brake GMC SIERRA DENALI 2003 Repair Manual

Starter Switch Check Automatic Transmission Shift Lock
Contr-l System Check
When you are doing this check, the vehicle
could move suddenly.
If it does, you or others
could be injured. Follow the steps below.
1
1.
2.
3.
Before you start, be sure you have enough room
around the vehicle.
Firmly apply both the parking brake and the regular
brake. See
Parking Brake on page 2-22 if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately
if it starts.
Try
to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL
(N).
If the starter works in any other position, your
vehicle needs service.
I
_/hen you are doing _.. check, tl vel le
could move suddenly.
If it does, you or others
could be injured.
Follow the steps below.
I
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. See Parking Brake
on page 2-22 if necessary.
Be ready
to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the key to the RUN
position, but don’t 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), your vehicle needs service.
6-1 2

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
* The key should turn to LOCK only when the
The key should come out only in LOCK.
shift lever
is in PARK (P).
Parking Brake and Automatic
Transmission Park (P) Mechanism
A. le1 , ..
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.
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
To check the PARK (P) mechanism’s holding
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-1 3

Transfer Case and Front Axle
(All-Wheel Drive) Inspection
Every 12 months, or at engine oil change intervals,
check front axle and transfer case and add lubricant
when necessary.
A fluid loss could indicate a problem.
Check and have it repaired,
if needed. Check vent
hose at transfer case for kinks and proper installation.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
chafing, etc; Inspect
disc brake pads for wear and rotors
for surface condition. Inspect other brake parts,
including calipers, parking brake, etc. You may need to
have your brakes inspected more often if your driving
habits or conditions result in frequent braking.
6-1 5

Part D: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number or specification may be obtained from your
dealer.
Engine Oil
Engine Coolant
Hydraulic Brake
System
Windshield
Washer Solvent
Power Steering
System
~~
Automatic
Transmission Fluid/Lubricant
Engine oil with the American
Petroleum Institute Certified for
Gasoline Engines starburst symbol
of the proper viscosity. To determine
the preferred viscosity for your
vehicle's engine, see
Engine Oil on
Daae
5- 13.
50/50 mixture of clean, drinkable
water and use only DEX-COOL
Coolant. See
Engine Coolant on
page
5-24.
Delco Supreme 11 Brake Fluid or
equivalent DOT-3 brake fluid.
GM Optikleen Washer Solvent or
equivalent.
GM Power Steering Fluid (GM Part
No.
U.S. 1052884, in Canada
993294, or equivalent).
DEXRON-Ill Automatic Transmission
Fluid. Usage
FluWLubricant
Multi-Purpose Lubricant, Superlube
Key Lock
Canada 10953474. or eauivalent). Cylinders (GM Part No. U.S. 12346241, in
Floor Shift
Linkage
Chassis
Lubrication Lubriplate
Lubricant Aerosol (GM
Part No.
US. 12346293, in Canada
' 992723, or equivalent) or lubricant
meeting requirements of NLGl #2
Category LB or GC-LB.
Chassis Lubricant (GM Part
No.
U.S. 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGl #2,
Cateaow LB or GC-LB.
SAE 75W-90 Synthetic Axle
Lubricant (GM Part No.
U.S.
Front Axle 12378261, in Canada 10953455) or
equivalent meeting GM Specification
99861 15.
Synthetic Axle Lubricant; use only
Rear Axle
88901362).
Do not add friction
(Steerable) GM Part
No. 12378557
(in Canada
modifier.
Transfer Case
I Fluid.
DEXRON-Ill Automatic Transmission
Chassis Lubricant (GM Part No.
U.S. 12377985,
in Canada Rear Driveline
meeting requirements of NLGI #2, Center Spline 88901242, or equivalent) or lubricant
CateqorV LB or GC-LB.
6-1 6

Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle, suspension,
brakes, electrical, steering, body, etc.
RETAIL SELL PRICE:
$120.00
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit repair service
procedures, adjustments, and specifications for GM
transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE:
$50.00
Service Bulletins
Service Bulletins give technical service information
needed to knowledgeably service General Motors cars
and trucks. Each bulletin contains instructions to
assist in the diagnosis and service of your vehicle.
In Canada, information pertaining to Product Service
Bulletins can be obtained by contacting your General
Motors dealer or by calling 1-800-GM-DRIVE
(1 -800-463-7483).
Owner’s Information
Owner publications are written specifically for owners
and intended to provide basic operational information
about the vehicle. The owner’s manual will include
the Maintenance Schedule for all models.
In-Portfolio: Includes
a Portfolio, Owner’s Manual, and
Warranty Booklet.
RETAIL SELL PRICE: $35.00
Without Portfolio: Owner’s Manual only.
RETAIL SELL PRICE:
$25.00
7-1 0

Accessory Power Outlets ................................. 3-16
Adding Washer Fluid
....................................... 5-38
Additional Program Information
........................... 7-8
Additives, Fuel ................................................. 5-6
Add-on Electrical Equipment
............................ 5-95
Add-on Equipment .......................................... 4-48
Off Light ..................................................... 3-28
Passenger Status Indicator
........................... 3-30
Readiness Light
.......................................... 3-27
Air Bag Systems
............................................. 1-57
Bag-Equipped Vehicle
............................... 1-72
Passenger Sensing System
........................... 1-68
Adjusting the Speakers
(Balance/Fade)
.............. 3-66
Air Bag
Adding Equipment to Your Air
Air Bag
Off Switch ....................................... 1-64
How Does an Air Bag Restrain?
.................... 1-62
Servicing Your Air Bag-Equipped Vehicle
......... 1-72
What Makes an
Air Bag inflate? .................... 1-61
What Will You See After an
Air Bag Inflates?
...................................... 1-62
When Should an Air Bag Inflate?
................... 1-61
Where Are the Air Bags?
.............................. 1-59
Air Cleaner/FiIter, Engine
................................. 5-1 9
All Overseas Locations ...................................... 7-4
All-Wheel Drive
............................................... 5-49
All-Wheel Drive (AWD) System
......................... 2-21
Aluminum or Chrome-Plated Wheels
.................. 5-90
AM ............................................................ 3-82
Antenna, Fixed Mast
....................................... 3-84
Anti-lock Brake System
..................................... 4-7
Appearance Care
............................................ 5-86
Care of Safety Belts
.................................... 5-88
Antenna,
XMTM Satellite
Radio System ............... 3-84
Anti-Lock Brake, System Warning
Light .............. 3-35
Chemical Paint Spotting
............................... 5-91
Cleaning the Inside of Your Vehicle
................ 5-86
Cleaning the Outside of Your Vehicle
.............. 5-88
Finish Damage
............................................ 5-91
GM Vehicle Care/Appearance Materials .......... 5-92
Sheet Metal Damage
................................... 5-91
Underbody Maintenance
............................... 5-91
Weatherstrips
.............................................. 5-88
Ashtrays
........................................................ 3-17
Audio System(s)
............................................. 3-61
Audio Systems
Audio Steering Wheel Controls
...................... 3-81
Care of Your Cassette Tape Player
................ 3-83
Care of Your CD Player
............................... 3-84
Care of Your CDs
........................................ 3-84
CD Changer
............................................... 3-78
DAB Radio Antenna System
.......................... 3-84
Fixed Mast Antenna
..................................... 3-84
Radio with Cassette and CD
......................... 3-62
Rear Seat Audio (RSA)
................................ 3-76
Setting the Time
.......................................... 3-61
Theft-Deterrent Feature
................................ 3-81
Understanding Radio Reception
..................... 3-82
1

