cooling CHEVROLET COLORADO 2018 Owner's Guide

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Service and Maintenance 367
Maintenance Schedule
Additional Required
Services - Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Replace engine air cleaner filter. (2)@ @@
Inspect evaporative control system. (3)@@@
Replace spark plugs. Inspect spark plug wires.@
Change transfer case fluid, if equipped with
4WD. (4)@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. If equipped with an automatic
transmission. (7)
Replace brake/clutch fluid. If equipped with
manual transmission. (8)
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, windowfogging, or odors. Your GM dealer
can help determine when to replace
the filter.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
368 Service and Maintenance
(2)Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(4) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 287.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 294. (8)
If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0294.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Service and Maintenance 369
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Replace engine air cleaner filter. (2)@ @@
Inspect evaporative control system. (3)@@@
Replace spark plugs. Inspect spark plug wires.@
Change automatic transmission fluid and filter.@@@
Change manual transmission fluid.@@@
Change transfer case fluid, if equipped with
4WD. (4)@@@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. If equipped with an automatic
transmission. (7)
Replace brake/clutch fluid. If equipped with
manual transmission. (8)

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
370 Service and Maintenance
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(4) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5)
Or every five years, whichever
comes first. See Cooling System
0 287.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 294.
(8) If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0294.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 353.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
374 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine, see the
recommended fluids and lubricants section in the Duramax diesel supplement.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission (6 Speed) DEXRON-VI Automatic Transmission Fluid.
Automatic Transmission (8 Speed) DEXRON-HP Automatic Transmission Fluid (GM Part No. 19331925, in Canada 19300537).
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL coolant. SeeCooling System 0287.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 is recommended. See Engine Oil0281.
Floor Shift Linkage Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.
Front (If Equipped With Four-Wheel Drive) and Rear Axle SAE 75W-90 Axle Lubricant (GM Part No. 88863089, in
Canada 88863090).
Hydraulic Brake/Clutch System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19299819).

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Technical Data 379
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants 0374.
If the vehicle has a diesel engine, see the Duramax diesel supplement.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Cooling System
2.5L L4 9.1 L 9.6 qt
3.6L V6 10.6 L 11.2 qt
Engine Oil with Filter
2.5L L4 4.7 L 5.0 qt
3.6L V6 5.7 L 6.0 qt
Fuel Tank 80 L 21 gal
Transfer Case Fluid 1.9 L 2.0 qt
Wheel Nut Torque 190 Y140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
410 Index
Center High-MountedStoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . . . 304
Chains, Tire . . . . . . . . . . . . . . . . . . . . 332
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . .110
Charging System Light . . . . . . . . . 120
Check
Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 120
Ignition Transmission Lock . . . 299
Child Restraints Infants and Young Children . . . . . 74
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 80
Older Children . . . . . . . . . . . . . . . . . . 73
Securing . . . . . . . . . . . . . . . . . . . . 94, 99
Systems . . . . . . . . . . . . . . . . . . . . . . . . 77
Circuit Breakers . . . . . . . . . . . . . . . . 305
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 353
Interior Care . . . . . . . . . . . . . . . . . . 358
Climate Control Systems . . . . . . . 191 Air Conditioning . . . . . . . . . . . . . . 191
Automatic . . . . . . . . . . . . . . . . . . . . . 193
Heating . . . . . . . . . . . . . . . . . . . . . . . 191
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Cluster, Instrument . . . . . . . . 112, 114 Clutch, Hydraulic . . . . . . . . . . . . . . . 285
Collision Damage Repair . . . . . . . 389
Compact Spare Tire . . . . . . . . . . . . 343
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . 103
Compass . . . . . . . . . . . . . . . . . . . . . . . 108
Connections OnStar . . . . . . . . . . . . . . . . . . . . . . . 399
Control Hill Descent . . . . . . . . . . . . . . . . . . 243
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 240
Control Light Hill Descent . . . . . . . . . . . . . . . . . . 124
Control of a Vehicle . . . . . . . . . . . . . 199
Convex Mirrors . . . . . . . . . . . . . . . . . . 38
Coolant Engine Temperature Gauge . . .117
Cooling . . . . . . . . . . . . . . . . . . . . 191, 193
Cooling System . . . . . . . . . . . . . . . . . 287
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 388
Cruise Control . . . . . . . . . . . . . . . . . . 247 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Cupholders . . . . . . . . . . . . . . . . . . . . . 103
Customer Assistance . . . . . . . . . . . 385
Offices . . . . . . . . . . . . . . . . . . . . . . . . 384 Customer Assistance (cont'd)
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 385
Customer Information
Service PublicationsOrdering Information . . . . . . . . 391
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 382
D
Damage Repair, Collision . . . . . . . 389
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 395
OnStar . . . . . . . . . . . . . . . . . . . . . . . 395
Data Recorders, Event . . . . . . . . . 394
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 144
Defensive Driving . . . . . . . . . . . . . . . 199
Delayed Locking . . . . . . . . . . . . . . . . . 34
Diagnostics
OnStar . . . . . . . . . . . . . . . . . . . . . . . 401
Differential, Limited-Slip . . . . . . . . 245
Distracted Driving . . . . . . . . . . . . . . . 198
Dome Lamps . . . . . . . . . . . . . . . . . . . 147
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 128
Delayed Locking . . . . . . . . . . . . . . . . 34

