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Checking Things Under the Hood
The following sections tell you how to check fluids,
lubricants and important parts underhood.
Hood Release
v-
To open the hood. first
pull the hood release
handle inside the vehicle, located
to the
left of the steering
wheel under
the
instrument panel. Then
go to the front
of the vehicle and pull up on the
underhood release.
Lift the
hood.
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Engine Accessory Belt
The 4.0L Aurora engine uses an engine accessory belt.
This diagram shows the features connected by the belt
routing. See”Maintenance Schedu1e”in the Index for
when to check the belt.
1. Tensioner Arm Pulley
2. Power Steering Pump Pulley
3. Idler Pulley 4.
Alternator Pulley
5. Air Conditioner Compressor Pulley
6. Harmonic Balancer
Engine Oil
If the CHECK 01L LEVEL message or the oil warning
light on the instrument panel comes
on, it means you
need to check your engine oil level right away.
For more
information, see “Check Oil Level Message” or
“Oil
Warning Light” in the Index. You should check your
engine
oil level regularly; this is an added reminder.
It’s a
good idea to check your engine oil every time you
get fuel. In order to get an accurate reading, the oil must
be warm and the vehicle must be on level ground.
Turn off the engine and give the
oil a few minutes to
drain back into the oil pan.
If you don’t, the oil dipstick
might not show the actual level.
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Cleaning Leather Care of Safety Belts
1 i I saddle soap.
1 For stubborn stains, use a GM Vinylkeather Cleaner
Use a soft cloth
with lukewarm water and a mild soap or
I
I
I
or equivalent product.
cleaners, furniture polish or shoe polish on leather.
is allowed to work into the finish, it can harm the
leather.
Never use oils, varnishes, solvent-based or abrasive
1 Soiled leather should be cleaned immediately. If dirt
Cleaning the Top of the Instrument Panel
Use only mild soap and water to clean the top surfaces
of the instrument panel. Sprays containing silicones or
waxes may cause annoying reflections in the windshield
and even make it difficult to see through the windshield
under certain conditions. Keep belts clean and
dry. Glass
Glass should be cleaned often. GM Glass Cleaner (GM
Part No. 1050427) or a liquid household glass cleaner
will remove normal tobacco smoke and dust films.
Don’t use abrasive cleaners on glass, because they may
cause scratches. Avoid placing decals on the inside rear
window, since they may have to be scraped
off later. If
abrasive cleaners are used on the inside of the rear
window, an electric defogger element may be damaged.
Any temporary license should not be attached across the
defogger grid.
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Vehicle Identification Number (VIN)
I. I
ENGINE A95 7 ASSEMBLY
CODE MODEL YEAR
PLANT
This is the legal identifier for your Aurora. 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
The eighth character in your VIN is the engine code.
This code will help you identify your engine,
specifications, and replacement parts.
Service Parts Identification Label
You'll find this label inside the trunk on the side trim
near the power antenna. It's very helpful
if you ever
need
to order parts. On this label is:
your VIN,
0 the model designation,
0 paint information, and
0 a list of all production options and special
equipment.
Be sure that this label is not removed from the vehicle.
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The third fuse panel is located on the left side of the
instrument panel.
To open it, simply pull on the latch
and the door will open.
You’ll find
a fuse puller clipped to the inside of the
cover. Place the wide end of the fuse puller over the
plastic end
of the fuse. Squeeze the ends over the fuse
and pull
it out. To close the fuse door, press the door
closed and
it will latch. Two
spare fuses are located below the fuse puller. You’ll
also find spare fuses
in the slots labeled “Spare” on the
following charts.
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 correct amp
rating.
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r.
Fuse Usage
Position Circuitry
I. 2
4
5. 6
x. 9
II
12, 13
15
16
17
18
I9
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
Spare
Breaker-Power Window/Sunrool'
Spare
Spre
Breaker-Power Seat
spa re
Power Seat
Breaker.-Headlamps
HVAC Blower Mo~or
Ignition 3
Ignition I
Rear Defogger
Trunk and FLKI Door Releases
Heated Seat
Electronic Level Control/lnstrument Panel
Exterior Lamps
Box@ Stereo
(If So Equipped)
Power Door Locks
Interior Lamp
Hazard Lamps. Stop Lamps
Parking
Lamps
Heated Outside h4irror
Back-Up Lamps
Fuel
Door Release
Not Used
Battery Thertmislor
Instrument Panel-Power Antenna, Remote CD Changer.
Rndio
Chassis
Instrument Panel-Remote Accessory Power Module. Oil
Level Indicator, ALDL
Electronic Level Control
Fuel Pump
Powertrain
control MOCIUI~/PASS-K~~@II
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Maxifuse/Relay Center
It’s easy to check the fuses in this underhood relay
center. There are two locking arms on either side
of the
base of the cover. Reach down and unsnap each one by
pulling the cover toward you, then pushing
it away
while pulling up. Remove the cover. The inside of the
cover has a chart that explains the features and controls
governed
by each fuse and relay.
Headlamp Wiring
The headlamp wiring is protected by a circuit breaker in
the wiring harness. An electrical overload will cause the
lamps
to go on and off, or in some cases to remain off. If
this happens, have your headlamp system checked right
away.
Windshield Wipers
The windshield wiper motor is protected by an internal
circuit breaker and a fuse in the fuse panel
on the other
side
of the instrument panel. 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.
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Replacement Bulbs
OUTSIDE LAMPS ......................... BULB
Cornering Lamps ........................... 3057
Front Parking Lamps
..................... 3 157NA
Front Turn Signal Lamps
.................. 3 157NA
LowBeam
............................... 9006
Front
Halogen Headlamps HighBeam
.............................. 9005
FogLamps
................................. 893
Rear
Back-up Lamps ............................ 3 155
License Plate Lamp
........................... 194
Center High-Mounted Stoplamp
............... 11 56
Rear Side Marker Lamps
...................... 194
Stop/Taillamps
............................. 3057
Rear Turn Signal
............................ 3057
Trunk Lamp
................................. 93
INSIDE LAMPS ........................... BULB
Front Overhead Lamps ........................ 168
Visor Vanity Lamps
......................... 7065
Rail CourtesyReading Lamps
.................. 168
Front Courtesy Lamps
......................... 74
Front Warning Lamps
.......................... 74
Rear CourtesyNarning Lamps
................... 74
Driver Door Floodlamp
........................ 74
Sound Insulator Panel (Lower Floor Lighting)
...... 168
Glove Compartment Lamp
..................... 194
Ashtray Lamp ............................... 194
Center Console Storage Compartment Lamp
....... 194
Overhead
Doors
Instrument Panel and Console
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