engine coolant CHEVROLET COLORADO 2008 1.G Owner's Manual

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-15. Reset oil life system.
SeeEngine Oil Life System on page 5-18.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 5-20.See footnote (j).•
Rotate tires and check ination pressures and wear. SeeTire Inspection and
Rotation on page 5-74and “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 and transfer case uid levels and add uid as needed.•
6-5

(h)Change automatic transmission fluid and filter 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, flush, and refill cooling system. This service
can be complex; you should have your dealer/retailer
perform this service. See Engine Coolant on page 5-27
for what to use. Inspect hoses. Clean radiator,
condenser, pressure cap, and filler neck. Pressure test
the cooling system and pressure cap.
(j)If you drive regularly under dusty conditions, inspect
the filter 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 dealer/retailer 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 fill.
6-8

Engine Oil Level Check
Notice:It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by your warranty.
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-15.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-27.
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
Inspect your vehicle’s tires and make sure they are
inated to the correct pressures. Do not forget to check
the spare tire. SeeInflation - Tire Pressure on
page 5-66. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-84.
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 5-74.
6-9

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number, or specication can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets
GM Standard GM6094M and
displays the American Petroleum
Institute Certied for Gasoline
Engines starburst symbol. To
determine the proper viscosity for
your vehicle’s engine, seeEngine
Oil on page 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-27.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherOptikleen
®Washer Solvent.
Parking Brake
Cable GuidesChassis Lubricant
(GM Part No. U.S. 12377985,
in Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Manual
TransmissionManual Transmission Fluid
(GM Part No. U.S. 89021806,
in Canada 89021807).
Hydraulic
Clutch SystemHydraulic Clutch Fluid
(GM Part No. U.S. 12345347,
in Canada 10953517) or equivalent
DOT-3 brake uid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Chassis
LubricationChassis Lubricant
(GM Part No. U.S. 12377985,
in Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Front and
Rear AxleSAE 75W-90 Synthetic
Axle Lubricant (GM Part
No. U.S. 89021677,
in Canada 89021678) meeting
GM Specication 9986115.
6-12

Child Restraints
Child Restraint Systems...............................1-40
Infants and Young Children...........................1-36
Lower Anchors and Tethers for Children..........1-43
Older Children.............................................1-33
Securing a Child Restraint in a Rear Seat
Position..................................................1-54
Securing a Child Restraint in the Center
Front Seat Position...................................1-56
Securing a Child Restraint in the Right
Front Seat Position...................................1-56
Where to Put the Restraint...........................1-42
Chime Level Adjustment..................................3-69
Cigarette Lighter.............................................3-19
Cleaning
Aluminum or Chrome-Plated Wheels.............5-111
Exterior Lamps/Lenses................................5-109
Fabric/Carpet............................................5-106
Finish Care...............................................5-110
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-108
Interior.....................................................5-105
Leather....................................................5-107
Tires........................................................5-112
Underbody Maintenance.............................5-112
Washing Your Vehicle.................................5-109
Weatherstrips............................................5-108
Windshield and Wiper Blades......................5-110Climate Control System...................................3-19
Outlet Adjustment........................................3-21
Clock, Setting.................................................3-46
Clutch, Hydraulic.............................................5-26
Collision Damage Repair..................................7-12
Compass...............................................2-40, 2-43
Content Theft-Deterrent....................................2-15
Control of a Vehicle.......................................... 4-3
Coolant
Engine.......................................................5-27
Engine Temperature Gage............................3-32
Cooling System..............................................5-32
Cruise Control................................................3-10
Cruise Control Light........................................3-36
Cupholders....................................................2-50
Customer Assistance Information
Courtesy Transportation................................7-10
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-6
Customer Assistance Offices........................... 7-6
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-7
Reporting Safety Defects to General Motors....7-15
Reporting Safety Defects to the Canadian
Government............................................7-15
Reporting Safety Defects to the United
States Government...................................7-15
3

Customer Assistance Information (cont.)
Roadside Assistance Program......................... 7-8
Service Publications Ordering Information........7-16
D
Daytime Running Lamps..................................3-14
Defensive Driving............................................. 4-2
Diesel
Running Out of Fuel....................................2-38
Disc, MP3......................................................3-63
Doing Your Own Service Work........................... 5-4
Dome Lamp ...................................................3-17
Dome Lamp Override......................................3-17
Door
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks............................... 2-9
Rear Doors.................................................. 2-9
Driver Information Center (DIC).........................3-37
DIC Operation and Displays..........................3-37
DIC Warnings and Messages........................3-40
Driving
At Night.....................................................4-24
Before a Long Trip......................................4-26
Defensive..................................................... 4-2
Drunken....................................................... 4-2Driving (cont.)
Highway Hypnosis.......................................4-26
Hill and Mountain Roads..............................4-27
In Rain and on Wet Roads...........................4-25
Off-Road ....................................................4-11
Recovery Hooks..........................................4-32
Rocking Your Vehicle to Get it Out.................4-32
Winter........................................................4-28
E
EDR .............................................................7-17
Electrical System
Add-On Equipment.....................................5-114
Engine Compartment Fuse Block.................5-115
Fuses and Circuit Breakers.........................5-115
Windshield Wiper Fuses.............................5-115
Electronic Immobilizer
PASS-Key
®III+...........................................2-17
Electronic Immobilizer Operation
PASS-Key
®III+...........................................2-17
Engine
Air Cleaner/Filter.........................................5-20
Check and Service Engine Soon Light............3-33
Coolant......................................................5-27
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-32
4

G
Gage
Engine Coolant Temperature.........................3-32
Fuel..........................................................3-36
Speedometer..............................................3-24
Tachometer.................................................3-24
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-50
GM Mobility Reimbursement Program.................. 7-7
H
Hazard Warning Flashers................................... 3-5
Head Restraints............................................... 1-7
Headlamp
Aiming .......................................................5-51
Headlamps....................................................5-52
Bulb Replacement.......................................5-51
Daytime Running Lamps...............................3-14
Exterior Lamps............................................3-13
Flash-to-Pass............................................... 3-8
Halogen Bulbs............................................5-51
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-14Heated Seats................................................... 1-4
Heater...........................................................3-19
Engine Coolant...........................................2-23
Highbeam On Light.........................................3-36
High-Speed Operation, Tires.............................5-68
Highway Hypnosis...........................................4-26
Hill and Mountain Roads..................................4-27
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Wear Safety Belts Properly...................1-17
Hydraulic Clutch.............................................5-26I
Ignition Positions.............................................2-19
Infants and Young Children, Restraints...............1-36
Ination - Tire Pressure...................................5-66
Instrument Panel
Brightness..................................................3-17
Cluster.......................................................3-23
Overview..................................................... 3-4
Interior Lamps................................................3-16
6