Engine CHEVROLET COLORADO 2017 2.G Workshop Manual
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
220 Driving and Operating
{Warning
Driving to the top of a hill at high
speed can cause an accident.
There could be a drop-off,
embankment, cliff, or even
another vehicle. You could be
seriously injured or killed. As you
near the top of a hill, slow down
and stay alert.
.Never go downhill forward orbackward with either thetransmission or transfer case inN(Neutral).Thebrakescouldoverheat and you could losecontrol.
{Warning
If the vehicle has the two-speed
automatic or electronic transfer
case, shifting the transfer case to
N(Neutral)cancauseyour
vehicle to roll even if the
transmission is in P (Park). This is
because the N (Neutral) position
(Continued)
Warning (Continued)
on the transfer case overrides the
transmission. You or someone
else could be injured. If leaving
the vehicle, set the parking brake
and shift the transmission to
P(Park).Shiftthetransfercaseto
any position but N (Neutral).
.When driving down a hill, keepthe vehicle headed straightdown. Use a low gear becausethe engine will work with thebrakes to slow the vehicle andhelp keep the vehicle undercontrol.
{Warning
Heavy braking when going down
ahillcancauseyourbrakesto
overheat and fade. This could
cause loss of control and you or
others could be injured or killed.
Apply the brakes lightly when
(Continued)
Warning (Continued)
descending a hill and use a low
gear to keep vehicle speed under
control.
If the vehicle stalls on a hill:
1. Apply the brakes to stop thevehicle, and then apply theparking brake.
2. Shift into P (Park) and thenrestart the engine.
.If driving uphill when thevehicle stalls, shift toR(Reverse),releasetheparking brake, and backstraight down.
.Never try to turn the vehiclearound. If the hill is steepenough to stall the vehicle,it is steep enough to causeit to roll over.
.If you cannot make it up thehill, back straight downthe hill.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
Driving and Operating 223
{Warning
Wet brakes can cause crashes.
They might not work as well in a
quick stop and could cause
pulling to one side. You could
lose control of the vehicle.
After driving through a large
puddle of water or a car/vehicle
wash, lightly apply the brake
pedal until the brakes work
normally.
Flowing or rushing water creates
strong forces. Driving through
flowing water could cause the
vehicle to be carried away. If this
happens, you and other vehicle
occupants could drown. Do not
ignore police warnings and be
very cautious about trying to drive
through flowing water.
Hydroplaning
Hydroplaning is dangerous. Watercan build up under the vehicle'stires so they actually ride on thewater. This can happen if the road iswet enough and you are going fastenough. When the vehicle ishydroplaning, it has little or nocontact with the road.
There is no hard and fast rule abouthydroplaning. The best advice is toslow down when the road is wet.
Other Rainy Weather Tips
Besides slowing down, other wetweather driving tips include:
.Allow extra following distance.
.Pass with caution.
.Keep windshield wipingequipment in good shape.
.Keep the windshield washer fluidreservoir filled.
.Have good tires with propertread depth. SeeTires0316.
.Turn off cruise control.
Hill and Mountain Roads
Driving on steep hills or throughmountains is different than drivingon flat or rolling terrain. Tips include:
.Keep the vehicle serviced and ingood shape.
.Check all fluid levels and brakes,tires, cooling system, andtransmission.
.Shift to a lower gear when goingdown steep or long hills.
{Warning
Using the brakes to slow the
vehicle on a long downhill slope
can cause brake overheating, can
reduce brake performance, and
could result in a loss of braking.
Shift the transmission to a lower
gear to let the engine assist the
brakes on a steep downhill slope.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
224 Driving and Operating
{Warning
Coasting downhill in N (Neutral)
or with the ignition off is
dangerous. This can cause
overheating of the brakes and
loss of steering. Always have the
engine running and the vehicle
in gear.
.Drive at speeds that keep thevehicle in its own lane. Do notswing wide or cross thecenter line.
.Be alert on top of hills;something could be in your lane(e.g., stalled car, accident).
.Pay attention to special roadsigns (e.g., falling rocks area,winding roads, long grades,passing or no-passing zones)and take appropriate action.
Winter Driving
Driving on Snow or Ice
Snow or ice between the tires andthe road creates less traction orgrip, so drive carefully. Wet ice canoccur at about 0 °C (32 °F) whenfreezing rain begins to fall. Avoiddriving on wet ice or in freezing rainuntil roads can be treated.
For Slippery Road Driving:
.Accelerate gently. Acceleratingtoo quickly causes the wheels tospin and makes the surfaceunder the tires slick.
