2006 CHEVROLET SILVERADO check engine

(k)Inspect system. Check all fuel and vapor lines and
hoses for proper hook-up, routing, and condition. Check
that the purge valve works properly, if equipped.
Replace as needed.
(l)Change clutch uid (or every 24 months, whichever
occurs rst).
(m)Change automatic transmission uid and external
transmission 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.
(n)Vehicles with diesel engine or with GVWR above
10,000 lbs (4 536 kg) only: Inspect shields for damage or
looseness. Adjust or replace as required. This is a
Noise Emission Control Service. Applicable to vehicles
sold in the United States and recommended for
vehicles sold in Canada.(p)If you drive regularly under dusty conditions, inspect
the lter or change indicator (if equipped) at each
engine oil change.
(q)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 (Gasoline
Engine) on page 6-15.
6-11

At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000 km)
Check dual wheel nut torque. For proper torque, see
Capacities and Specications on page 5-134.
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 (Gasoline Engine) on
page 5-20for further details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your 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 5-35for 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
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-74for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-94.
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 5-83.
6-12

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 2-49.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. 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
GM Goodwrench
®dealer for service.
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 2-49.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to RUN, 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 GM Goodwrench
®dealer
for service.
6-13

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK in each shift lever position.
The ignition should turn to LOCK only when the
shift lever is in PARK (P).
The key should come out only in LOCK.
Contact your GM Goodwrench
®dealer if service is
required.
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 GM Goodwrench
®dealer 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.
6-14

C
Calibration.............................2-56, 2-58, 2-60, 2-62
California Fuel.................................................. 5-7
California Proposition 65 Warning....................... 5-4
Canadian Owners................................................ ii
Capacities and Specications..........................5-134
Carbon Monoxide...................2-14, 2-54, 4-42, 4-67
Care of
Safety Belts..............................................5-119
Your Cassette Tape Player..........................3-128
Your CD and DVD Player...........................3-130
Your CDs and DVDs ..................................3-129
Cargo Lamp...................................................3-18
Cargo Lamp Light...........................................3-49
Center Console Storage Area...........................2-76
Center Front Passenger Position, Safety Belts....1-26
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp.........................................5-67
Chains, Tire...................................................5-92
Check
Engine Light...............................................3-45
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-123
Child Restraints
Child Restraint Systems...............................1-38
Infants and Young Children...........................1-34
Lower Anchors and Tethers for Children..........1-44
Older Children.............................................1-32
Securing a Child Restraint in
a Rear Seat Position................................1-55Child Restraints (cont.)
Securing a Child Restraint in
the Center Front Seat Position...................1-57
Securing a Child Restraint in the
Right Front Seat Position (Crew Cab).........1-58
Securing a Child Restraint in
the Right Front Seat Position
(Regular and Extended Cab).............1-60, 1-66
Where to Put the Restraint...........................1-42
Chime Level Adjustment.................................3-130
Cigarette Lighter.............................................3-19
Cleaning
Aluminum or Chrome-Plated Wheels.............5-121
Exterior Lamps/Lenses................................5-120
Fabric/Carpet............................................5-118
Finish Care...............................................5-120
Inside of Your Vehicle.................................5-116
Instrument Panel, Vinyl, and
Other Plastic Surfaces.............................5-119
Leather....................................................5-118
Tires........................................................5-122
Underbody Maintenance.............................5-122
Washing Your Vehicle.................................5-120
Weatherstrips............................................5-119
Windshield and Wiper Blades......................5-121
Climate Control System...................................3-20
Dual ..........................................................3-21
Dual Automatic............................................3-24
Outlet Adjustment........................................3-29
3

Driving (cont.)
Recovery Hooks..........................................4-47
Rocking Your Vehicle to Get it Out.................4-46
Winter........................................................4-42
Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-21
Dual Tire Operation.........................................5-83
DVD
Rear Seat Entertainment System..................3-114
E
Electrical System
Add-On Equipment.....................................5-125
Center Instrument Panel Fuse Block.............5-128
Fuses and Circuit Breakers.........................5-126
Instrument Panel Fuse Block.......................5-126
Power Windows and Other Power Options....5-126
Underhood Fuse Block...............................5-129
Windshield Wiper Fuses.............................5-125Engine
Air Cleaner/Filter.........................................5-25
Battery.......................................................5-51
Check and Service Engine Soon Light............3-45
Coolant......................................................5-35
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-43
Drive Belt Routing.......................................6-19
Engine Compartment Overview......................5-14
Exhaust.....................................................2-54
Fan Noise..................................................5-45
Oil .............................................................5-20
Oil Life System...........................................5-23
Overheated Protection Operating Mode...........5-40
Overheating................................................5-37
Starting......................................................2-22
Entry Lighting.................................................3-18
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-31
5

O
Odometer......................................................3-32
Odometer, Trip...............................................3-32
Off-Road Driving.............................................4-17
Off-Road Recovery..........................................4-14
Oil
Engine.......................................................5-20
Pressure Gage............................................3-47
Oil, Engine Oil Life System..............................5-23
Older Children, Restraints................................1-32
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-69
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-29
Outlet(s), Accessory Power...............................3-18
Outside
Automatic Dimming Mirror.............................2-68
Camper-Type Mirrors....................................2-65
Convex Mirror.............................................2-68
Curb View Assist Mirrors..............................2-68
Heated Mirrors............................................2-68
Manual Mirrors............................................2-64
Power Foldaway Mirrors...............................2-67
Power Mirrors.............................................2-66
West Coast-Type Mirrors..............................2-66
Overheated Engine Protection Operating Mode . . . 5-40
Owner Checks and Services.............................6-11
Owners, Canadian............................................... ii
P
Park (P)
Shifting Into................................................2-50
Shifting Out of............................................2-52
Parking
Brake........................................................2-49
Over Things That Burn.................................2-53
Parking Your Vehicle.......................................2-53
Passenger Airbag Status Indicator.....................3-36
Passenger Sensing System..............................1-80
Passing.........................................................4-15
Passlock
®......................................................2-19
Pickup Conversion to Chassis Cab....................4-61
Power
Accessory Outlet(s)......................................3-18
Door Locks.................................................. 2-8
Electrical System.......................................5-126
Lumbar Controls........................................... 1-4
Retained Accessory (RAP)............................2-22
Seat............................................................ 1-4
Steering Fluid.............................................5-46
Windows....................................................2-16
Programmable Automatic Door Locks.................2-10
10