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Index 411
Door (cont'd)Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Power Locks . . . . . . . . . . . . . . . . . . . . 34
Drive Belt Routing, Engine . . . . . . 381
Driver Information
Center (DIC) . . . . . . . . . . . . . 129, 131
Driver Mode Control . . . . . . . . . . . . 244
Driving Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 259
Defensive . . . . . . . . . . . . . . . . . . . . . 199
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 199
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 207
If the Vehicle is Stuck . . . . . . . . . 209
Loss of Control . . . . . . . . . . . . . . . 201
Off-Road . . . . . . . . . . . . . . . . . . . . . 201
Off-Road Recovery . . . . . . . . . . . 200
Vehicle Load Limits . . . . . . . . . . . 210
Wet Roads . . . . . . . . . . . . . . . . . . . 206
Winter . . . . . . . . . . . . . . . . . . . . . . . . 207
E
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . . 272
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 306 Electrical System (cont'd)
Fuses and Circuit Breakers . . . 305
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 310
Overload . . . . . . . . . . . . . . . . . . . . . 305
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 397
Engine Air Cleaner/Filter . . . . . . . . . . . . . 286
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 120
Compartment Overview . . . . . . . 278
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .117
Cooling System . . . . . . . . . . . . . . . 287
Drive Belt Routing . . . . . . . . . . . . 381
Exhaust . . . . . . . . . . . . . . . . . . . . . . 223
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Heater . . . . . . . . . . . . . . . . . . . . . . . . 219
Oil Life System . . . . . . . . . . . . . . . 283
Oil Pressure Light . . . . . . . . . . . . 126
Overheating . . . . . . . . . . . . . . . . . . 291
Power Messages . . . . . . . . . . . . . 135
Running While Parked . . . . . . . . 223
Starting . . . . . . . . . . . . . . . . . . . . . . . 218
Entry Lighting . . . . . . . . . . . . . . . . . . . 148
Equipment, Towing . . . . . . . . . . . . . 264
Event Data Recorders . . . . . . . . . . 394 Exit Lighting . . . . . . . . . . . . . . . . . . . . 148
Extender, Seat Belt . . . . . . . . . . . . . . 58
Exterior Lamp Controls . . . . . . . . . 142
Exterior Lamps Off Reminder . . . 143
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 149
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 292
Filter, Engine Air Cleaner . . . . . . . . . . . 286
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 143
Flashers, Hazard Warning . . . . . . 145
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 332 Changing . . . . . . . . . . . . . . . . . . . . . 334
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 361
Fluid
Automatic Transmission . . . . . . 285
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 294
Four-Wheel DriveTransfer Case . . . . . . . . . . . . . . . 231
Washer . . . . . . . . . . . . . . . . . . . . . . . 293
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 146
Folding Mirrors . . . . . . . . . . . . . . . . . . 39
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 251
Four-Wheel Drive . . . . . . . . . . 231, 296