.Turn on Traction Control. SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0256.
.The Antilock Brake System(ABS) improves vehicle stabilityduring hard stops, but thebrakes should be applied soonerthan when on dry pavement.SeeAntilock Brake System(ABS)0254.
.Allow greater following distanceand watch for slippery spots. Icypatches can occur on otherwiseclear roads in shaded areas.The surface of a curve or anoverpass can remain icy whenthe surrounding roads are clear.Avoid sudden steeringmaneuvers and braking whileon ice.
.Turn off cruise control.
Blizzard Conditions
Stop the vehicle in a safe place andsignal for help. Stay with the vehicleunless there is help nearby.If possible, use RoadsideAssistance. SeeRoadsideAssistance Program0387.Togethelp and keep everyone in thevehicle safe:
.Turn on the hazard warningflashers.
.Tie a red cloth to an outsidemirror.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
Driving and Operating 225
{Warning
Snow can trap engine exhaust
under the vehicle. This may
cause exhaust gases to get
inside. Engine exhaust contains
carbon monoxide (CO), which
cannot be seen or smelled. It can
cause unconsciousness and even
death.
If the vehicle is stuck in snow:
.Clear snow from the base ofthe vehicle, especially anyblocking the exhaust pipe.
.Open a window about 5 cm(2 in) on the vehicle sidethat is away from the wind,to bring in fresh air.
.Fully open the air outlets onor under the instrumentpanel.
.Adjust the climate controlsystem to circulate the airinside the vehicle and set
(Continued)
Warning (Continued)
the fan speed to the highestsetting. See“ClimateControl Systems.”
For more information about CO,
seeEngine Exhaust0240.
To s a v e f u e l , r u n t h e e n g i n e f o rshort periods to warm the vehicleand then shut the engine off andpartially close the window. Movingabout to keep warm also helps.
If it takes time for help to arrive,when running the engine, push theaccelerator pedal slightly so theengine runs faster than the idlespeed. This keeps the batterycharged to restart the vehicle and tosignal for help with the headlamps.Do this as little as possible, tosave fuel.
If the Vehicle Is Stuck
Slowly and cautiously spin thewheels to free the vehicle whenstuck in sand, mud, ice, or snow.See“Rocking the Vehicle to Get ItOut”later in this section.
The Traction Control System (TCS)can often help to free a stuckvehicle. SeeTr a c t i o n C o n t r o l /Electronic Stability Control0256.If TCS cannot free the vehicle, see“Rocking the Vehicle to Get it Out”following.
{Warning
If the vehicle's tires spin at high
speed, they can explode, and you
or others could be injured. The
vehicle can overheat, causing an
engine compartment fire or other
damage. Spin the wheels as little
as possible and avoid going
above 56 km/h (35 mph).
For information about using tirechains on the vehicle, seeTireChains0335.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
232 Driving and Operating
Structural members (1) and (2) areincluded in the pickup box design.Additional accessories should usethese load points. Depending on theaccessory design, use a spacerunder the accessory at the loadpoints to remove gap. The holes forGM approved accessories (3) arenot intended for aftermarketequipment. See www.gmupfitter.comfor additional pickup box loadbearing structural information.
Truck-Camper Loading
Information
The vehicle was neither
designed nor intended to carry a
slide-in camper.
Caution
Adding a slide-in camper or
similar equipment to the vehicle
can damage it, and the repairs
would not be covered by the
vehicle warranty. Do not install a
slide-in camper or similar
equipment on the vehicle.
Starting and
Operating
New Vehicle Break-In
Caution
The vehicle does not need an
elaborate break-in. But it will
perform better in the long run if
you follow these guidelines:
.Keep the vehicle speed at88 km/h (55 mph) or less forthe first 805 km (500 mi).
.Do not drive at any oneconstant speed, fast or slow,for the first 805 km (500 mi).Do not make full-throttlestarts. Avoid downshifting tobrake or slow the vehicle.
.Avoid making hard stops forthe first 322 km (200 mi) orso. During this time the newbrake linings are not yetbroken in. Hard stops withnew linings can mean
(Continued)
Caution (Continued)
premature wear and earlierreplacement. Follow thisbreaking-in guideline everytime you get new brakelinings.
.Do not tow a trailer duringbreak-in. SeeTr a i l e r To w i n g0272for the trailer towingcapabilities of the vehicleand more information.
Following break-in, engine speed
and load can be gradually
increased.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
Driving and Operating 233
Ignition Positions
The ignition switch has four differentpositions.
