1993 GMC SIERRA service

INTRODUCTION
1993 Sierra Owner’s Manual
Welcome
This manual was prepared to acquaint you with the operation an\
d
maintenance of your
1993 GMC Truck or Chassis, and to provide important
safety information. There is also a GMC Truck Warranty and Owner
Assistance Information booklet. In some vehicles, there can be information
manuals from other manufacturers like body builders or special \
equipment
companies. We urge you to review all these publications carefully. This
will
help you enjoy safe and trouble-free operation of your vehicle.
When it comes to service, keep in mind that your GMC Truck dealer knows
your vehicle best and is interested in your complete satisfaction. Your dealer
invites you to return
for all of your service needs both during and after the
warranty period.
Remember,
if you have a concern and need help handling it to your
satisfaction see the procedure in Section 8,
or in the GMC Truck Warranty
and Owner Assistance Information booklet.
Thanks
for choosing a GMC Truck product. We value you as a member of
the GMC Truck family. We want to assure you of our continuing interest in
your pleasure and satisfaction with your vehicle.
GMC Truck Division
General
Motors Corporation
Pontiac, Michigan
@Copyright 7992 General Motors Corporation, GMC Truck Division.
All Rights Reserved
Second Edition Printed in
USA
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Important Notes to Owners and Drivers
. . . .About This Manual: Please keep this manual in your vehicle, so it
will be there
if you ever need it when you’re on the road. If you sell the
vehicle, please leave this manual in it
so the new owner can use it.
This manual includes the latest information at the time it was printed. We
reserve the right to make changes in the product after that t\
ime without
further notice. For vehicles first
sold in Canada, substitute the name “General
Motors
of Canada Limited” For GMC Truck Division whenever it appears in
this manual.
. . . .For Canadian Owners Who Prefer a French Language Manual:
Aux proprietaires canadiens: Vous pouvez vous procurer un exemplaire de ce
guide en francais chez votre concessionaire ou au DGN Marketing\
Services Ltd.,
1500 Bonhill Rd., Mississauga, Ontario L5T 1C7.
GENERAL MOTORS, GM, the GM Emblem, GMC and SlERRA are registered
trademarks
of General Motors Corporation.
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TABLE OF CONT€NTS
How to Use this Manual 1
Seat3 Safety Belts
Features A Control:
Comfort Contmls & Audio Systems
Your Driving and the Road
I
Service dl Appearance
$6 -ustomer Assistance lnformation
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Section
0
This section tells you how to use your manual and includes
safety and vehicle damage warnings and symbols.
I
This section tells you how to use your seats and safety belts
properly.
2
This section explains how to start and operate your vehicle.
3
This section tells you how to adjust the ventilation and comfort
controls and how to operate your audio system.
4
Here you’ll find helpful information and tips about the road and
how to drive under different conditions.
5
This section tells you what to do if you have a problem while
driving, such as
a flat tire or engine overheating.
Here the manual tells you how to keep your vehicle running
properly and looking good.
7
This section tells you when to perform vehicle maintenance and
what fluids and lubricants to use.
8
This section tells you how to contact your GM division for
assistance and
how to get service publications. It also gives
vou information on “Reportina Safetv Defects”.
Here’s an alphabetical listing of alr..,st every subject in this
manual. You can use
it to quickly find something you want to
m read. -
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How To Use This Manual
A
Many people read their owner’s manual from beginning to end when they first
receive their new vehicle. This will help you learn about the features and
controls for your vehicle. In this manual, you’ll find that pictures and words
work together
to explain things quickly.
INDEX: A good place to look for what you need is the Index in back of the
manual.
It’s an alphabetical list of all that’s in the manual, and the page
number where you’ll find
it.
SECTIONS 1-6: Each section of this manual begins with a brief list of its
contents,
so you can often find at a glance if a section contains the
information you want.
SECTION 7:. This section covers the maintenance required for your vehicle.
SECTION 8: CUSTOMER ASSISTANCE. This section includes important
information about reporting safety defects and gives you details\
about the Roadside Assistance Program. You will also find customer satisfaction phone
numbers (including customer satisfaction numbers for the hearing\
and speech
impaired) as well as the mediation/arbitration procedure. We’ve also included
ordering information for service publications in this section.
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LOCK: This position locks your ignition, steering wheel and transmissi\
on. It’s
a theft deterrent feature.
You will only be able to remove your key when the
ignition is turned
to LOCK.
Off: This position lets you turn off the engine but still turn the steering wheel.
Use Off
if you must have your vehicle in motion while the engine is off (for
example,
if your vehicle is being pushed).
Run: This is the position for driving.
Start: This starts your engine.
A On manual transmission vehicles, turning the key to LOCK will lock I
A the steering column and result in a loss of ability to steer the
vehicle. This could cause a collision.
If you need to turn the engine
off while the vehicle is moving, turn the key only to OFF. Don’t move
the key release lever while the vehicle is moving.
-
f your key seems stuck in LOCK and you can’t turn it, be sure it is all
:he way in.
If it is, then turn the steering wheel left and right while you
:urn the key hard. But turn the key only with your hand. Usi\
ng a tool to
‘orce
it could break the key or the ignition switch. If none of this works,
:hen your vehicle needs service.
NOTICT
I
Key Release Levc-
KO495
The ignition key cannot be removed from the ignition of manual transmission
vehicles unless the key release lever is used.
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. If the light. doesn’t go off, wait a few seconds, then try staiting your engine
again. And, see your dealer
as soon as you- can for a starting system check.
If the light comes on and then goes out and you know your batte\
ries are
charged, but your engine still won’t start, your vehicle nee\
ds service.
If your batteries don’t have enough .charge to start ,your engine, see “Battery”
in the Index.
Be sure you have the right oil for your engine, and that you’ve changed the
oil
at the proper times. If you use the wrong oil, your engine may be harder
to start.
If the engine starts, runs a short time, then stops, your vehicle needs service.
NOTICE
Don’t use starting “aids” such as ether or gasoline, in the m~v intakc They
could damage your engine.
..- - .- * K2214
In very cold weather, 0°F (-18°C) or colder, if you have an engine block
heater, it can help. You’ll get easier starting and better fuel economy during
engine warm-up.
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Features & Controls
that the pedal is harder to push. Or, the pedal may go closer to the floor.\
It
may take longer to stop. If the light is still on, have the vehicle towed for
service. (See “Towing Your Vehicle” in the Index.)
CAUTION
* Your brake system may not be working properly if the brake warning
light is on. Driving with the brake warning light on can lead\
to an
accident.
If the light is still on after you’ve pulled off the road and
stopped carefully, have
+hq vehicle towed for service.
“WATER IN FUEL” Light
WATER
IN
FUEL I
-l PB010
This light will come on to warn you if there is too much water in the diesel
fuel system. For more information on how this light works, see\
“Diesel Fuel
Requirements and Fuel System” in the Index.
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