PONTIAC GRAND PRIX 2003 Owners Manual

Vehicle Identification
Vehicle Identification Number (VIN)
This is the legal identifier for your vehicle. It appears on
a plate
in the front corner of the instrument panel, on
the driver’s side. You can see it
if you look through the
windshield from outside your vehicle. The
VIN also
appears on the Vehicle Certification and Service Parts
labels and the certificates of title and registration.
Engine Identification
Service Parts Identification Label
You’ll find this label on the inside of your trunk lid.
It’s very helpful
if you ever need to order parts.
On this label is:
your VIN,
the model designation,
paint information and
a list of all production options and special
equipment.
Be sure that this label is not removed from the vehicle.
The 8th character in your
VIN is the engine code. This
code will help you identify your engine, specifications
and replacement parts.
5-96

Electrical System
Add-on Electrical Equipment
Notice: Don’t add anything electrical to your vehicle
unless you check with your dealer first. Some
electrical equipment can damage your vehicle and
the damage wouldn’t be covered by your warranty.
Some add-on electrical equipment can keep other
components from working as they should.
Your vehicle has an air bag system. Before attempting
to add anything electrical to your vehicle, see
Servicing Your Air Bag-Equipped Vehicle on page
1-57.
Headlamp Wiring
The headlamp circuit is protected by individual fuses in
the underhood fuse block. An electrical overload will
cause the fuse to blow. If this happens, have your
headlamp system checked right away.
Windshield Wiper Fuses
The windshield wiper motor is protected by a circuit
breaker and
a fuse. If the motor overheats due to heavy
snow, etc., the wiper will stop until the motor cools.
If the overload is caused by some electrical problem,
have it fixed.
Power Windows and Other Power
Options
Circuit breakers in the fuse panel protect the power
windows
and other power accessories. When
the current load is too heavy, the circuit breaker opens
and closes, protecting the circuit until the problem
is fixed.
Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from
short circuits by a combination of fuses, circuit breakers
and fusible thermal links in the wiring itself. This
greatly reduces the chance of fires caused by electrical
problems.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one of the identical
size and rating. See Underhood Fuse Block later in
this section.
5-97

Instrument Panel Fuse Block
Some fuses are in a fuse block located inside of the
glove box behind a small bin on the right side.
To open,
pull the cover out. The fuse block is inside. On the
back edge of this cover is a fuse usage chart.
To reinstall the bin, position the lower end and turn the
top into position. Press on the sides until it snaps
into place.
CIRCUIT
BREAKERS
(HEADLAMPI
I
I I MALLPGM I MALL I WIPER I I STR WHL
ILLUM I 'TT:rL SUNROOF RADIO
PASSKEY
111
CRUISE
I PWR LOCK
HAZARD
r
FUSE USAGE CHARTI I
STOP LAMP
I/P-IGN HSEATILUM
PWR MIR
ONSTAR
SIR
HVAC
CTRL
R DEFOG
HVAC
HI
TURN
BTSl
DICIHVAC
For More Information. See Owner's Manual
Circuit
Usage
Breakers
HEADLAMP Headlamps
SEAT Power Seat, Power Lumbar
BLANK Blank
PWR WDO Power Windows
I BLANK Bian k
BLANK Blank
BLANK Blank
5-98

Circuit
Breakers
MALL PGM
MALL
WIPER STR WHL
ILLUM
BLANK
STR WHL
CTRL
SUNROOF RADIO
BLANK
RADIO AMP
PWR LOCK
HSEAT/LUM
I Usage
Mall Module - Program
Mall Module
~~ ~~
-
Wipers
Steering Wheel Illumination
Blank
Steering Wheel Control
Sunroof
Radio
R DEFOG Rear Window Defogger
PASS KEY
Ill PASS-Key@ I II Security System
~~ ~
lRAP I Retained Accessow Power I
ONSTAR Onstar@
System
BLANK Blank
SIR Supplemental
Inflatable Restraint
(Air Baa)
BTSl
I
Automatic Transaxle Shift Lock
Control
5-99

