2005 CHEVROLET COLORADO check oil

Maintenance Schedule
Introduction
Important: Keep engine oil at the proper level and
change as recommended.
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet or your dealer
for details.
Maintenance Requirements
Notice:Maintenance intervals, checks, inspections,
replacement parts, and recommended uids and
lubricants as prescribed in this manual are
necessary to keep your vehicle in good working
condition. Any damage caused by failure to follow
scheduled maintenance may not be covered by
warranty.
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep your
vehicle in good working condition, but also helps the
environment. All recommended maintenance is
important. Improper vehicle maintenance can even
affect the quality of the air we breathe. Improper uid
levels or the wrong tire ination can increase the level
of emissions from your vehicle. To help protect our
environment, and to keep your vehicle in good condition,
be sure to maintain your vehicle properly.
6-2

Owner Checks and Services on page 6-9tells you what
should be checked, when to check it and what you
can easily do to help keep your vehicle in good
condition.
The proper replacement parts, uids and lubricants to
use are listed inRecommended Fluids and Lubricants
on page 6-12andNormal Maintenance Replacement
Parts on page 6-14. When your vehicle is serviced,
make sure these are used. All parts should be replaced
and all necessary repairs done before you or anyone
else drives the vehicle. We recommend the use of
genuine GM parts.
Scheduled Maintenance
When the CHANGE OIL message comes on, it means
that service is required for your vehicle. SeeDIC
Warnings and Messages on page 3-39. Have your
vehicle serviced as soon as possible within the next
600 miles (1 000 km). It is possible that, if you are driving
under the best conditions, the engine oil life system may
not indicate that vehicle service is necessary for over a
year. However, your engine oil and lter must be changed
at least once a year and at this time the system must be
reset. Your GM Goodwrench
®dealer has GM-trained
service technicians who will perform this work using
genuine GM parts and reset the system.If the engine oil life system is ever reset accidentally,
you must service your vehicle within 3,000 miles
(5 000 km) since your last service. Remember to reset
the oil life system whenever the oil is changed. See
Engine Oil Life System on page 5-16for information on
the Engine Oil Life System and resetting the system.
When the CHANGE OIL message appears, certain
services, checks, and inspections are required.
Required services are described in the following for
“MaintenanceI” and “MaintenanceII.” Generally,
it is recommended that your rst service be
MaintenanceI, your second service be MaintenanceII,
and that you alternate MaintenanceIand MaintenanceII
thereafter. However, in some cases, MaintenanceII
may be required more often.
MaintenanceI— Use MaintenanceIif the CHANGE
OIL message comes on within 10 months since the
vehicle was purchased or MaintenanceIIwas
performed.
MaintenanceII— Use MaintenanceIIif the previous
service performed was MaintenanceI. Always use
MaintenanceIIwhenever the message comes on
10 months or more since the last service or if the
message has not come on at all for one year.
6-4

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-13. Reset oil life
system. SeeEngine Oil Life System on page 5-16.An Emission Control
Service.••
Visually check for any leaks or damage.See footnote (g).••
Inspect engine air cleaner lter. If necessary, replace lter. SeeEngine Air
Cleaner/Filter on page 5-18.See footnote (j).•
Rotate tires and check ination pressures and wear. SeeTire Inspection and
Rotation on page 5-60and “Tire Wear Inspection” inAt Least Once a Month
on page 6-9.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid as
needed.••
Perform any needed additional services. See “Additional Required Services”
in this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Check transmission uid level and add uid as needed.•
6-5

(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 airbag
coverings, and have them repaired or replaced.
The airbag 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. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-25 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.
6-8

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.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary.
SeeEngine Coolant on page 5-25for 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.
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.
6-9

E
Electrical System
Add-On Equipment......................................5-98
Engine Compartment Fuse Block...................5-99
Fuses and Circuit Breakers...........................5-99
Power Windows and Other Power Options......5-98
Windshield Wiper Fuses...............................5-98
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-39
Check and Service Engine Soon Light............3-30
Coolant......................................................5-25
Coolant Heater............................................2-20
Coolant Temperature Gage...........................3-30
Engine Compartment Overview......................5-12
Exhaust.....................................................2-33
Fan Noise..................................................5-34
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheating................................................5-28
Starting......................................................2-18
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-17
Extender, Safety Belt.......................................1-31
Exterior Cargo Lamps......................................3-16
Exterior Lamps...............................................3-13
F
Filter
Engine Air Cleaner......................................5-18
Finish Damage...............................................5-95
Fixed Mast Antenna........................................3-72
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-67
Flat Tire, Changing.........................................5-68
Flat Tire, Storing.............................................5-83
Fluid
Automatic Transmission................................5-19
Manual Transmission....................................5-22
Power Steering...........................................5-34
Windshield Washer......................................5-35
Fog Lamps....................................................3-16
Four-Wheel Drive....................................2-25, 5-44
Front Armrest Storage Area..............................2-41
Front Axle......................................................5-45
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-35
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
5

Light (cont.)
Oil Pressure...............................................3-33
Safety Belt Reminder...................................3-24
Security.....................................................3-34
Up-Shift.....................................................3-28
Lighting
Exit...........................................................3-17
Loading Your Vehicle.......................................4-42
Lockout Protection..........................................2-10
Locks
Door........................................................... 2-7
Lockout Protection.......................................2-10
Power Door.................................................. 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks............................... 2-9
Loss of Control...............................................4-13
Lumbar
Manual Controls............................................ 1-4
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
Introduction.................................................. 6-2Maintenance Schedule (cont.)
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-15
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-14
Owner Checks and Services........................... 6-9
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-30
Manual Lumbar Controls.................................... 1-4
Manual Seats................................................... 1-3
Manual Transmission
Fluid..........................................................5-22
Operation...................................................2-23
Manual Windows............................................2-12
Message
DIC Warnings and Messages........................3-39
Mirrors
Automatic Dimming Rearview with Compass
and Temperature Display...........................2-36
Manual Rearview Mirror................................2-35
Manual Rearview Mirror with OnStar
®.............2-35
Outside Convex Mirror.................................2-39
Outside Manual Mirrors................................2-38
Outside Power Mirrors..................................2-38
MyGMLink.com................................................ 7-3
8

N
New Vehicle Break-In......................................2-16
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-24
Odometer, Trip...............................................3-24
Off-Road Recovery..........................................4-11
Oil
Engine.......................................................5-13
Pressure Light.............................................3-33
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-32
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-39
Operating Your All-Wheel-Drive Vehicle Off
Paved Roads..............................................4-14
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-21
Outside
Convex Mirror.............................................2-39
Manual Mirrors............................................2-38
Power Mirrors.............................................2-38
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Park (P)
Shifting Into................................................2-30
Shifting Out of............................................2-32
Parking
Brake........................................................2-29
Over Things That Burn.................................2-33
Parking Your Vehicle.......................................2-32
Passing.........................................................4-12
Passlock
®......................................................2-16
Pickup Conversion to Chassis Cab....................4-48
Power
Accessory Outlets........................................3-17
Door Locks.................................................. 2-8
Electrical System.........................................5-98
Retained Accessory (RAP)............................2-18
Seat............................................................ 1-4
Steering Fluid.............................................5-34
Windows....................................................2-13
Pretensioners, Safety Belt................................1-31
Programmable Automatic Door Locks.................. 2-8
Q
Questions and Answers About Safety Belts.........1-16
9