Page 140 of 388

Downloaded from www.Manualslib.com manuals search engine -3 HEATER: This setting directs most of the air
through the heater ducts and some of
the air through the
windshield defroster vents.
zi BLEND:Air is directed through the windshield I I defroster vents and the heater ducts.
I DEFROST: This setting directs most of the air
j through the windshield defroster vents and some of the
air through the heater ducts.
I Heating
I The heater works best if you keep your windows closed
while using it.
, 1. Turn the air control knob to HEATER.
2. Turn the fan control knob to the desired speed.
~ 3. Turn the temperature control knob to a comfortable
setting. During
initial start-up only, if your vehicle
is equipped
with an optional engine coolant heater,
you can use it in
cold weather (around
+20°F/-8”C or lower) to improve
heater performance
on start up. Because an engine
coolant heater warms the engine coolant, your vehicles
heating system can more efficiently provide heat for the
passenger area of your vehicle. See “Engine Coolant
Heater” in the Index.
Bi-Level Heating
You may want to use bi-level heating on cool, but sunny
days. This setting directs cool air toward your body and
warmer air toward your feet.
1. Turn the air control knob to BI-LEVEL.
2. Turn the temperature control knob to a comfortable
3. Turn the fan control knob to the desired speed.
setting.
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Page 210 of 388
Downloaded from www.Manualslib.com manuals search engine If the coolant inside the coolant recovery tank is boiling,
don’t
do anything else until it cools down.
When
it is cool, remove the coolant recovery tank cap
and look at the dipstick. The coolant
level should be
FULL COLD. If it isn’t, you
may have
a leak in the radiator hoses, heater hoses,
radiator, water pump
or somewhere else in the cooling
system.
I NOTICE:
Engine damage from running your engine
without coolant
isn’t covered by your warranty.
If there seems to be no leak, with the engine on check to
see if the electric engine fan is running. If the engine is
overheating, the fan should be running. If it isn’t, your
vehicle needs service.
Page 211 of 388
Downloaded from www.Manualslib.com manuals search engine How to Add Coolant to the Coolant
Recovery Tank
If you haven’t found a problem yet, but the coolant level
isn’t at
FULL COLD , add a 50/50 mixture of clean
water (preferably distilled) and a proper antifreeze at
the coolant recovery tank. (See “Engine Coolant” in
the Index for more information about
the proper
coolant mix.)
I NOTICE: I
In cold weather, water can freeze and crack the
engine, radiator, heater core and other parts.
Use
the recommended coolant.
5-17
Page 215 of 388
Downloaded from www.Manualslib.com manuals search engine 5. Put the cap back on the coolant recovery tank, but
leave the radiator pressure cap off. 6. Start the engine and let it run until you can feel the
upper radiator hose getting hot. Watch out for the
engine fan(s).
7. By this time the coolant level inside the radiator
filler neck may be lower. If the level is lower, add
more of the proper mix through the filler neck until
the
level reaches the base of the filler neck.
5-21
Page 219 of 388
Downloaded from www.Manualslib.com manuals search engine 8. Start the engine and allow it to run in idle for
approximately four minutes. By this time, the
coolant level inside
the radiator will be lower. Add
more of the proper mix through the filler neck until
the level reaches the base
of the filler neck.
10. Then fill the coolant recovery tank to the proper
level.
9. Shut the engine off and replace the pressure cap. Be
sure the arrows
on the cap line up like this.
For a complete drain, flush and refill, see your Chevrolet
dealer or a Chevrolet Service Manual.
To purchase a
service manual, see “Service Publications’’
in the Index.
5-25
Page 261 of 388
Downloaded from www.Manualslib.com manuals search engine Adding Coolant
To Check Coolant
When your engine is cold, check the dipstick on the cap
of the coolant recovery tank. The coolant level should
be at
COLD, or a little higher. When your engine is
warm, the level on the dipstick should be up to the HOT,
or a little higher.
5.7L LT1 Engine Only
If this light comes on, it means you’re low on engine
coolant.
To Add Coolant to the Recovery Tank
If you need more coolant, add the proper mix ut the
coolant
recovery tank, but only when your engine is
cool. If the tank is very low or empty, also add coolant
to the radiator, see “Engine Overheating” in the Index
for information.
6-29
Page 353 of 388

Downloaded from www.Manualslib.com manuals search engine Part B: Owner Checks and Services
Listed below are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance
of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Part
D.
At Each Fuel Fill
It is important for you or a service station attendant to
pevorm these underhood checks at eachfielfill.
Engine Oil Level
Check the engine oil level and add the proper oil if
necessary. See “Engine Oil” in
the Index for further
details.
Engine Coolant Level
Check the engine coolant level and add the proper
coolant mix if necessary. See “Coolant”
in the Index for
further details.
Windshield Washer Fluid Level
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See “Windshield Washer Fluid” in the Index
for further details.
At Least Once a Month
Tire Inflation
Check tire inflation. Make sure tires are inflated to the
pressures specified
on the Tire-Loading Information
label located on the rear edge
of the driver’s door. See
“Tires”
in the Index for further details.
Cassette Deck
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See “Audio Systems” in the Index
for further details.
At Least Twice a Year
Hydraulic Clutch System Inspection
Check the fluid level in the clutch reservoir. See
“Hydraulic Clutch Fluid”
in the Index. A fluid loss in
this system could indicate a problem. Have the system
inspected and repaired at once.
7-45