To s h i f t o u t o f P ( P a r k ) , t h e i g n i t i o nmust be in ON/RUN or ACC/ACCESSORY and the regular brakepedal must be applied.
0(STOPPINGTHEENGINE/LOCK/OFF) :When the vehicle is stopped,turn the ignition switch to LOCK/OFF to turn the engine off. RetainedAccessory Power (RAP) will remainactive. SeeRetained AccessoryPower (RAP)0237.
This position locks the ignition andsteering wheel. It also locks thetransmission on automatictransmission vehicles. The key canbe removed in LOCK/OFF.
The steering can bind with thewheels turned off center. If thishappens, move the steering wheelfrom right to left while turning thekey to ACC/ACCESSORY. If thisdoes not work, then the vehicleneeds service.
Do not turn the engine off when thevehicle is moving. This will cause aloss of power assist in the brakeand steering systems and disablethe airbags.
If the vehicle must be shut off in anemergency:
1. Brake using a firm and steadypressure. Do not pump thebrakes repeatedly. This maydeplete power assist, requiringincreased brake pedal force.
2. Shift the vehicle to N (Neutral).This can be done while thevehicle is moving. After shiftingto N (Neutral), continue to
firmly apply the brakes andsteer the vehicle to a safelocation.
3. Come to a complete stop. Shiftto P (Park) with an automatictransmission, or Neutral with amanual transmission. Turn theignition to LOCK/OFF.
4. Set the parking brake. SeeParking Brake0254.
{Warning
Turning off the vehicle while
moving may cause loss of power
assist in the brake and steering
systems and disable the airbags.
While driving, only shut the
vehicle off in an emergency.
If the vehicle cannot be pulled over,and must be shut off while driving,turn the ignition to ACC/ACCESSORY.
On vehicles with an automatictransmission, the shift lever must bein P (Park) to turn the ignition switchto LOCK/OFF.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
234 Driving and Operating
Caution
Using a tool to force the key to
turn in the ignition could cause
damage to the switch or break the
key. Use the correct key, make
sure it is all the way in, and turn it
only with your hand. If the key
cannot be turned by hand, see
your dealer.
1(ACC/ACCESSORY):Thisposition lets things like the radioand the windshield wipers operatewhile the engine is off. It alsounlocks the steering wheel. Use thisposition if the vehicle must bepushed or towed.
2(ON/RUN):This position can beused to operate the electricalaccessories and to display someinstrument cluster warning andindicator lights. This position canalso be used for service anddiagnostics, and to verify the properoperation of the malfunctionindicator lamp as may be requiredfor emission inspection purposes.The switch stays in this position
when the engine is running. Thetransmission is also unlocked in thisposition on automatic transmissionvehicles.
If the key is left in the ACC/ACCESSORY or ON/RUN positionwith the engine off, the battery couldbe drained. The vehicle may notstart if the battery is allowed to drainfor an extended period of time.
3(START):This is the position thatstarts the engine. When the enginestarts, release the key. The ignitionswitch returns to ON/RUN fordriving.
Awarningtonewillsoundwhenthedriver door is opened, the ignition isin ACC/ACCESSORY or LOCK/OFF, and the key is in the ignition.
Starting the Engine
If the vehicle has a diesel engine,see the Duramax dieselsupplement.
Caution
If you add electrical parts or
accessories, you could change
the way the engine operates. Any
resulting damage would not be
covered by the vehicle warranty.
SeeAdd-On Electrical
Equipment0278.
Place the transmission in theproper gear.
Automatic Transmission
Move the shift lever to P (Park) orN(Neutral). The engine will not startin any other position. To restart theengine when the vehicle is alreadymoving, use N (Neutral) only.
Caution
Do not try to shift to P (Park) if the
vehicle is moving. If you do, you
could damage the transmission.
Shift to P (Park) only when the
vehicle is stopped.
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
Driving and Operating 235
Manual Transmission
The shift lever should be in Neutraland the parking brake engaged.Hold the clutch pedal down to thefloor and start the engine. Thevehicle will not start if the clutchpedal is not all the way down.
Starting Procedure
1. With your foot off theaccelerator pedal, turn theignition key to START. Whenthe engine starts, let go of thekey. The idle speed will godown as the engine gets warm.Do not race the engineimmediately after starting it.Operate the engine andtransmission gently to allow theoil to warm up and lubricate allmoving parts.