Circuit Usage
Breakers
BLANK Blank - -. . . . . - . - . . . -
I PWR DROP I Power Droo lanition
CAN I
STE R
VENT
1- il
Canister Vent Solenoid
I DRL I Davtime Runnina Lamos I
Underhood Fuse Block
Fuses Usage
Cooling Fan 2
Spare
Headlamps
4 Battery Main 2
5 Ignition Main 1
5-1 00

I
21
22
I 27
Usaqe
Mass Air Flow (MAF), Heated
Sensors, Canister Purge, Boost
Solenoid
Spare
SDare
Spare lanition Module
Spare
trunk Release. Back-UD Lamps I
28 I AC Clutch, ABS Ignition
I I Remote Kevless Entrv. I
29 Theft-Deterient, Trip Computer,
HVAC Module, Security LED
30
Torque Converter Clutch (TCC) 31
Alt Sense idemarker Lamps,
Relays
Usage
Air Conditionina Clutch Diode I
9 I Coolina Fan
4
I
I 10 I Coolina Fan 2
v
1
I 11 I lanition Main I ~ ~
12 Cooling Fan 1
13 Air Conditioning Clutch
5-1 01

Capacities and Specifications
Please refer to Part D: Recommended Fluids and Lubricants on page 6-15 for more information.
Capacities and Specifications
Capacities
Application
Automatic Transaxle
1.1 kg
2.4 Ibs Air
Conditioning Refrigerant R-l34a
Metric
English
Pan Removal and Replacement
9.5 L
10.0 quarts
After Complete Overhaul
7.0 L 7.4 quarts
When drainingheplacing converter or auxiliary cooler, more fluid may be needed.
Cooling System Including Reservoir
3100 V6 (Code J)
11 -2 quarts
3800 V6 Supercharged (Code 1) 10.6
L
11.2 quarts
3800
V6 (Code
K)
10.4 L 11 .O quarts
10.6 L
5-1
02

Capacities and Specifications (cont’d)
T
Application
Engine Oil with Filter
31 00 V6 (Code J)
3800 V6 (Code K)
3800 V6 Supercharged (Code 1)
Capacities
English
4.3 quarts
4.3 quarts
4.3 quarts
Metric
4.1 L
4.1 L
4.1 L
Fuel Tank
All capacities are approximate. When adding fluid, be sure to fill to the appropriate level, as recommended in this
manual. Recheck fluid level after filling. See
Pad D: Recommended Nuids and Lubricants on page 6-75 for more
information.
I 17.2 gallons 65 L
Engine Specifications
Wheel Nut
Engine Torque
Firing Order
Spark
Plug Gap VIN Code
3100 V6 J .060 inch 100 ft Ib
191
CID (3.1L LG8) (1.52mm) 1-2-3-4-5-6
(140 Nmm )
1-6-5-4-3-2
5-1 03

Normal Maintenance Replacement Parts
Normal Maintenance Replacement Parts
Wiper Blades
Length
TY Pe Shepherd’s
Hook
22 inches (56 cm)
I
*AC Delco@ part number.
5-1 04

Section 6 Maintenance Schedule
Maintenance Schedule ...................................... 6-2
Introduction
................................................... 6-2
Your Vehicle and the Environment
.................... 6-2
Maintenance Requirements
.............................. 6-2
How This Section is Organized
......................... 6-3
Part A: Scheduled Maintenance Services
........... 6-4
Using Your Maintenance Schedule
.................... 6.4
Scheduled Maintenance
.................. ......... 6.5
Part B: Owner Checks and Services
.... ..... 6.9
At Each Fuel Fill
........................................ 6-9
At Least Once a Month
................................... 6.9
At Least Twice a Year
................................... 6.10 At
Least Once a Year
................................... 6.10
Pari C: Periodic
Maintenance inspections ......... 6.13
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection
............................ 6-13
Exhaust System Inspection
............................ 6.13
Fuel System Inspection
.................................. 6.13
Engine Cooling System Inspection
................... 6.13
Throttle System Inspection
............................ -6-14
Brake System Inspection
................................ 6.14
Part D: Recommended Fluids and Lubricants
.... 6-15
Part
E: Maintenance Record ........................... 6.16
6- 1