2005 CHEVROLET SILVERADO check engine

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 2-51.
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 2-51.
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.
6-12

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.
6-13

Cargo Lamp...................................................3-19
Center Console Storage Area...........................2-75
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp.........................................5-68
Center Passenger Position, Safety Belts.............1-23
Chains, Tire...................................................5-89
Check
Engine Light...............................................3-44
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-120
Child Restraints
Child Restraint Systems...............................1-35
Infants and Young Children...........................1-32
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-45
Older Children.............................................1-30
Securing a Child Restraint Designed for
the LATCH System...................................1-47
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-47
Securing a Child Restraint in the Center
Front Seat Position...................................1-51
Securing a Child Restraint in the Center
Rear Seat Position...................................1-49
Securing a Child Restraint in the Right
Front Seat Position (Crew Cab)..................1-52
Securing a Child Restraint in the
Right Front Seat Position (Regular
and Extended Cab)..........................1-54, 1-59Child Restraints (cont.)
Top Strap...................................................1-40
Top Strap Anchor Location............................1-42
Where to Put the Restraint...........................1-38
Chime Level Adjustment.................................3-127
Cigarette Lighter.............................................3-20
Cleaning
Aluminum or Chrome-Plated Wheels.............5-118
Exterior Lamps/Lenses................................5-117
Fabric/Carpet............................................5-114
Finish Care...............................................5-117
Inside of Your Vehicle.................................5-113
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-115
Leather....................................................5-115
Tires........................................................5-119
Underbody Maintenance.............................5-120
Washing Your Vehicle.................................5-116
Weatherstrips............................................5-116
Windshield and Wiper Blades......................5-118
Climate Control System...................................3-20
Dual ..........................................................3-22
Dual Automatic............................................3-24
Outlet Adjustment........................................3-30
Clutch, Hydraulic.............................................5-34
Coinholder(s)..................................................2-75
Comfort Guides, Rear Safety Belt.....................1-27
Content Theft-Deterrent....................................2-19
Control of a Vehicle.......................................... 4-5
3

Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-22
Dual Tire Operation.........................................5-81
DVD
Rear Seat Entertainment System..................3-112
E
Electrical System
Add-On Equipment.....................................5-123
Center Instrument Panel Fuse Block.............5-126
Fuses and Circuit Breakers.........................5-123
Instrument Panel Fuse Block.......................5-124
Power Windows and Other Power Options....5-123
Underhood Fuse Block...............................5-127
Windshield Wiper Fuses.............................5-123
Engine
Air Cleaner/Filter.........................................5-25
Battery.......................................................5-51
Check and Service Engine Soon Light............3-44
Coolant......................................................5-35
Coolant Heater............................................2-25
Coolant Temperature Gage...........................3-42
Engine Compartment Overview......................5-14
Exhaust.....................................................2-56
Fan Noise..................................................5-45
Oil .............................................................5-20
Oil Life System...........................................5-23Engine (cont.)
Overheated Protection Operating Mode...........5-40
Overheating................................................5-38
Starting......................................................2-23
Entry Lighting.................................................3-18
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-29
F
Filter
Engine Air Cleaner......................................5-25
Finish Damage.............................................5-120
Fixed Mast Antenna.......................................3-127
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-90
Flat Tire, Changing.........................................5-91
Flat Tire, Storing...........................................5-108
Fluid
Automatic Transmission........................5-27, 5-30
Manual Transmission....................................5-33
Power Steering...........................................5-46
Windshield Washer......................................5-47
Fog Lamps ....................................................3-16
Four-Wheel Drive....................................2-37, 5-59
Four-Wheel-Drive Light....................................3-48
Front Axle......................................................5-60
5

Mirrors
Automatic Dimming Rearview with Compass
and Temperature Display...........................2-60
Automatic Dimming Rearview with OnStar
®,
Compass and Temperature Display.............2-58
Manual Rearview Mirror................................2-58
Outside Automatic Dimming Mirror.................2-67
Outside Camper-Type Mirrors........................2-64
Outside Convex Mirror.................................2-68
Outside Curb View Assist Mirrors...................2-67
Outside Heated Mirrors................................2-68
Outside Manual Mirrors................................2-63
Outside Power Camper-Type.........................2-66
Outside Power Foldaway Mirrors....................2-66
Outside Power Mirrors..................................2-65
Outside West Coast-Type Mirrors...................2-65
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-21
Noise Control System, Tampering......................5-61
Normal Maintenance Replacement Parts............6-17
O
Odometer......................................................3-33
Odometer, Trip...............................................3-33
Off-Road Driving.............................................4-20
Off-Road Recovery..........................................4-17Oil
Engine.......................................................5-20
Pressure Gage............................................3-46
Oil, Engine Oil Life System..............................5-23
Older Children, Restraints................................1-30
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-68
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-30
Outside
Automatic Dimming Mirror.............................2-67
Camper-Type Mirrors....................................2-64
Convex Mirror.............................................2-68
Curb View Assist Mirrors..............................2-67
Heated Mirrors............................................2-68
Manual Mirrors............................................2-63
Power Foldaway Mirrors...............................2-66
Power Mirrors.............................................2-65
West Coast-Type Mirrors..............................2-65
Outside Power Camper-Type Mirror...................2-66
Overdrive Disable...........................................3-48
Overheated Engine Protection Operating Mode.....5-40
Owner Checks and Services.............................6-11
Owners, Canadian............................................... ii
PPark (P)
Shifting Into................................................2-52
Shifting Out of............................................2-54
9

Recreational Vehicle Towing.............................4-63
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
Removing the Flat Tire and Installing the
Spare Tire..................................................5-96
Removing the Spare Tire and Tools...................5-92
Replacement Bulbs.........................................5-71
Reporting Safety Defects
Canadian Government..................................7-11
General Motors...........................................7-11
United States Government............................7-10
Restraint System Check
Checking the Restraint Systems....................1-79
Replacing Restraint System Parts
After a Crash..........................................1-80
Retained Accessory Power (RAP)......................2-23
Right Front Passenger Position, Safety Belts......1-23
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-48
Running the Engine While Parked.....................2-56
S
Safety Belt
Reminder Light............................................3-33
Safety Belts
Care of ....................................................5-116
Center Passenger Position............................1-23Safety Belts (cont.)
Driver Position............................................1-15
How to Wear Safety Belts Properly................1-15
Questions and Answers About
Safety Belts.............................................1-14
Rear Safety Belt Comfort Guides...................1-27
Rear Seat Passengers.................................1-24
Right Front Passenger Position......................1-23
Safety Belt Extender....................................1-29
Safety Belt Use During Pregnancy.................1-22
Safety Belts Are for Everyone.......................1-10
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seatback Latches............................................. 1-8
Seats
Head Restraints............................................ 1-7
Heated Seats............................................... 1-5
Manual........................................................ 1-3
Memory .....................................................2-79
Power Lumbar .............................................. 1-4
Power Seats................................................. 1-4
Rear Seat Operation...............................1-8, 1-9
Reclining Seatbacks...................................... 1-6
Seatback Latches.......................................... 1-8
Secondary Latch System................................5-105
Securing a Child Restraint
Center Front Seat Position............................1-51
Center Rear Seat Position............................1-49
Designed for the LATCH System...................1-47
11