2004 CHEVROLET COLORADO coolant temperature

Add coolant mixture at the recovery tank, but be careful
not to spill it.
{CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol,
and it will burn if the engine parts are hot
enough. Do not spill coolant on a hot engine.
Occasionally check the coolant level in the radiator. For
information on how to add coolant to the radiator,
seeCooling System on page 5-30.
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.
Engine Overheating
You will nd a coolant temperature gage on your
vehicle’s instrument panel. SeeEngine Coolant
Temperature Gage on page 3-24.
Your air conditioning may stop working if your engine is
too hot. This is normal and helps cool the engine.
If Steam Is Coming From Your Engine
5-28

(d)Visually inspect wiper blades for wear or cracking.
Replace blade inserts that appear worn or damaged
or that streak or miss areas of the windshield.
(e)Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages
are working properly. Look for any other loose or
damaged safety belt system parts. If you see anything
that might keep a safety belt system from doing its
job, have it repaired. Have any torn or frayed safety belts
replaced. Also look for any opened or broken air bag
coverings, and have them repaired or replaced. (The air
bag system does not need regular maintenance.)
(f)Lubricate all key lock cylinders, body door and fuel
door hinges, latches and locks (including glove box and
console doors), hood latch assembly, secondary
latch, pivots, spring anchor, release pawl and any
moving seat hardware. Lubricate hood safety lever pivot
and prop rod pivot and tailgate latch bolt, handle
assembly pivot points and hinges. More frequent
lubrication may be required when exposed to a corrosive
environment. Applying silicone grease on weatherstrips
with a clean cloth will make them last longer, seal
better and not stick or squeak.
(g)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired
and the uid level checked. Add uid if needed.(h)Change automatic transmission uid and lter if
the vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or
delivery service.
(i)Drain, ush and rell cooling system. See Engine
Coolant on page 5-25for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and ller neck.
Pressure test the cooling system and pressure cap.
Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench dealer can assist you
with these checks and services.
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
inRecommended Fluids and Lubricants on page 6-12.
6-8

Compass Operation.........................................2-39
Compass Variance..........................................2-39
Composite Headlamp System...........................5-50
Content Theft-Deterrent....................................2-15
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-24
Heater, Engine............................................2-21
Cooling System..............................................5-30
Crew Cab......................................................1-45
Crew Cab Models and Extended Cab Models
with Rear Seats..................................1-50, 1-58
Cruise Control Light........................................3-28
Cupholder(s)..................................................2-44
Current and Past Model Order Forms................7-13
Customer Assistance Information
Courtesy Transportation.................................. 7-8
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-6
Reporting Safety Defects to General Motors.......7-12
Reporting Safety Defects to the
Canadian Government..............................7-12
Reporting Safety Defects to the
United States Government.........................7-11Customer Assistance Information (cont.)
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-12
D
Daytime Running Lamps.................................... 3-8
Daytime Running Lamps Indicator Light.............3-29
Defensive Driving............................................. 4-2
Defogging and Defrosting.................................3-13
Dinghy Towing................................................4-45
Doing Your Own Service Work........................... 5-4
Dolly Towing..................................................4-47
Dome Lamp...................................................3-10
Door
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks............................... 2-9
Rear Doors.................................................2-10
DOORS.........................................................3-33
Driver
Position, Safety Belt.....................................1-16
Driver Information Center (DIC).........................3-30
DIC Controls and Displays............................3-30
DIC Warnings and Messages........................3-32
4

Driving
At Night.....................................................4-28
City...........................................................4-32
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-33
Hill and Mountain Roads..............................4-36
In Rain and on Wet Roads...........................4-29
Winter........................................................4-38
Driving Across an Incline..................................4-23
Driving Downhill..............................................4-22
Driving in Mud, Sand, Snow or Ice....................4-26
Driving in Water..............................................4-26
Driving On Grades..........................................4-67
Driving on Off-Road Hills.................................4-18
Driving on Snow or Ice....................................4-38
Driving Through Deep Standing Water...............4-31
Driving Through Flowing Water.........................4-32
Driving Uphill..................................................4-20
Driving with a Trailer.......................................4-66
E
Electrical System
Add-On Equipment.....................................5-103
Fuses and Circuit Breakers.........................5-104Electrical System (cont.)
Power Windows and Other Power Options.......5-103
Windshield Wiper Fuses.............................5-103
Emissions Inspection and
Maintenance Programs.................................3-26
ENG (Engine) HOT.........................................3-34
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-42
Check and Service Engine Soon Light............3-24
Coolant......................................................5-25
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-24
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Fan Noise..................................................5-36
Oil .............................................................5-13
Overheating................................................5-28
Starting......................................................2-19
Engine Compartment Fuse Block.....................5-104
Engine Oil Additives........................................5-16
Environmental Concerns..................................4-16
Event Data Recorders (EDR)............................7-10
Exit Lighting...................................................3-10
Express Down Windows..................................2-13
Extender, Safety Belt.......................................1-31
Exterior Lamps................................................. 3-6
5

F
Fan Knob......................................................3-12
Filter
Engine Air Cleaner......................................5-18
Finding a Program Type (PTY) Station.......3-42, 3-51
Finding a Station............................3-37, 3-40, 3-48
Finish Care....................................................5-98
Finish Damage.............................................5-100
Five-Speed....................................................2-25
Fixed Mast Antenna........................................3-59
Flat Tire........................................................5-73
Flat Tire, Changing.........................................5-74
FLUID...........................................................3-34
Fluid
Automatic Transmission................................5-19
Manual Transmission....................................5-22
Power Steering...........................................5-36
Windshield Washer......................................5-37
FM ...............................................................3-59
Fog Lamps...................................................... 3-9
Following Distance..........................................4-66
Four-Wheel Drive....................................2-27, 5-48
Front Armrest Storage Area..............................2-44
Front Axle......................................................5-49
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6Fuel (cont.)
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-29
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
FUEL CAP.....................................................3-34
Fuses
Fuses and Circuit Breakers.........................5-104
Windshield Wiper.......................................5-103
G
Gage
Engine Coolant Temperature.........................3-24
Fuel..........................................................3-29
Speedometer..............................................3-17
Tachometer.................................................3-18
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Getting Familiar with Off-Road Driving................4-16
Glove Box.....................................................2-44
GM Mobility Program for Persons with
Disabilities.................................................... 7-6
GM Oil Life System™......................................3-30
6