Caution
Cranking the engine for long
periods of time, by returning the
ignition to the START position
immediately after cranking has
(Continued)
Caution (Continued)
ended, can overheat and damage
the cranking motor, and drain the
battery. Wait at least 15 seconds
between each try, to let the
cranking motor cool down.
2. If the engine does not startafter five to 10 seconds,especially in very cold weather(below✓18 °C or 0 °F), it couldbe flooded with too muchgasoline. Try pushing theaccelerator pedal all the way tothe floor and holding it therewhile holding the key in STARTfor up to 15 seconds. Wait atleast 15 seconds between eachtry, to allow the cranking motorto cool down. When the enginestarts, let go of the key andaccelerator. If the vehicle startsbriefly but then stops again, dothe same thing. This clears theextra gasoline from the engine.Do not race the engineimmediately after starting it.Operate the engine and
transmission gently until the oilwarms up and lubricates allmoving parts.
Engine Heater
If the vehicle has a diesel engine,see the Duramax dieselsupplement.
{Warning
Do not plug in the engine block
heater while the vehicle is in
parked in a garage or under a
carport. Property damage or
personal injury may result. Always
park the vehicle in a clear open
area away from buildings or
structures.
If equipped, the engine heater canprovide easier starting and betterfuel economy during enginewarm-up in cold weather conditionsat or below✓18 °C (0 °F). Vehicleswith an engine heater should beplugged in at least four hours beforestarting. An internal thermostat inthe plug-end of the cord may exist,
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
236 Driving and Operating
which will prevent engine heateroperation at temperatures above✓18 °C (0 °F).
Heater Cord Near Coolant Surge
Tank, 2.5L L4 Engine Shown, 3.6L
V6 Engine Similar
Heater Cord Near Engine Air
Cleaner, 2.5L L4 Engine Shown,
3.6L V6 Engine Similar
To Use the Engine Heater
1. Turn off the engine.
2. Open the hood and unwrap theelectrical cord. The cord issecured near the coolant surgetank or to the engine aircleaner. Carefully removethe cord.
Check the heater cord fordamage. If it is damaged, donot use it. See your dealer forareplacement.Inspectthecord for damage yearly.
3. Plug the cord into a normal,grounded 110-volt AC outlet.
{Warning
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
.Plug the cord into athree-prong electrical utilityreceptacle that is protectedby a ground fault detectionfunction. An ungroundedoutlet could cause anelectric shock.
.Use a weatherproof,heavy-duty, 15 amp-ratedextension cord if needed.Failure to use therecommended extensioncord in good operatingcondition, or using adamaged heater orextension cord, could make
(Continued)
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Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-10122675) - 2017 - crc - 8/22/16
Driving and Operating 237
Warning (Continued)
it overheat and cause a fire,property damage, electricshock, and injury.
.Do not operate the vehiclewith the heater cordpermanently attached to thevehicle. Possible heatercord and thermostatdamage could occur.
.While in use, do not let theheater cord touch vehicleparts or sharp edges. Neverclose the hood on theheater cord.
.Before starting the vehicle,unplug the cord, reattachthe cover to the plug, andsecurely fasten the cord.Keep the cord away fromany moving parts.
4. Before starting the engine, besure to unplug and store thecord as it was before to keep it
away from moving engineparts. If you do not, it could bedamaged.
The length of time the heater shouldremain plugged in depends onseveral factors. Ask a dealer in thearea where you will be parking thevehicle for the best advice on this.
Retained Accessory
Power (RAP)
The following vehicle accessoriescan be used for up to 10 minutesafter the engine is turned off:
.Audio System
.Power Windows
.OnStar System (if equipped)
These features work when the keyis in ON/RUN or ACC/ACCESSORY. Once the key isturned from ON/RUN to LOCK/OFF,the windows continue to work up to10 minutes or until any door isopened. The radio continues towork for up to 10 minutes or until thedriver door is opened.
Accessory Power Outlets (APOs)
The vehicle may have AccessoryPower Outlets (APOs) in severallocations. SeePower Outlets0107.
The APOs in the console or centerseat position are powered byRetained Accessory Power (RAP).They will continue to work for up to10 minutes after the key is turnedfrom ON/RUN to LOCK/OFF, or untilthe driver door is opened.
The APOs on the center stack comefrom the factory powered directlyfrom the vehicle battery, and supplyaccessory power at all times,regardless of ignition key position.
If electronic items are left pluggedinto these APOs for long periods oftime with the vehicle off, the vehiclebattery could be drained. Thevehicle may not start if the battery isallowed to drain for an extendedperiod of time.