2004 CHEVROLET IMPALA automatic transmission

Tire Terminology and Denitions
Air Pressure:The amount of air inside the tire pressing
outward on each square inch of the tire. Air pressure
is expressed in pounds per square inch (psi) or
kilopascal (kPa).
Accessory Weight:This means the combined weight
of optional accessories. Some examples of optional
accessories are, automatic transmission, power steering,
power brakes, power windows, power seats, and air
conditioning.
Aspect Ratio:The relationship of a tire’s height to
its width.
Belt:A rubber coated layer of cords that is located
between the plies and the tread. Cords may be made
from steel or other reinforcing materials.
Bead:The tire bead contains steel wires wrapped by
steel cords that hold the tire onto the rim.
Bias Ply Tire:A pneumatic tire in which the plies are
laid at alternate angles less than 90 degrees to the
centerline of the tread.Cold Ination Pressure:The amount of air pressure in
a tire, measured in pounds per square inch (psi) before a
tire has built up heat from driving. SeeInation - Tire
Pressure on page 5-72.
Curb Weight:This means the weight of a motor
vehicle with standard and optional equipment including
the maximum capacity of fuel, oil and coolant, but
without passengers and cargo.
DOT Markings:A code molded into the sidewall of a
tire signifying that the tire is in compliance with the
U.S. Department of Transportation motor vehicle safety
standards. The DOT code includes the Tire Identication
Number (TIN), an alphanumeric designator which can
also identify the tire manufacturer, production plant,
brand and date of production.
GVWR:Gross Vehicle Weight Rating, seeLoading
Your Vehicle on page 4-32.
GAWR FRT:Gross Axle Weight Rating for the front
axle, seeLoading Your Vehicle on page 4-32.
GAWR RR:Gross Axle Weight Rating for the rear axle,
seeLoading Your Vehicle on page 4-32.
5-69

Engine Specications
Engine VIN Code Transmission Spark Pug Gap
3400 (LA1) V6 E Automatic 0.060 inches (1.52 mm)
3800 (L36) V6 K Automatic 0.060 inches (1.52 mm)
3800 Supercharged (L67) V6 1 Automatic 0.060 inches (1.52 mm)
5-111

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number or specication may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM Goodwrench
oil meets all the requirements for
your vehicle. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on
page 5-18.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-29.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
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
TransaxleDEXRON
®-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
SuperchargerSupercharger Oil
(GM Part No. U.S. 12345982, in
Canada 10953513). See
Supercharger Oil on page 5-24.
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
HingesMulti-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).
6-12

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your dealer.
Normal Maintenance Replacement Parts
Part GM Part Number AC Delco Part Number
Engine Air Cleaner/Filter 24508572 A1614C
Passenger Compartment Air Filter 10406026 —
Engine Oil Filter 25010792 PF47
Automatic Transmission Filter 24206433 —
Spark Plugs 12568387 41–101
Windshield Wiper Blades 12367280 8–2221
Type Shepherd’s Hook
Length 22 inches (56.0 cm)
6-13

Trailer Brakes.................................................4-40
Transaxle
Fluid, Automatic...........................................5-26
Transaxle Operation, Automatic.........................2-22
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-12
Transmitter Verication...................................... 2-5
Transportation Options...................................... 7-8
Trip Computer................................................3-55
Trip Odometer................................................3-30
TRNKJAMB (Trunk Jamb)................................2-50
Trunk............................................................2-11
Trunk Ajar Warning Message............................3-49
Trunk Assist Handle........................................2-12
Trunk Lock....................................................2-11
Turn and Lane-Change Indicator......................... 3-8
Turn Signal/Multifunction Lever........................... 3-7
Turn Signals When Towing a Trailer..................4-42
U
Underhood Fuse Block (Lower).......................5-109
Underhood Fuse Block (Upper).......................5-108
Understanding Radio Reception........................3-94
Uniform Tire Quality Grading............................5-77
United States – Customer Assistance.................. 7-4Used Replacement Wheels..............................5-80
Using Cleaner on Fabric..................................5-95
Using HomeLink
®...........................................2-41
V
Vehicle
Control........................................................ 4-5
Customization Settings.................................3-97
Damage Warnings........................................... iv
Loading......................................................4-32
Service Soon Message.................................3-51
Symbols......................................................... iv
Vehicle Data Collection and Event Data
Recorders..................................................7-10
Vehicle Identication
Number (VIN)............................................5-102
Service Parts Identication Label..................5-102
Vehicle Personalization....................................2-44
Vehicle Storage..............................................5-51
Ventilation Adjustment......................................3-24
Visor Vanity Mirrors.........................................2-14
Visors...........................................................2-14
15