transmission GMC SONOMA 2004 Workshop Manual

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 2-25if 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 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), your vehicle needs
service.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
shift lever is in PARK (P).
•The key should come out only in LOCK.
6-28

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.
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.
6-29

Part D: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number or specification may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certified for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on
page 5-13.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-23.
Hydraulic Brake
SystemDelco Supreme 11
®Brake Fluid or
equivalent DOT-3 brake fluid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 89021184, in Canada
89021186).
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
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 Wheel
BearingsWheel bearing lubricant meeting
requirements of NLGI #2, Category
GC or GC-LB (GM Part No. U.S.
1051344, in Canada 993037).
Front and Rear
Axle (Standard
Differential)SAE 80W-90 Axle Lubricant (GM
Part No. U.S. 1052271, in Canada
10950849).
6-32

Usage Fluid/Lubricant
Rear Axle
(Locking
Differential)Axle Lubricant; use only GM Part
No. U.S. 1052271, in Canada
10950849.Do not add friction
modier.
Transfer CaseDEXRON
®-III Automatic
Transmission Fluid.
Transfer Case
Shift LeverChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242) or lubricant meeting
requirements of NLGI #2, Category
LB or GC-LB.
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.
Usage Fluid/Lubricant
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.
Hood and Door
Hinges, Fuel
Filler Door and
Folding SeatsMulti-Purpose Lubricant, Superlube
®
(GM Part No. U.S. 12346241, in
Canada 10953474).
Tailgate Handle
Pivot Points,
Hinges, Latch
Bolt and
LinkageMulti-Purpose Lubricant, Superlube
®
(GM Part No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningDielectric Silicone Grease (GM Part
No. U.S. 12345579, in Canada
992887).
Weatherstrip
SqueaksSynthetic Grease with Teflon,
Superlube
®(GM Part No. U.S.
12371287, in Canada 10953437).
6-33

Normal Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer
Part Number
Air Cleaner Filter*A1163C
**25098463
Automatic Transmission Filter Kit **24200796
Fuel Filter*GF481
**15050894
Oil Filter*PF47
**25010792
PCV Valve
4300 Engine*CV769C
**6487532
Spark Plugs*41–932
**25162556
Windshield Wiper Blades
Length
Type20 inches (51 cm)
Trico
*ACDelco
®Part No.
**GM Part No.
6-34

To contact NHTSA, you may either call the Auto Safety
Hotline toll-free at 1-800-424-9393 (or 366-0123 in
the Washington, D.C. area) or write to:
NHTSA, U.S. Department of Transportation
Washington, D.C. 20590
You can also obtain other information about motor
vehicle safety from the hotline.
Reporting Safety Defects to the
Canadian Government
If you live in Canada, and you believe that your vehicle
has a safety defect, you should immediately notify
Transport Canada, in addition to notifying General
Motors of Canada Limited. You may write to:
Transport Canada
330 Sparks Street
Tower C
Ottawa, Ontario K1A 0N5
Reporting Safety Defects to General
Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, we certainly hope you’ll notify us.
Please call us at 1-800-GMC-8782 (1-800-462-8782), or
write:
Pontiac-GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
In Canada, please call us at 1-800-263-3777 (English)
or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
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
7-11

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
Current and Past Model Order Forms
Service Publications are available for current and
past model GM vehicles. To request an order form,
please specify year and model name of the vehicle.
ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM - 6:00 PM
Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit Helm, Inc. on the
World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P. O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without
incurring obligation. Allow ample time for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are to make
checks payable in U.S. funds.
7-12

