tow CHEVROLET IMPALA 2003 8.G Workshop Manual

50,000 Miles (83 000 km)
qChange automatic transaxle ¯uid and ®lter if the
vehicle is mainly driven under one or more of
these conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC) or
higher
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the ¯uid and ®lter at 100,000 miles
(166 000 km).
52,500 Miles (87 500 km)
qRotate tires. SeeTire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
60,000 Miles (100 000 km)
qIf Equipped: Replace passenger compartment air
®lter. If you drive regularly under dusty conditions,
the ®lter may require replacement more often.
qRotate tires. See
Tire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-22for more information.An Emission Control Service.
67,500 Miles (112 500 km)
qRotate tires. SeeTire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
75,000 Miles (125 000 km)
qInspect engine air cleaner ®lter. If necessary, replace
the ®lter. If vehicle is driven in dusty/dirty conditions,
inspect ®lter at every engine oil change. See
Engine Air Cleaner/Filter on page 5-22for more
information.An Emission Control Service. (See
footnote ².)
qIf Equipped: Replace passenger compartment air
®lter. If you drive regularly under dusty conditions,
the ®lter may require replacement more often.
qRotate tires. See
Tire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
82,500 Miles (137 500 km)
qRotate tires. SeeTire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
6-8

90,000 Miles (150 000 km)
qIf Equipped: Replace passenger compartment air
®lter. If you drive regularly under dusty conditions,
the ®lter may require replacement more often.
qReplace engine air cleaner ®lter. See
Engine Air
Cleaner/Filter on page 5-22for more information.An Emission Control Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
97,500 Miles (162 500 km)
qRotate tires. SeeTire Inspection and Rotation on
page 5-65for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
100,000 Miles (166 000 km)
qInspect spark plug wires.An Emission Control
Service.
qReplace spark plugs.An Emission Control Service.
qChange automatic transaxle ¯uid and ®lter if the
vehicle is mainly driven under one or more of
these conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC) or
higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
qIf you haven't used your vehicle under severe
conditions listed previously and, therefore, haven't
changed your automatic transaxle ¯uid, change both
the ¯uid and ®lter.
150,000 Miles (240 000 km)
qDrain, ¯ush and re®ll cooling system (or every
60 months since last service, whichever occurs ®rst).
See
Engine Coolant on page 5-27for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap.
An Emission Control Service.
qInspect engine accessory drive belt.An Emission
Control Service.
6-9

Mexico, Central America and Caribbean
Islands/Countries (Except Puerto
Rico and U.S. Virgin Islands) ±
Customer Assistance
General Motors de Mexico, S. de R.L. de C.V.
Customer Assistance Center
Paseo de la Reforma # 2740
Col. Lomas de Bezares
C.P. 11910, Mexico, D.F.
01-800-508-0000
Long Distance: 011-52-53 29 0 800
GM Mobility Program for Persons
with Disabilities
This program, available to
quali®ed applicants, can
reimburse you up to
$1,000 toward aftermarket
driver or passenger
adaptive equipment you
may require for your
vehicle (hand controls,
wheelchair/scooter
lifts, etc.).This program can also provide you with free resource
information, such as area driver assessment centers and
mobility equipment installers. The program is available
for a limited period of time from the date of vehicle
purchase/lease. See your dealer for more details or call
the GM Mobility Assistance Center at 1-800-323-9935.
Text telephone (TTY) users, call 1-800-833-9935.
GM of Canada also has a Mobility Program. Call
1-800-GM-DRIVE (463-7483) for details. All TTY users
call 1-800-263-3830.
Roadside Assistance Program
To enhance Chevrolet's strong commitment to customer
satisfaction, Chevrolet is excited to announce the
establishment of the Chevrolet Roadside Assistance
Center. As the owner of a 2003 Chevrolet, membership
in Roadside Assistance is free.
Roadside Assistance is available 24 hours a day,
365 days a year, by calling 1-800-CHEV-USA
(243-8872). This toll-free number will provide you
over-the-phone roadside assistance with minor
mechanical problems. If your problem cannot be
resolved over the phone, our advisors have access to a
nationwide network of dealer recommended service
providers. Roadside membership is free; however some
services may incur costs.
7-5

