of 386

GMC ENVOY 1998  Owners Manual Front Axle 
When to Check and Change  Lubricant 
Refer to  the Maintenance  Schedule  to  determine  how 
often  to check the lubricant and when  to  change 
it. See 
”Scheduled  Maintenance  Servic

Page 269 of 386

GMC ENVOY 1998  Owners Manual A 50/50 mixture of water  and DEX-COOL@ coolant  will: 
0 Give  freezing protection down  to -34°F (-37°C). 
Give boiling protection up to 265 “F ( 129°C). 
0 Protect against rust and corrosion.

Page 270 of 386

GMC ENVOY 1998  Owners Manual NOTICE: 
If you use an improper  coolant mixture, your 
engine could overheat  and be badly damaged. 
The  repair  cost wouldn’t  be covered  by your 
warranty. 
Too much  water in the  mixture  can

Page 271 of 386

GMC ENVOY 1998  Owners Manual - 
A CAUTION: 
Turning the  radiator  pressure cap when  the 
engine  and  radiator  are  hot can allow steam  and 
scalding liquids  to blow  out  and  burn 
you badly. 
With  the coolant recovery  t

Page 272 of 386

GMC ENVOY 1998  Owners Manual Thermostat 
Engine coolant temperature is controlled  by a thermostat 
in the engine  coolant  system.  The  thermostat stops the 
flow 
of coolant  through  the radiator until the coolant 
reaches  a

Page 273 of 386

GMC ENVOY 1998  Owners Manual Windshield Washer Fluid 
What to Use 
Open the cap labeled WASHER FLUID ONLY with 
the  washer symbol on 
it. Add  washer fluid  until the tank 
is full. 
When you need  windshield washer  fluid, be s
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