1999 CHEVROLET S10 Owners Manual

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6-67
Replacement Bulbs
Lamps Quantity Number
Halogen Headlamps, Composite Low
-Beam2 9006 HB4
Halogen Headlamps, Composite High
-Beam2 9005 HB3
Tail and Stoplamps 2 3057
Front Sidemarker Lamps 2 194
Front Turn Signal Lamps 2 3157NA
Center High
-Mounted Stoplamp2 577
Capacities and Specifications
Engine 2.2L L4 ªVORTECº 4300 V6 ªVORTECº 4300 V6
Type L4 V6 V6
VIN Code 4 X W
Firing Order
1
-3-4-21-6-5-4-3-21-6-5-4-3-2
Horsepower (T Series) N/A 180 at 4,400 rpm 190 at 4,400 rpm
Horsepower (S Series) 120 at 5,000 rpm 175 at 4,400 rpm 180 at 4,400 rpm
Thermostat Specification
195
F (91
C) 195
F (91
C) 195
F (91
C)
Spark Plug Gap 0.040 inches
(1.01 mm)0.060 inches
(1.52 mm)0.060 inches
(1.52 mm)

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6-68 Wheels and Tires
Wheel Nut Torque 100 lb-ft (140 N´m) . . . . . . . . . . .
Tire Pressure See the Certification/Tire label. . . . . . .
See ªLoading Your Vehicleº in the Index.
Capacities (Approximate)
Cooling System Capacity*
Engine Quantity
2.2L L4 Auto./Manual 11.5 quarts (11.0 L)
ªVORTECº 4300 V6 Auto. 11.7 quarts (11.1 L)
ªVORTECº 4300 V6 Manual 11.9 quarts (11.3 L)
Crankcase Capacity*
Engine Quantity with Filter
2.2L L4 4.5 quarts (4.3 L)
ªVORTECº 4300 V6 4.5 quarts (4.3 L)
Automatic Transmission Capacity*
Type Quantity (Drain and Refill)
4L60E 5.0 quarts (4.7 L)
*After refill, the level must be checked.Differential Fluid
Axle Quantity
Rear 4.0 pints (1.9 L)
Front 2.6 pints (1.2 L)
Fuel Tank Capacity
Type Quantity
Standard Tank 18.5 gallons (70.0 L)
A/C Refrigerant Capacity
Type Quantity
R
-134a 1.75 lbs (0.79kg)

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6-69
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same. If the air
conditioning system in your vehicle needs refrigerant, be
sure the proper refrigerant is used. If you're not sure, ask
your dealer.
Normal Maintenance Replacement Parts
Replacement part numbers listed in this section are based on the latest information available at the time of printing
and are subject to change. If a part listed in this manual is not the same as the part used in your vehicle when it was
built, or if you have any questions, please contact your GM dealer.
Engine 2.2L L4 ªVORTECº 4300 V6
Thermostat 10182377 12559051
Oil Filter PF47 PF52
Air Cleaner Filter A1163C A1163C
PCV Valve N/A CV769C
Automatic Transmission
Filter Kit24200796 24200796
Spark Plugs
41
-948 41-932
Fuel Filter GF481 GF481
Windshield Wiper Blades Trico (20 inches/51 cm) Trico (20 inches/51 cm)

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6-70 Vehicle Dimensions*
Wheelbase
Reg Cab Short Box 108.3 inches (275.1 cm). . . . . .
Reg Cab Long Box 117.9 inches (299.5 cm). . . . . .
Extended Cab 122.9 inches (312.2 cm). . . . . . . . . .
Length
Reg Cab Short Box 189.0 inches (480.1 cm). . . . . .
Reg Cab Long Box 204.9 inches (520.4 cm). . . . . .
Extended Cab 203.6 inches (517.1 cm). . . . . . . . . .
Height
2WD Reg Cab 62.1 inches (157.7 cm). . . . . . . . . . .
2WD Ext Cab 62.2 inches (158.0 cm). . . . . . . . . . .
4WD Reg Cab Short Box 63.8 inches (162.1 cm). .
4WD Reg Cab Long Box 65.4 inches (166.1 cm). .
4WD Extended Cab 63.8 inches (162.1 cm). . . . . .
Width 67.9 inches (172.5 cm). . . . . . . . . . . . . . . . . . Front Tread
2WD
0.0 Wheel Offset 54.5 inches (138.4 cm). . . . . . . . .
-6.4 Wheel Offset 55.0 inches (139.6 cm). . . . . . . .
4WD
15
-inch Tires 57.3 inches (145.4 cm). . . . . . . . . . . .
31 x 10.5 Tires 61.2 inches (155.4 cm). . . . . . . . . . .
Rear Tread
2WD 54.7 inches (138.8 cm). . . . . . . . . . . . . . . . . . . .
4WD
15
-inch Tires 55.1 inches (139.9 cm). . . . . . . . . . . .
31 x 10.5 Tires 59.1 inches (150.0 cm). . . . . . . . . . .
*Figures reflect base equipment only.

7-
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7-1
Section 7 Maintenance Schedule
This section covers the maintenance required for your vehicle. Your vehicle needs these services to retain its safety,
dependability and emission control performance.
7
-2 Introduction
7
-4 Part A: Scheduled Maintenance Services
7
-8 Short Trip/City Scheduled Maintenance
7
-29 Long Trip/Highway Scheduled Maintenance7
-42 Part B: Owner Checks and Services
7
-46 Part C: Periodic Maintenance Inspections
7
-48 Part D: Recommended Fluids and Lubricants
7
-51 Part E: Maintenance Record

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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.

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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 are skilled enough to do some work on your
vehicle, you will probably 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 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 provides a place for
you to record the maintenance performed on your
vehicle. Whenever any maintenance is performed, be
sure to write it down in this part. This will help you
determine when your next maintenance should be done.
In addition, it is a good idea to keep your maintenance
receipts. They may be needed to qualify your vehicle for
warranty repairs.

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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.
These schedules are for vehicles that:

carry passengers and cargo within recommended
limits. You will find these limits on your vehicle's
Certification/Tire label. See ªLoading Your Vehicleº
in the Index.

are driven on reasonable road surfaces within legal
driving limits.

are driven off
-road in the recommended manner. See
ªOff
-Road Driving With Your Four-Wheel-Drive
Vehicleº in the Index.

use the recommended fuel. See ªFuelº in the Index.
Selecting the Right Schedule
First you'll need to decide which of the two schedules is
right for your vehicle. Here's how to decide which
schedule to follow: