check engine GMC SIERRA 1500 2006 Repair Manual

(f)Lubricate all key lock cylinders, body door hinges,
hood latch assembly, secondary latch, pivots, spring
anchor, release pawl, tailgate hinges, tailgate linkage,
tailgate handle pivot points, latch bolt, fuel door hinge,
locks, and folding seat hardware. More frequent
lubrication may be required when exposed to a corrosive
environment. Applying silicone grease on weatherstrips
with a clean cloth will make them last longer, seal better
and not stick or squeak.
(g)Check vent hose at transfer case for kinks and
proper installation.
(h)Change automatic transmission uid and lter if the
vehicle Gross Vehicle Weight Rating (GVWR) is over
8600 lbs or 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.
(i)Drain, ush, and rell cooling system. This service can
be complex; you should have your dealer perform this
service. See Engine Coolant on page 5-35 for what to
use. Inspect hoses. Clean radiator, condenser, pressure
cap, and ller neck. Pressure test the cooling system and
pressure cap.(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(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 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.
6-10

(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 6-14.
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,
seeCapacities and Specications on page 5-133.
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.
6-11

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 5-72for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-91.
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 5-81.
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 2-52.
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.
6-12

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 2-52.
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.
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.
6-13

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.
Recommended Fluids and
Lubricants (Gasoline Engine)
This maintenance section applies to vehicles with a
gasoline engine. If your vehicle has a diesel engine, see
the maintenance schedule section in the DURAMAX
®
Diesel Engine Supplement.
Fluids and lubricants identied below by name, part
number, or specication may be obtained from
your dealer.
6-14

Cargo Lamp Light...........................................3-50
Center Console Storage Area...........................2-79
Center Front Passenger Position, Safety Belts....1-25
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp...............................................5-67
Chains, Tire...................................................5-89
Check
Engine Light...............................................3-46
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-120
Child Restraints
Child Restraint Systems...............................1-37
Infants and Young Children...........................1-33
Lower Anchors and Tethers for Children..........1-42
Older Children.............................................1-31
Securing a Child Restraint in a
Rear Seat Position...................................1-54
Securing a Child Restraint in the
Center Front Seat Position........................1-56
Securing a Child Restraint in the Right
Front Seat Position (Crew Cab)..................1-57
Securing a Child Restraint in the Right
Front Seat Position
(Regular and Extended Cab).............1-59, 1-65
Where to Put the Restraint...........................1-40
Chime Level Adjustment.................................3-133
Cigarette Lighter.............................................3-20Cleaning
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...................................3-21
Dual..........................................................3-22
Dual Automatic............................................3-25
Outlet Adjustment........................................3-30
Clutch, Hydraulic.............................................5-34
Coinholder(s)..................................................2-79
Collision Damage Repair..................................7-10
Comfort Guides, Rear Safety Belt.....................1-29
Content Theft-Deterrent....................................2-19
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-43
Heater, Engine............................................2-25
Surge Tank Pressure Cap.............................5-37
3

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............3-46
Coolant......................................................5-35
Coolant Heater............................................2-25
Coolant Temperature Gage...........................3-43
Drive Belt Routing.......................................6-19
Engine Compartment Overview......................5-14
Exhaust.....................................................2-57
Fan Noise..................................................5-45
Oil .............................................................5-20
Oil Life System...........................................5-23
Overheated Protection Operating Mode...........5-39
Overheating................................................5-37
Starting......................................................2-23Entry Lighting.................................................3-19
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-19
Extender, Safety Belt.......................................1-30
F
Filter
Engine Air Cleaner......................................5-25
Finish Damage.............................................5-120
Fixed Mast Antenna.......................................3-132
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-90
Flat Tire, Changing.........................................5-91
Flat Tire, Storing...........................................5-108
Fluid
Automatic Transmission........................5-28, 5-30
Manual Transmission....................................5-33
Power Steering...........................................5-45
Windshield Washer......................................5-46
Fog Lamps....................................................3-17
Four-Wheel Drive....................................2-38, 5-59
Four-Wheel-Drive Light....................................3-50
Front Axle......................................................5-60
Front Reading Lamps......................................3-19
Front Storage Area.........................................2-79
5

Mirrors (cont.)
Automatic Dimming Rearview with OnStar®,
Compass and Temperature Display.............2-61
Manual Rearview Mirror................................2-59
Outside Automatic Dimming Mirror.................2-71
Outside Camper-Type Mirrors........................2-68
Outside Convex Mirror.................................2-72
Outside Curb View Assist Mirrors...................2-72
Outside Heated Mirrors................................2-72
Outside Manual Mirrors................................2-68
Outside Power Foldaway Mirrors....................2-71
Outside Power Mirrors..................................2-70
Outside West Coast-Type Mirrors...................2-70
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-21
Noise Control System, Tampering......................5-62
Normal Maintenance Replacement Parts............6-18
O
Odometer......................................................3-33
Odometer, Trip...............................................3-33
Off-Road Driving.............................................4-16
Off-Road Recovery..........................................4-13Oil
Engine.......................................................5-20
Pressure Gage............................................3-48
Oil, Engine Oil Life System..............................5-23
Older Children, Restraints................................1-31
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-73
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-30
Outside
Automatic Dimming Mirror.............................2-71
Camper-Type Mirrors....................................2-68
Convex Mirror.............................................2-72
Curb View Assist Mirrors..............................2-72
Heated Mirrors............................................2-72
Manual Mirrors............................................2-68
Power Foldaway Mirrors...............................2-71
Power Mirrors.............................................2-70
West Coast-Type Mirrors..............................2-70
Overheated Engine Protection Operating Mode . . . 5-39
Owner Checks and Services.............................6-11
Owners, Canadian............................................... ii
9

Rearview Mirror, Automatic Dimming with
OnStar®and Compass.................................2-59
Rearview Mirror, Automatic Dimming with
OnStar
®, Compass and Temperature Display . . . 2-61
Rearview Mirrors.............................................2-59
Reclining Seatbacks.......................................... 1-6
Recommended Fluids and Lubricants.................6-14
Recovery Hooks.............................................4-47
Recreational Vehicle Towing.............................4-62
Remote Keyless Entry System............................ 2-4
Remote Keyless Entry System, Operation............ 2-5
Removing the Flat Tire and Installing the
Spare Tire..................................................5-96
Removing the Spare Tire and Tools...................5-92
Replacement Bulbs.........................................5-70
Reporting Safety Defects
Canadian Government..................................7-14
General Motors...........................................7-14
United States Government............................7-13
Restraint System Check
Checking the Restraint Systems....................1-87
Replacing Restraint System Parts
After a Crash..........................................1-88
Retained Accessory Power (RAP)......................2-23
Right Front Passenger Position, Safety Belts......1-25
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-46
Routing, Engine Drive Belt...............................6-19
Running the Engine While Parked.....................2-58
S
Safety Belt
Reminder Light............................................3-34
Safety Belts
Care of....................................................5-116
Center Front Passenger Position....................1-25
Driver Position............................................1-16
How to Wear Safety Belts Properly................1-16
Questions and Answers About Safety Belts.....1-15
Rear Safety Belt Comfort Guides...................1-29
Rear Seat Passengers.................................1-26
Right Front Passenger Position......................1-25
Safety Belt Extender....................................1-30
Safety Belt Use During Pregnancy.................1-24
Safety Belts Are for Everyone.......................1-11
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.....................................................2-83
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
11