Roadside offers two levels of service to the customer,Basic CareandCourtesy Care:
RoadsideBasic Careprovides:
·Toll-free number, 1-800-CHEV-USA (243-8872),
text telephone (TTY) users, call 1-888-889-2438
·Free towing for warranty repairs
·Basic over-the-phone technical advice
·Available dealer services at reasonable costs (i.e.,
wrecker services, locksmith/key service, glass
repair, etc.)
Roadside
Courtesy Careprovides:
·RoadsideBasic Careservices (as outlined
previously)
Plus:
·FREE Non-Warranty Towing (to the closest dealer
from a legal roadway)
·FREE Locksmith/Key Service (when keys are lost
on the road or locked inside)
·FREE Flat Tire Service (spare installed on the road)
·FREE Jump Start (at home or on the road)
·FREE Fuel Delivery ($5 of fuel delivered on
the road)Chevrolet offers Courtesy Transportation for customers
needing warranty service. Courtesy Transportation
will be offered in conjunction with the coverage provided
by the Bumper-to-Bumper New Vehicle Limited
Warranty to eligible purchasers of 2003 Chevrolet
passenger cars and light duty trucks. (See your selling
dealer for details.)
Courtesy Careis available to retail and retail lease
customers operating 2003 and newer Chevrolet vehicles
for a period of 3 years/36,000 miles (60 000 km),
whichever occurs ®rst. All
Courtesy Careservices must
be pre-arranged by Chevrolet Roadside or dealer
service management.
Basic CareandCourtesy Careare not part of or
included in the coverage provided by the New Vehicle
Limited Warranty. Chevrolet reserves the right to
modify or discontinue
Basic CareandCourtesy Careat any time.
The Roadside Assistance Center uses companies that
will provide you with quality and priority service.
When roadside services are required, our advisors will
explain any payment obligations that may be incurred
for utilizing outside services.
7-6

Reporting Safety Defects
Reporting Safety Defects to the
United States Government
If you believe that your vehicle has a defect which could
cause a crash or could cause injury or death, you
should immediately inform the National Highway Traffic
Safety Administration (NHTSA), in addition to notifying
General Motors.
If NHTSA receives similar complaints, it may open an
investigation, and if it ®nds that a safety defect exists in
a group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved in
individual problems between you, your dealer or
General Motors.
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 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
7-10

Compact Spare Tire........................................5-84
Compass Variance..........................................3-50
Console Shift Lever.........................................2-29
Content Theft-Deferrent....................................2-16
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-43
Coolant.........................................................3-36
Engine Temperature Gage............................3-36
Heater, Engine............................................2-22
Hot Temperature Warning Message................3-42
Cooling System..............................................5-33
Courtesy Lamps.............................................3-17
Cruise Control Light........................................3-39
Cruise Control................................................3-11
Current and Past Model Order Forms................7-12
Customer Assistance Information........................ 7-7
Courtesy Transportation.................................. 7-7
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-5
Reporting Safety Defects to
General Motors........................................7-10
Reporting Safety Defects to the
Canadian Government..............................7-10Customer Assistance Information (cont.)
Reporting Safety Defects to the
United States Government.........................7-10
Roadside Assistance Program......................... 7-5
Service Publications Ordering Information........7-11
D
Daytime Running Lamps/Automatic Headlamp
System......................................................3-15
Defensive Driving............................................. 4-2
Defogging and Defrosting.................................3-24
Delayed Entry Lighting.....................................3-17
Delayed Exit Lighting.......................................3-18
Delayed Headlamps........................................3-16
Dinghy Towing................................................4-31
Disarming with the Remote Keyless Entry
Transmitter.................................................2-17
Disarming with Your Key..................................2-17
Doing Your Own Service Work........................... 5-4
Dolly Towing..................................................4-32
Dome Lamp...................................................3-18
Door.............................................................3-45
Ajar Warning Message.................................3-45
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks............... 2-9
4

