2007 CHEVROLET COLORADO Owners Manual

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle.
2. Firmly apply both the parking brake and the
regular brake. SeeParking Brake on page 133.
Do not use the accelerator pedal, and be ready
to turn off the engine immediately if it starts.3. On automatic transmission vehicles, try to start
the engine in each gear. The vehicle should
start only in PARK (P) or NEUTRAL (N). If the
vehicle starts in any other position, contact
your dealer/retailer for service.
On manual transmission vehicles, put the shift
lever in NEUTRAL, push the clutch pedal down
halfway, and try to start the engine. The vehicle
should start only when the clutch pedal is
pushed down all the way to the oor. If the
vehicle starts when the clutch pedal is not
pushed all the way down, contact your dealer/
retailer for service.
449

Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked
on a level surface.
2. Firmly apply the parking brake. SeeParking
Brake on page 133.
Be ready to apply the regular brake
immediately if the vehicle begins to move.3. With the engine off, turn the ignition to ON, but
do not start the engine. Without applying the
regular brake, try to move the shift lever out of
PARK (P) with normal effort. If the shift lever
moves out of PARK (P), contact your dealer/
retailer for service.Ignition Transmission Lock Check
While parked, and with the parking brake set,
try to turn the ignition to LOCK in each shift lever
position.
With an automatic transmission, the ignition
should turn to LOCK only when the shift
lever is in PARK (P). The ignition key should
come out only in LOCK.
With a manual transmission, the ignition key
should come out only in LOCK.
Contact your dealer/retailer if service is required.
450

Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your
vehicle could begin to move. You or
others could be injured and property
could be damaged. Make sure there is
room in front of your vehicle in case it
begins to roll. Be ready to apply the
regular brake at once should the vehicle
begin to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular
brake, set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure
from the regular brake pedal. Do this until the
vehicle is held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your dealer/retailer if service is required.
Underbody Flushing Service
At least every spring, use plain water to ush
any corrosive materials from the underbody.
Take care to clean thoroughly any areas where
mud and other debris can collect.
451

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

Usage Fluid/Lubricant
Transfer CaseSynchromesh Transmission Fluid
(GM Part No. U.S. 12345349,
in Canada 10953465).
Rear Driveline
Center Spline
and Universal
JointsChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Constant
Velocity
Universal JointChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood Latch
Assembly,
Secondary
Latch,
Pivots, Spring
Anchor, and
Release PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.Usage Fluid/Lubricant
Hood and
Door Hinges,
Body Door
Hinge Pins,
Liftgate Hinge
and Linkage,
Folding Seats,
and Fuel
Door HingeMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Outer Tailgate
Handle Pivot
Points and
HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip
ConditioningWeatherstrip Lubricant
(GM Part No. U.S. 3634770,
in Canada 10953518) or
Dielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
Weatherstrip
SqueaksSynthetic Grease
with Teon, Superlube
(GM Part No. U.S. 12371287,
in Canada 10953437).
453

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from
your GM dealer.
Part GM Part Number ACDelco®Part Number
Engine Air Cleaner/Filter 15202408 A1624C
Engine Oil Filter
2.9L Engine 88984215 PF46
3.7L Engine 89017342 PF61
Spark Plugs 12598004 41-103
Windshield Wiper Blades
Driver’s Side — 22 inches (55 cm) 88958226 —
Passenger’s Side — 19 inches (48 cm) 88958228 —
454

Engine Drive Belt Routing
2.9L and 3.7L Engines
455

Maintenance Record
After the scheduled services are performed, record the date, odometer reading, who performed the
service, and the type of services performed in the boxes provided. SeeMaintenance Requirements on
page 440. Any additional information fromOwner Checks and Services on page 447can be added on the
following record pages. You should retain all maintenance receipts.
Maintenance Record
DateOdometer
ReadingServiced ByMaintenanceIor
MaintenanceIIServices Performed
456