2006 CHEVROLET COLORADO check engine

(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. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-24 for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap, and ller neck. Pressure test the
cooling system and pressure cap.
(j)If you drive regularly under dusty conditions, inspect
the lter at each engine oil change.
(k)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.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.
At Each Fuel Fill
It is important 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.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
6-8

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 uid reservoir and add the proper uid if
necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-52for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-68.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-60.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-30.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. On automatic transmission vehicles, try to start the
engine in each gear. The vehicle should start only
in PARK (P) or NEUTRAL (N). If the vehicle
starts in any other position, contact your GM
Goodwrench
®dealer for service.
On manual transmission vehicles, put the shift lever
in NEUTRAL (N), push the clutch down halfway,
and try to start the engine. The vehicle should start
only when the clutch is pushed down all the way
to the oor. If the vehicle starts when the clutch is
not pushed all the way down, contact your GM
Goodwrench
®dealer for service.
6-9

Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-30.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to ON, but do
not start the engine. Without applying the regular
brake, try to move the shift lever out of PARK (P)
with normal effort. If the shift lever moves out
of PARK (P), contact your GM Goodwrench
®dealer
for service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK in each shift lever position.
With an automatic transmission, the ignition should
turn to LOCK only when the shift lever is in
PARK (P). The key should come out only in LOCK.
With a manual transmission, the key should
come out only in LOCK.
Contact your GM Goodwrench
®dealer if service is
required.
6-10

Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
To check the parking brake’s holding ability: With
the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-11

C
Calibration.....................................................2-37
California Fuel.................................................. 5-6
California Proposition 65 Warning....................... 5-3
Canadian Owners................................................ ii
Capacities and Specications..........................5-103
Carbon Monoxide...................2-10, 2-34, 4-38, 4-56
Care of
Safety Belts................................................5-92
Your CD Player...........................................3-77
Your CDs ...................................................3-77
Center Front Passenger Position, Safety Belts....1-27
Center High-Mounted Stoplamp (CHMSL)...........5-48
Chains, Tire...................................................5-67
Check
Engine Light...............................................3-32
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-96
Child Restraints
Child Restraint Systems...............................1-41
Infants and Young Children...........................1-38
Lower Anchors and Tethers for Children..........1-47
Older Children.............................................1-35Child Restraints (cont.)
Securing a Child Restraint in
a Rear Seat Position................................1-58
Securing a Child Restraint in
the Center Front Seat Position...................1-61
Securing a Child Restraint in
the Right Front Seat Position.....................1-61
Where to Put the Restraint...........................1-45
Chime Level Adjustment..................................3-78
Cigarette Lighter.............................................3-19
Cleaning
Aluminum Wheels........................................5-94
Exterior Lamps/Lenses.................................5-92
Fabric/Carpet..............................................5-90
Finish Care.................................................5-93
Inside of Your Vehicle..................................5-89
Instrument Panel, Vinyl, and
Other Plastic Surfaces..............................5-91
Leather......................................................5-91
Tires..........................................................5-94
Underbody Maintenance...............................5-95
Washing Your Vehicle...................................5-92
Weatherstrips..............................................5-92
Windshield and Wiper Blades........................5-93
3

E
Electrical System
Add-On Equipment......................................5-98
Engine Compartment Fuse Block...................5-99
Fuses and Circuit Breakers...........................5-99
Windshield Wiper Fuses...............................5-98
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-39
Check and Service Engine Soon Light............3-32
Coolant......................................................5-24
Coolant Heater............................................2-20
Coolant Temperature Gage...........................3-32
Engine Compartment Overview......................5-12
Exhaust.....................................................2-34
Fan Noise..................................................5-33
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheating................................................5-27
Starting......................................................2-19
Event Data Recorders (EDR)............................7-10
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-34
Exterior Cargo Lamps......................................3-17
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-18
Finish Damage...............................................5-95
Fixed Mast Antenna........................................3-77
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-68
Flat Tire, Changing.........................................5-68
Flat Tire, Storing.............................................5-84
Fluid
Automatic Transmission................................5-19
Manual Transmission....................................5-22
Power Steering...........................................5-33
Windshield Washer......................................5-34
Fog Lamps ....................................................3-16
Four-Wheel Drive....................................2-26, 5-44
Front Armrest Storage Area..............................2-43
Front Axle......................................................5-45
Front Turn Signal, Parking and
Daytime Running Lamps...............................5-48
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
5

Fuel (cont.)
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage .........................................................3-37
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Fuses
Engine Compartment Fuse Block...................5-99
Fuses and Circuit Breakers...........................5-99
Windshield Wiper.........................................5-98
G
Gage
Engine Coolant Temperature.........................3-32
Fuel..........................................................3-37
Speedometer..............................................3-24
Tachometer.................................................3-24
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-42
GM Mobility Reimbursement Program.................. 7-6
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-8
Headlamps....................................................5-47
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-46
Daytime Running Lamps...............................3-15
Flash-to-Pass............................................... 3-9
Halogen Bulbs............................................5-46
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-15
Heated Seats................................................... 1-4
Heater...........................................................3-19
Highbeam On Light.........................................3-36
Highway Hypnosis...........................................4-35
Hill and Mountain Roads..................................4-36
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-18
Hydraulic Clutch.............................................5-23
6

Manual Windows............................................2-12
Message
DIC Warnings and Messages........................3-41
Mirrors
Automatic Dimming Rearview with
Compass and Temperature Display.............2-37
Manual Rearview Mirror................................2-36
Manual Rearview Mirror with OnStar
®.............2-37
Outside Convex Mirror.................................2-40
Outside Manual Mirrors................................2-39
Outside Power Mirrors..................................2-40
MyGMLink.com................................................ 7-4
N
New Vehicle Break-In......................................2-17
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-24
Odometer, Trip...............................................3-24
Off-Road Driving.............................................4-15
Off-Road Recovery..........................................4-12
Oil
Engine.......................................................5-13
Pressure Light.............................................3-35
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-35
Online Owner Center........................................ 7-4
OnStar
®System, see OnStar®Manual...............2-41
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-21
Outlet(s), Accessory Power...............................3-18
Outside
Convex Mirror.............................................2-40
Manual Mirrors............................................2-39
Power Mirrors.............................................2-40
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
9