Audio System(s) (cont.)
Fixed Mast Antenna.....................................3-76
Radio with Cassette and CD.........................3-49
Radio with CD............................................3-39
Radio with Six-Disc CD................................3-59
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-36
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-35
Theft-Deterrent Feature................................3-73
Understanding Radio Reception.....................3-74
XM™ Satellite Radio Antenna System............3-76
Automatic Headlamp System............................3-12
Automatic Transmission
Fluid..........................................................5-19
Operation...................................................2-20
Automatic Transmission Check..........................6-26
Automatic Transmission Shift Lock Control
System Check.............................................6-28
B
Backing Up....................................................4-61
Battery..........................................................5-40
Battery Replacement......................................... 2-6Battery Rundown Protection.............................3-16
Bed Rails......................................................2-41
Before Leaving on a Long Trip.........................4-34
Before You Go Off-Roading..............................4-14
Body Lubrication Service..................................6-27
Brake
Parking......................................................2-25
System Inspection.......................................6-31
System Warning Light..................................3-27
Brake Adjustment............................................5-40
Brake Fluid....................................................5-37
Brake Pedal Travel.........................................5-39
Brake Wear...................................................5-39
Brakes..........................................................5-37
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-16
Bulb Replacement...........................................5-48
Center High-Mounted Stoplamp (CHMSL)........5-52
Halogen Bulbs............................................5-48
Headlamps.................................................5-49
One-Piece Front Turn Signal Lamps...............5-51
Replacement Bulbs......................................5-54
Taillamps....................................................5-53
Two-Piece Front Turn Signal Lamps...............5-51
Buying New Tires...........................................5-70
2

C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Specifications..........................5-101
Carbon Monoxide...................4-38, 4-55, 2-11, 2-29
Care of
Safety Belts................................................5-89
Your Cassette Tape Player............................3-74
Your CD Player...........................................3-76
Your CDs ...................................................3-75
Cassette Tape Messages.................................3-56
Cassette Tape Player Service...........................6-25
CD Adapter Kits.............................................3-56
CD Messages................................3-48, 3-58, 3-73
Center High-Mounted Stoplamp (CHMSL)...........5-52
Center Passenger Position, Safety Belts.............1-21
Certification/Tire Label.....................................4-49
Chains, Tires..................................................5-74
Charging System Light....................................3-26
Check
Engine Light...............................................3-29
Gages Warning Light...................................3-34
Checking Brake Fluid......................................5-38
Checking Coolant............................................5-25
Checking Engine Oil........................................5-13
Checking the Automatic Transmission
Fluid Level.................................................5-21Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-53
Chemical Paint Spotting...................................5-92
Child Restraints
Child Restraint Systems...............................1-33
Infants and Young Children...........................1-29
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-39
Older Children.............................................1-27
Securing a Child Restraint Designed for
the LATCH System...................................1-41
Securing a Child Restraint in a Center
Seat Position...........................................1-43
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-41
Securing a Child Restraint in the Right
Front Seat Position...................................1-44
Top Strap...................................................1-37
Top Strap Anchor Location............................1-38
Where to Put the Restraint...........................1-36
Cigarette Lighter.............................................3-17
Cleaning
Inside of Your Vehicle..................................5-86
Outside of Your Vehicle................................5-89
Underbody Maintenance...............................5-92
Weatherstrips..............................................5-89
Cleaning Aluminum Wheels..............................5-91
Cleaning Exterior Lamps/Lenses.......................5-90
Cleaning Fabric/Carpet....................................5-86
Cleaning Glass Surfaces..................................5-88
3

F
Filter
Engine Air Cleaner......................................5-18
Finding a Program Type (PTY) Station...............3-52
Finding a Program Type (PTY) Station
(RDS and XM™).................................3-42, 3-63
Finding a Station....................3-37, 3-40, 3-50, 3-61
Finish Care....................................................5-90
Finish Damage...............................................5-92
Fixed Mast Antenna........................................3-76
Flash-to-Pass Feature....................................... 3-7
Flat Tire........................................................5-74
Flat Tire, Changing.........................................5-75
Fluid
Automatic Transmission................................5-19
Power Steering...........................................5-35
Windshield Washer......................................5-36
FM Stereo.....................................................3-74
Fog Lamps....................................................3-14
Following Distance..........................................4-61
Footnotes................................................6-7, 6-17
Four-Wheel Drive....................................2-22, 5-46
Front Axle......................................................5-47
Front Map Lamps...........................................3-15
Front Storage Area.........................................2-40Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-34
Gasoline Octane........................................... 5-4
Gasoline Specifications.................................. 5-5
Low Warning Light.......................................3-35
System Inspection.......................................6-30
Fuses
Fuses and Circuit Breakers...........................5-95
Windshield Wiper.........................................5-95
G
Gage
Check Gages Warning Light..........................3-34
Engine Coolant Temperature.........................3-28
Fuel..........................................................3-34
Oil Pressure...............................................3-32
Speedometer..............................................3-24
Tachometer.................................................3-24
Voltmeter Gage...........................................3-26
Garment Hooks..............................................2-40
6