Page 312 of 361

6-63
Magnesium Wheel Finish
NOTICE:
Improper paint repair or refinishing can cause
corrosion damage to a magnesium wheel. See
your dealer if a magnesium wheel needs paint
repair or refinishing.
Underbody Maintenance
Chemicals used for ice and snow removal and dust
control can collect on the underbody. If these are not
removed, accelerated corrosion (rust) can occur on the
underbody parts such as fuel lines, frame, floor pan
and exhaust system even though they have
corrosion protection.
At least every spring, flush these materials from the
underbody with plain water. Clean any areas where mud
and other debris can collect. Dirt packed in closed areas
of the frame should be loosened before being flushed.
Your dealer or an underbody car washing system can do
this for you.
Fiberglass Springs
NOTICE:
Don't use corrosive or acidic cleaning agents,
engine degreasers, aluminum cleaning agents or
other harsh solvents to clean fiberglass springs;
they'll damage the springs.
Chemical Paint Spotting
Some weather and atmospheric conditions can create
a chemical fallout. Airborne pollutants can fall upon
and attack painted surfaces on your vehicle. This
damage can take two forms: blotchy, ringlet
-shaped
discolorations, and small irregular dark spots etched
into the paint surface.
Although no defect in the paint job causes this,
Chevrolet will repair, at no charge to the owner, the
surfaces of new vehicles damaged by this fallout
condition within 12 months or 12,000 miles (20 000 km)
of purchase, whichever occurs first.
Page 321 of 361
6-72
Minifuse Usage
7 Selective Real Time Damping
(SRTD) Relay
8 Headlamp Low
-Beam Right
9 Headlamp High
-Beam Right
10 Headlamp Low
-Beam Left
11 Horn
12 Headlamp High
-Beam Left
13 Fuel Pump
14 Cooling Fan
- Ignition 3
15 Oxygen Sensor
16 Powertrain Control Module
17 Throttle Control
18 Injector 2
19 Engine Ignition
20 Blank
21 Blank
22 Injector 1
23 Powertrain Control Module
24 Air ConditioningMinifuse Usage
25 Blank
26 Blank
27 Spare
28 Spare
29 Spare
30 Spare
31 Spare
32 Spare
Micro Relay Usage
33 Air Pump
34 Air Conditioner and Clutch
35 Fuel Pump
36 Horn
37 Rear Fog Lamp
38 Back
-Up Lamps
39 Fog Lamp
40 Blank
41 Selective Real Time
Damping (SRTD)
Page 323 of 361

6-74
Capacities and Specifications
The following approximate capacities are given in
English and metric conversions.
Please refer to ªRecommended Fluids and Lubricantsº
in the Index for more information.
Air ConditioningSee the refrigerant information . . .
label under the hood.
Automatic Transmission
Drain and Refill 5.0 quarts (4.7 L). . . . . . . . . . . . . .
Overhaul 10.8 quarts (10.2 L). . . . . . . . . . . . . . . . .
Cooling System12.6 quarts (11.9 L) . . . . . . . . . . . . . .
Crankcase
With Filter Change 6.5 quarts (6.1 L). . . . . . . . . . .
Fuel Tank18.5 gallons (70.0 L) . . . . . . . . . . . . . . . . .
Manual Transmission
(Overhaul)4.1 quarts (3.8 L) . . . . . . . . . . . . . . . . .
Rear Axle
Lubricant 1.69 quarts (1.6 L). . . . . . . . . . . . . . . . . .
Limited Slip Additive 4 ounces (118 ml). . . . . . . . .
Tire PressuresSee Tire
-Loading Information . . . . . .
label on rear edge of driver's door.
Wheel Nut Torque100 lb
-ft (140 N´m) . . . . . . . . . . All capacities are approximate. When adding, be sure to
fill to the appropriate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Type5.7L V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIN Engine CodeG . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement346 cubic inches (5665 cc) . . . . . . . . .
Fuel DeliverySequential Multi
-Port . . . . . . . . . . . . .
Fuel Injection (SFI)
Valve ArrangementOverhead Valve . . . . . . . . . . . . .
Piston Displacement5.7L . . . . . . . . . . . . . . . . . . . . . .
Bore3.90 inches (9.9 cm) . . . . . . . . . . . . . . . . . . . . . .
Stroke3.62 inches (9.2 cm) . . . . . . . . . . . . . . . . . . . .
Compression Ratio10.1:1 . . . . . . . . . . . . . . . . . . . .
Horsepower345 @ 5600 . . . . . . . . . . . . . . . . . . . . . . .
Torque350 @ 4400 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Firing Order1
-8-7-2-6-5-4-3 . . . . . . . . . . . . . . . . . .
Thermostat Starts to Open187F (86C) . . . . . . . .
Page 327 of 361