Audio Systems (cont.)
XMTM Satellite Radio Antenna System ............ 3-84
Automatic Headlamp System
............................ 3-1 2
Operation ................................................... 2-1 8
System Check
......................................... 6-12
Automatic
Transmission
Fluid
.......................................................... 5-21
Automatic Transmission Check
.......................... 6-1 1
Automatic Transmission Shift Lock Control
B
Backing Up .................................................... 4-57
Battery
.......................................................... 5-42
Battery Replacement
......................................... 2-5
Battery Run-Down Protection ............................ 3-1 6
BATTERY NOT CHARGING
............................. 3-54
Battery Warning Light
...................................... 3-33
Before Leaving on a Long Trip
......................... 4-35
Body Lubrication Service
.................................. 6-1 1
Brake Parking
...................................................... 2-22
System Inspection
....................................... 6-1 5
System Warning Light .................................. 3-34
Brake Adjustment
............................................ 5-42
Brake Fluid
.................................................... 5-39
Brake Pedal Travel
......................................... 5-42
Brake Wear
.................................... ....... 5-41
Brakes
.......................................................... 5-39
Braking ........................................................... 4-6 Braking
in Emergencies
..................................... 4-8
Break-In, New Vehicle
..................................... 2-15
Bulb Replacement
........................................... 5-52
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp
............................................ 5-56
Front Turn Signal, Sidemarker and Daytime
Running Lamps
........................................ 5-53
Halogen Bulbs
............................................ 5-52
Headlamps
................................................. 5-52
Pickup Box Identification and Fender
Marker Lamps
......................................... 5-58
Replacement Bulbs
...................................... 5-59
Roof Marker Lamps
..................................... 5-54
Buying New Tires
........................................... 5-64
Taillamps
.................................................... 5-58
C
California Fuel .................................................. 5-6
Canada
........................................................... 7-4
Canadian Owners
................................................ ii
Canadian Roadside Assistance ........................... 7-7
Capacities and Specifications
.......................... 5-1 04
Car Washes for QUADRASTEERTM Equipped Vehicles
..................................................... 4-13
Carbon Monoxide
..................... 4-38, 4-51, 2-8, 2-26
Care of
Safety Belts
................................ ..... 5-88
Care
of Your
Cassette Tape Player
................................... 3-83
2

Care of Your (cont.)
CD Player
................................ ... 3-84
CDS
.......................................................... 3-84
Cargo Lamp
............................. ... 3-14
CARGO LAMP
ON ....................... ... 3-56
Cassette Tape Messages
................................. 3-73
Cassette Tape Player Service
........................... 6-10
CD Adapter Kits
............................................. 3-74
CD Changer
................................................... 3-78
CD Functions
................................................. 3-80
Center Console Storage Area
........................... 2-39
Center High-Mounted Stoplamp (CHMSL) and
Center Instrument Panel Fuse Block
.................. 5-98
Center Passenger Position, Safety Belts
............. 1-22
Chains, Tires .................................................. 5-68
Check Cargo Lamp
............................................... 5-56
CHANGE ENGINE OIL .................................... 3-54
Engine Light
.................................... ... 3-38
Check Engine Light
.......................... ... 3-38
CHECK OIL LEVEL
..................................... 3-58
CHECK WASHER FLUID
................................. 3-58
Checking Brake Fluid
...................................... 5-40
Checking Coolant ............................................ 5-26
Checking Engine Oil
........................................ 5-14
Checking Things Under the Hood
...................... 5-10
Checking Your Restraint Systems ...................... 1-73
Chemical Paint Spotting
................................... 5-91 Child Restraints
Child Restraint Systems
............................... 1-36
Infants and Young Children
........................... 1-32
Lower Anchorages and Top Tethers for
Children
(LATCH System) .......................... 1-43
Older Children ............................................. 1-30
Securing a Child Restraint Designed for the
Securing a Child Restraint in a Center
Securing a Child Restraint in a Rear
Securing a Child Restraint in the Right
LATCH System
........................................ 1-46
Rear Seat Position
................................... 1-48
Outside Seat Position
............................ 1-46
Front Seat Position
................................... 1-50
Top Strap ................................................... 1-40
Top Strap Anchor Location
............................ 1-41
Cigarette Lighter
............................................. 3-17
Where
to Put the Restraint
........................... 1-38
Cleaning Inside of Your Vehicle
.................................. 5-86
Outside
of Your Vehicle ................................ 5-88
Underbody Maintenance
............................... 5-91
Weatherstrips
.............................................. 5-88
Cleaning Exterior Lamps/Lenses
....................... 5-89
Cleaning the Mirror
......................................... 2-30
Climate Control Dual Automatic
..... . 3-18

