engine coolant CHEVROLET COLORADO 2007 1.G Owner's Manual

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/retailer perform this service. See
Engine Coolant on page 345 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 452.
447

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 333for
further details.
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.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary.
SeeEngine Coolant on page 345for
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
Inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not
forget to check the spare tire. SeeInation - Tire
Pressure on page 384. Check to make sure
the spare tire is stored securely. SeeChanging
a Flat Tire on page 400.
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. See
Tire Inspection and Rotation on page 390.
448

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 333.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant
on page 345.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®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. 12378261,
in Canada 10953455) meeting
GM Specication 9986115.
452

Climate Control System............................... 177
Outlet Adjustment..................................... 180
Clock.......................................................... 208
Clutch, Hydraulic......................................... 344
Collision Damage Repair............................. 471
Comfort Guides, Rear Safety Belt................. 40
Compass............................................142, 145
Content Theft-Deterrent............................... 115
Control of a Vehicle..................................... 250
Coolant
Engine Temperature Gage........................ 191
Heater, Engine......................................... 123
Cooling System........................................... 350
Cruise Control............................................. 166
Cruise Control Light.................................... 196
Cupholder(s)................................................ 153
Customer Assistance Information
Courtesy Transportation........................... 469
Customer Assistance for Text
Telephone (TTY) Users......................... 464
Customer Assistance Offices.................... 464
Customer Satisfaction Procedure.............. 460Customer Assistance Information (cont.)
GM Mobility Reimbursement Program...... 465
Reporting Safety Defects to
General Motors..................................... 476
Reporting Safety Defects to the
Canadian Government.......................... 475
Reporting Safety Defects to the
United States Government.................... 475
Roadside Assistance Program.................. 466
Service Publications Ordering
Information........................................... 476
D
Daytime Running Lamps............................. 171
Daytime Running Lamps Indicator Light....... 197
Defensive Driving........................................ 246
Disc, MP3................................................... 234
Doing Your Own Service Work.................... 325
Dome Lamp................................................ 174
Dome Lamp Override.................................. 175
484

Door
Locks....................................................... 106
Power Door Locks................................... 107
Programmable Automatic Door Locks....... 108
Rear Door Security Locks........................ 108
Rear Doors.............................................. 109
Driver
Position, Safety Belt................................... 26
Driver Information Center (DIC)................... 198
DIC Controls and Displays....................... 198
DIC Warnings and Messages................... 202
Driving
At Night................................................... 276
City.......................................................... 281
Defensive................................................. 246
Drunken................................................... 247
Freeway................................................... 282
Hill and Mountain Roads.......................... 284
In Rain and on Wet Roads...................... 278
Off-Road.................................................. 260
Recovery Hooks....................................... 292
Rocking Your Vehicle to Get it Out.......... 291
Winter...................................................... 286E
EDR ............................................................ 478
Electrical System
Add-On Equipment................................... 432
Engine Compartment Fuse Block............. 433
Fuses and Circuit Breakers...................... 433
Windshield Wiper Fuses........................... 433
Engine
Air Cleaner/Filter...................................... 338
Check and Service Engine Soon Light..... 192
Coolant.................................................... 345
Coolant Heater......................................... 123
Coolant Temperature Gage...................... 191
Drive Belt Routing.................................... 455
Engine Compartment Overview................ 332
Exhaust................................................... 139
Fan Noise................................................ 355
Oil ........................................................... 333
Oil Life System........................................ 336
Overheating............................................. 348
Running While Parked............................. 140
Starting.................................................... 121
485

G
Gage
Engine Coolant Temperature.................... 191
Fuel......................................................... 197
Speedometer........................................... 183
Tachometer.............................................. 183
Gasoline
Octane..................................................... 326
Specications........................................... 326
Glove Box................................................... 153
GM Mobility Reimbursement Program.......... 465
H
Hazard Warning Flashers............................ 162
Head Restraints............................................ 15
Headlamps.................................................. 371
Bulb Replacement.................................... 370
Daytime Running Lamps.......................... 171
Exterior Lamps......................................... 170
Flash-to-Pass........................................... 165
Halogen Bulbs......................................... 370
High/Low Beam Changer......................... 165
On Reminder........................................... 171Heated Seats................................................ 11
Heater......................................................... 177
Highbeam On Light..................................... 196
Highway Hypnosis....................................... 284
Hill and Mountain Roads............................. 284
Hood
Checking Things Under............................ 331
Release................................................... 331
Horn............................................................ 162
How to Use This Manual................................ 3
How to Wear Safety Belts Properly............... 26
Hydraulic Clutch.......................................... 344
I
Ignition Positions......................................... 119
Infants and Young Children, Restraints.......... 46
Ination - Tire Pressure............................... 384
Instrument Panel
Overview.................................................. 160
Instrument Panel (I/P)
Brightness................................................ 174
Cluster..................................................... 182
Interior Lamps............................................. 174
487