7-2
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet, or your dealer
for details.
Introduction
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep your
vehicle in good working condition, but also helps the
environment. All recommended maintenance procedures
are important. Improper vehicle maintenance can even
affect the quality of the air we breathe. Improper fluid
levels or the wrong tire inflation can increase the level
of emissions from your vehicle. To help protect our
environment, and to keep your vehicle in good
condition, please maintain your vehicle properly.
Maintenance Requirements
Maintenance intervals, checks, inspections and
recommended fluids and lubricants as prescribed in
this manual are necessary to keep your vehicle in good
working condition. Any damage caused by failure to
follow recommended maintenance may not be covered
by warranty.
Page 328 of 361

7-3 How This Section is Organized
This maintenance schedule is divided into five parts:
ªPart A: Scheduled Maintenance Servicesº shows
what to have done and how often. Some of these
services can be complex, so unless you are technically
qualified and have the necessary equipment, you should
let your dealer's service department or another qualified
service center do these jobs.
CAUTION:
Performing maintenance work on a vehicle can
be dangerous. In trying to do some jobs, you can
be seriously injured. Do your own maintenance
work only if you have the required know
-how
and the proper tools and equipment for the job.
If you have any doubt, have a qualified
technician do the work.
If you want to get the service information, see ªService
and Owner Publicationsº in the Index.ªPart B: Owner Checks and Servicesº tells you
what should be checked and when. It also explains
what you can easily do to help keep your vehicle in
good condition.
ªPart C: Periodic Maintenance Inspectionsº explains
important inspections that your dealer's service
department or another qualified service center
should perform.
ªPart D: Recommended Fluids and Lubricantsº lists
some recommended products necessary to help keep
your vehicle properly maintained. These products, or
their equivalents, should be used whether you do the
work yourself or have it done.
ªPart E: Maintenance Recordº is a place for you
to record and keep track of the maintenance performed
on your vehicle. Keep your maintenance receipts.
They may be needed to qualify your vehicle for
warranty repairs.
Page 329 of 361

7-4
Part A: Scheduled
Maintenance Services
Using Your Maintenance Schedule
We at General Motors want to help you keep your
vehicle in good working condition. But we don't know
exactly how you'll drive it. You may drive very short
distances only a few times a week. Or you may drive
long distances all the time in very hot, dusty weather.
You may use your vehicle in making deliveries.
Or you may drive it to work, to do errands or in
many other ways.
Because of all the different ways people use their
vehicles, maintenance needs vary. You may need more
frequent checks and replacements. So please read the
following and note how you drive. If you have any
questions on how to keep your vehicle in good
condition, see your dealer.This part tells you the maintenance services you should
have done and when you should schedule them. If you
go to your dealer for your service needs, you'll know
that GM
-trained and supported service people will
perform the work using genuine GM parts.
The proper fluids and lubricants to use are listed in
Part D. Make sure whoever services your vehicle uses
these. All parts should be replaced and all necessary
repairs done before you or anyone else drives
the vehicle.
This schedule is for vehicles that:
carry passengers and cargo within recommended
limits. You will find these limits on your vehicle's
Tire
-Loading Information label. See ªLoading Your
Vehicleº in the Index.
are driven on reasonable road surfaces within legal
driving limits.
use the recommended fuel. See ªFuelº in the Index.
Page 334 of 361
Scheduled Maintenance
7-9
15,000 Miles (25 000 km)
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote .)
30,000 Miles (50 000 km)
Replace air cleaner filter.
An Emission Control Service.
45,000 Miles (75 000 km)
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote .)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
Page 335 of 361
Scheduled Maintenance
7-10
50,000 Miles (83 000 km)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly reaches
90F (32C) or higher.
± In hilly or mountainous terrain.
± Uses such as high performance operation.
If you do not use your vehicle under any of these conditions, change the fluid
and filter at 100,000 miles (166 000 km). Manual transmission fluid doesn't
require change.
60,000 Miles (100 000 km)
Replace air cleaner filter.
An Emission Control Service.
Inspect engine accessory drive belt.
An Emission Control Service.
75,000 Miles (125 000 km)
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote .)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE