2004 CHEVROLET BLAZER coolant level

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 be lower. If the level is lower, add
more of the proper DEX-COOL
®coolant mixture
through the ller neck until the level reaches
the base of the ller neck.
5-35

96,000 Miles (160 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
❑Lubricate chassis components (or every 3 months,
whichever occurs rst).(See footnote #.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.(See footnote **.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-68for proper rotation pattern and additional
information.(See footnote +.)
99,000 Miles (165 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
❑Lubricate chassis components (or every 3 months,
whichever occurs rst).(See footnote #.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.(See footnote **.)
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission Control
Service.
❑Replace spark plugs.An Emission Control Service.
❑If you have not used your vehicle under severe
service conditions listed previously and, therefore,
have not changed your automatic transmission uid,
change both the uid and lter.
Manual transmission uid does not require change.
❑Automatic Transfer Case Only: Change transfer
case uid.
❑Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)
❑Drain, ush and rell cooling system (or every
60 months since last service, whichever occurs rst).
SeeEngine Coolant on page 5-24for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test cooling system and
pressure cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
6-17

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals specied to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any uids 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
perform these underhood checks at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-24for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
SeeWindshield Washer Fluid on page 5-38for further
details.
At Least Once a Month
Tire Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-57for further
details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every 50 hours of tape play. SeeAudio System(s)
on page 3-37for further details.
6-26

Driving in Water..............................................4-29
Driving On Grades..........................................4-69
Driving on Off-Road Hills.................................4-19
Driving on Snow or Ice....................................4-41
Driving Through Deep Standing Water...............4-34
Driving Through Flowing Water.........................4-34
Driving Uphill..................................................4-21
Driving with a Trailer.......................................4-67
E
Electrical System
Add-On Equipment......................................5-98
Fuses and Circuit Breakers...........................5-99
Headlamps.................................................5-98
Power Windows and Other Power Options......5-98
Windshield Wiper Fuses...............................5-98
Electronic Transfer Case..................................2-29
Emergency Release for Opening Tailgate...........2-15
Emissions Inspection and Maintenance
Programs...................................................3-32
Engine
Air Cleaner/Filter.........................................5-17
Battery.......................................................5-42
Check and Service Engine Soon Light............3-30
Coolant......................................................5-24
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-29
Cooling System Inspection............................6-31Engine (cont.)
Drive Belt Routing.......................................6-36
Engine Compartment Overview......................5-12
Exhaust.....................................................2-40
Fan Noise..................................................5-36
Oil .............................................................5-13
Overheating................................................5-27
Starting......................................................2-20
Engine Compartment Fuse Block.....................5-101
Engine Coolant Level Check.............................6-26
Engine Oil Additives........................................5-16
Engine Oil Level Check...................................6-26
Engine Specications...................................5-103
Engine Speed Control.....................................2-21
Entry Lighting.................................................3-15
Environmental Concerns..................................4-17
Erasing HomeLink
®Buttons..............................2-48
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-16
Express Down Window....................................2-12
Extender, Safety Belt.......................................1-30
Exterior Lamps...............................................3-12
F
Filter
Engine Air Cleaner......................................5-17
Finding a Program Type (PTY)
Station.......................................3-44, 3-53, 3-64
5