Door (cont.)
Driver Information Center (DIC).........................3-49
Driver............................................................1-15
Position, Safety Belt.....................................1-15
Driver's Side Instrument Panel Fuse Block.........5-96
Driving On Grades..........................................4-39
Driving on Snow or Ice....................................4-26
Driving Through Deep Standing Water...............4-19
Driving Through Flowing Water.........................4-19
Driving with a Trailer.......................................4-38
Driving..........................................................4-16
At Night.....................................................4-16
City...........................................................4-20
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-21
Hill and Mountain Roads..............................4-23
In Rain and on Wet Roads...........................4-17
Winter........................................................4-25
Dual Climate Control System............................3-22
E
Electrical System............................................5-94
Add-On Equipment......................................5-94
Fuses and Circuit Breakers...........................5-95
Headlamp Wiring.........................................5-94
Power Windows and Other Power Options......5-95
Windshield Wiper Fuses...............................5-94Electrical System (cont.)
Emergency Trunk Release Handle.....................2-12
Emissions Inspection and
Maintenance Programs.................................3-39
Engine Coolant Level Check.............................6-10
Engine Cooling When Trailer Towing..................4-40
Engine Oil Additives........................................5-20
Engine Oil Level Check...................................6-10
Engine..........................................................5-22
Air Cleaner/Filter.........................................5-22
Battery.......................................................5-48
Change Oil Message...................................3-44
Check and Service Engine Soon Light............3-37
Compartment Overview................................5-12
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-36
Coolant......................................................5-27
Cooling System Inspection............................6-15
Exhaust.....................................................2-31
Low Oil Level Message................................3-43
Oil .............................................................5-16
Overheating................................................5-30
Starting......................................................2-19
Entry Lighting.................................................3-17
Erasing HomeLinkžButtons..............................2-42
EXIT (Exit Feature Customization Mode)............2-53
Express-Down Window....................................2-14
Extender, Safety Belt.......................................1-30
Exterior Lamps...............................................3-14
5

M
Maintenance, Normal Replacement Parts..........5-105
Maintenance Schedule.....................................6-10
At Each Fuel Fill.........................................6-10
At Least Once a Month................................6-10
At Least Once a Year..................................6-11
At Least Twice a Year..................................6-11
Brake System Inspection..............................6-15
Engine Cooling System Inspection.................6-15
Exhaust System Inspection...........................6-14
Fuel System Inspection................................6-15
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-10
Part C - Periodic MaintenanceInspections......6-14
Part D - Recommended Fluids and Lubricants . 6-16
Part E - Maintenance Record........................6-17
Scheduled Maintenance................................. 6-5
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-14
Throttle System Inspection............................6-15
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-40Making Turns.................................................4-38
Malfunction Indicator Light................................3-37
Manual Lumbar Controls.................................... 1-3
Manual Operation...........................................3-22
Manual Seats................................................... 1-2
Matching Transmitter(s) to Your Vehicle............... 2-6
Message.......................................................3-42
Battery Warning..........................................3-42
Center.......................................................3-40
Change Engine Oil......................................3-44
Door Ajar Warning.......................................3-45
Highbeam Out Warning................................3-48
Hot Coolant Temperature Warning..................3-42
Low Brake Fluid Warning..............................3-47
Low Engine Oil Level...................................3-43
Low Fuel Warning.......................................3-47
Low Oil Pressure.........................................3-43
Low Tire .....................................................3-44
Low Washer Fluid Warning...........................3-46
Security.....................................................3-46
Service Traction System Warning...................3-41
Service Vehicle Soon...................................3-48
Traction Active............................................3-41
Trunk Ajar Warning......................................3-45
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-5
9