Headlamps (cont.) Halogen Bulbs
............................................ 5-52
Pickup Box Identification and Fender
Marker Lamps
......................................... 5-58
Roof Marker Lamps
..................................... 5-54
Heated Seats
................................................... 1-3
Highway Hypnosis
........................................... 4-36
Hill and Mountain Roads
.................................. 4-36
Hitches
.......................................................... 4-55
HomeLink@ Transmitter
.................................... 2-35
Hood Checking Things Under
................................ 5-10
Release
..................................................... 5-1 0
Horn ............................................................... 3-4
How to Add Coolant
to the Coolant
Surge Tank
................................................. 5-32
How
to Add Fluid ............................................ 5-23
How
to Check ........................................ 5-21, 5-62
How to Check Lubricant
................................... 5-50
How to Use This Manual
.............. ......... ii
How to Wear Safety Belts Properly ................... 1-1 3
HomeLink@ Transmitter, Programming
................ 2-35
How to Check Power Steering Fluid
.................. 5-37
Hydroplaning
.................................................. 4-32
I
if No Steam Is Coming From
Your Engine
................................................ 5-29
If Steam
Is Coming From Your Engine ............... 5-28
If the Light is Flashing ..................................... 3-39
If the Light is On Steady
................................. 3-39
If You Are Stuck in Sand, Mud, Ice or Snow
....... 4-42
If You Do Decide To Pull A Trailer ..................... 4-51
If You’re Caught in a Blizzard ........................... 4-40
Ignition Transmission Lock Check
...................... 6-13
Illuminated Visor Vanity Mirrors
......................... 2-12
infants and Young Children, Restraints
............... 1-32
Inflation
- Tire Pressure ................................... 5-62
inspection Ignition Positions
............................................. 2-15
Brake System
............................................. 6-15
Exhaust System
.......................................... 6-14
Fuel System
............................................... 6-14
Engine Cooling System
................................ 6-14
Part
C - Periodic Maintenance ....................... 6-14
Steering and Suspension
.............................. 6-14
Cluster
....................................................... 3-25
Overview
..................................................... 3-2
Instrument Panel
7

Instrument Panel Brightness Control .................. 3-1 5
Instrument Panel Fuse Block ............................ 5-96
Interior Lamps
................................................ 3-1 5
Interior Plastic Components .............................. 5-87
Introduction Transfer Case (All-Wheel Drive) Inspection
...... 6-1 5
J
Jump Starting ................................................. 5-43
Key Lock Cylinders Service
.............................. 6-1 1
Keyless Entry System ....................................... 2-3
Keys
............................................................... 2-2
Lamps Exterior
...................................................... 3-1 1
Interior
....................................................... 3-1 5
Lamps On Reminder ....................................... 3-12
Lap Belt
............................................. ... 1-23
Lap-Shoulder Belt
......................... , ... 1-13
LATCH System Child Restraints
......... ...................... 1-43 LATCH System (cont.)
Securing a Child Restraint Designed for the
LATCH System
........................................ 1-46
Leather
......................................................... 5-87
Leaving Your Vehicle With the
Engine Running
.............. ......... 2-24
Light Air Bag
Off ................................. ......... 3-28
Anti-Lock Brake System Warning
................... 3-35
Battery Warning
.......................................... 3-33
Brake System Warning
................................. 3-34
Cruise Control
............................................. 3-41
Low Fuel Warning
................................... 3-42
Malfunction Indicator
................................ 3-38
Passenger Air Bag Status Indicator
............ 3-30
Safety Belt Reminder
............................... 3-26
Tow/Haul Mode
........................................... 3-41
Loading Your Vehicle
....................................... 4-45
Locks Air Bag Readiness
....................... , ........ 3-27
Locking Rear Axle
............................................ 4-8
Door ...................... .................. 2-6
Power Door
.............................................. 2-7
Loss of Control ..............., ............................ 4-15
LOW COOLANT LEVEL
............................... 3-54
Low Fuel Warning Light
................................ 3-42
Lumbar Power Controls
............................................. 1-3
.....