Reclining Seatbacks.......................................... 1-4
Recreational Vehicle Towing.............................4-31
Remote Keyless Entry System, Operation............ 2-4
Remote Keyless Entry System............................ 2-3
Remote Trunk Release....................................2-11
Removing the Flat Tire and Installing the Spare
Tire ...........................................................5-76
Removing the Spare Tire and Tools...................5-73
Removing the Wheel Covers and the
Wheel Nut Caps..........................................5-75
Replacement Bulbs.........................................5-59
Replacing Brake System Parts..........................5-48
Replacing Restraint System Parts After a Crash . . 1-62
Reporting Safety Defects.................................7-10
Canadian Government..................................7-10
General Motors...........................................7-10
United States Government............................7-10
Reprogramming a Single HomeLink
žButton.......2-42
Resetting Defaults...........................................2-42
Resetting the Trip Computer.............................3-52
Restraint System Check...................................6-11
Checking Your Restraint Systems...................1-61
Replacing Restraint System Parts
After a Crash..........................................1-62
Restraint Systems...........................................1-61
Checking....................................................1-61
Replacing Parts...........................................1-62
Resynchronization............................................. 2-7Retained Accessory Power (RAP)......................2-19
Right Front Passenger Position, Safety Belts......1-23
Roadside......................................................... 7-5
Assistance Program....................................... 7-5
Rocking Your Vehicle To Get It Out...................4-30
Running Your Engine While You Are Parked.......2-32
S
Safety Belt.....................................................3-32
Reminder Light............................................3-32
Safety Belts...................................................5-88
Care of......................................................5-88
Center Front Passenger Position....................1-23
Driver Position............................................1-15
How to Wear Safety Belts Properly................1-14
Questions and Answers About Safety Belts.....1-13
Rear Safety Belt Comfort Guides for Children
and Small Adults......................................1-28
Rear Seat Passengers.................................1-25
Right Front Passenger Position......................1-23
Safety Belt Extender....................................1-30
Safety Belt Use During Pregnancy.................1-22
Safety Belts Are for Everyone......................... 1-9
Safety Chains.................................................4-37
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-5
12

T
Tachometer....................................................3-32
Taillamps.......................................................5-58
Turn Signal, Stoplamps and Sidemarker
Lamps....................................................5-58
TCS Warning Light..........................................3-35
Theft-Deterrent, Radio.....................................3-89
Theft-Deterrent Systems...................................2-16
Content Theft-Deterrent................................2-16
Passlock
ž...................................................2-17
Throttle System Inspection...............................6-15
Tilt Wheel........................................................ 3-7
Tire In¯ation Check.........................................6-10
TIRE MON (Tire In¯ation Monitor Reset)............2-46
Tire ...............................................................3-44
Low Message.............................................3-44
Tires.............................................................5-61
Buying New Tires........................................5-67
Chains.......................................................5-71
Changing a Flat Tire....................................5-72
Compact Spare Tire.....................................5-84
If a Tire Goes Flat.......................................5-71
In¯ation -- Tire Pressure...............................5-62
Inspection and Rotation................................5-65
Pressure Monitor System..............................5-63
Uniform Tire Quality Grading.........................5-68
Wheel Alignment and Tire Balance.................5-69
Wheel Replacement.....................................5-69
When It Is Time for New Tires......................5-66Tires (cont.)
To Use the Engine Coolant Heater....................2-22
Top Strap Anchor Location...............................1-42
Top Strap......................................................1-41
Torque Lock...................................................2-30
Total Weight on Your Vehicle's Tires..................4-37
Towing..........................................................4-31
Recreational Vehicle.....................................4-31
Towing a Trailer..........................................4-34
Your Vehicle...............................................4-31
Traction.........................................................3-41
Active Message...........................................3-41
Control System (TCS).................................... 4-9
Control System Warning Light.......................3-35
Service Traction System Warning Message.....3-41
Trailer Brakes.................................................4-37
Transaxle Operation, Automatic.........................2-23
Transaxle.......................................................5-24
Fluid, Automatic...........................................5-24
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11
Transmitter Veri®cation...................................... 2-5
Transportation Options...................................... 7-8
Trip Computer................................................3-52
Trip Odometer................................................3-31
TRNKJAMB (Trunk Jamb)................................2-51
Trunk Ajar Warning Message............................3-45
Trunk Assist Handle........................................2-11
Trunk Lock....................................................2-11
Trunk............................................................2-10
14