check engine CHEVROLET EXPRESS 1998 1.G Owners Manual

Downloaded from www.Manualslib.com manuals search engine Long Trip/Highway Maintenance Schedule -- Gasoline Engines
90,000 Miles (150 000 km) (Continued)
0 Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood
insulation for damage
or looseness. Adjust or replace as required. This is a
Noise Emission Control Service. Applicable only to vehicles sold in the
United States.
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
97,500 Miles (162 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check axle fluid level and add fluid as needed. (See footnote **.)
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
An Emission Control Service.
(See footnote #.)
100,000 Miles (166 000 km)
0 Inspect spark plug wires.
An Emission Control Service.
17 Replace spark plugs.
An Emission Control Service.
DATE I
+
MILEAGE ACTUAL SERVICED BY:
I DATE I
MILEAGE
7-36

Downloaded from www.Manualslib.com manuals search engine Part B: Ownc Tlhecks and Scvices
Listed below are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance
of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part
D.
At the First 100, 1,000 and 6,000 Miles
(160,1600 and
10 000 km)
For vehicles with dual wheels, check dual wheel nut
torque.
For proper torque, see “Wheel Nut Torque” in
the Index.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL@
coolant mixture if necessary. See “Engine Coolant” in
the Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid
if
necessary. See “Windshield Washer Fluid” in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures. See
“Tires” in the Index for further details.
At Each Fuel Fill
It is important for you or n service station attendant to
pet$orm these underhood checks at each fitel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See “Engine Oil”
in the Index for
further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See “Audio Systems” in the
Index for further details.
7-38

Downloaded from www.Manualslib.com manuals search engine . .- . ,east Twice a Year Automatic Transmission Check
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look for any other loose or damaged
safety belt system parts. If you see anything that might
keep a safety belt system from doing its
job, have it
repaired. Have any torn or frayed safety belts replaced.
Also look for any opened or broken air bag coverings,
and have them repaired or replaced. (The air bag system
does
not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace blade
inserts that appear worn or damaged or that streak or
miss areas of the windshield. Also see “Wiper Blades,
Cleaning” in
the Index. Check the
transmission fluid level; add if needed. See
“Automatic Transmission” in the Index. A fluid
loss may indicate a problem. Check the system and
repair if needed.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part
D.
Body Lubrication Service
Lubricate all hood hinges, hood prop rod pivot, fuel
filler door, rear compartment hinges, latches, locks and
any moving seat hardware. Part
D tells you what to use.
More frequent lubrication may be required when
exposed to a corrosive environment.

Downloaded from www.Manualslib.com manuals search engine Starter Switch Check Brake-Transmission Shift Interlock (BTSI) Check
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow the steps below.
1. Before you start, be sure you have enough room
2. Firmly apply both the parking brake (see “Parking
around the vehicle.
Brake” in the Index if necessary) and the
regular brake.
NOTE: Do not use the accelerator pedal, and be
ready to turn off the engine immediately if
it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or
NEUTRAL (N).
If the starter works in any other position, your
vehicle needs service.
When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be injured. Follow the steps below.
1 I
1. Before you start, be sure you have enough
room around the vehicle. It should be parked
on
a level surface.
2. Firmly apply the parking brake (see “Parking Brake”
in the Index if necessary).
NOTE: Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off, turn the key to the RUN
position, but don’t start the engine. Without applying
the regular brake, try
to move the shift lever out of
PARK (P) with normal effort. If the shift lever
moves out
of PARK (P), your vehicle’s BTSI
needs service.
7-40

Downloaded from www.Manualslib.com manuals search engine Ignition Transmission Lock Check While parked, and with the parking brake
set, try to turn
the ignition key
to LOCK in each shift lever position,
0 The key should turn to LOCK only when the shift
lever
is in PARK (P).
The key should come out only in LOCK.
Parking Brake and Automatic Transmission
PARK (P) MerhslnicTn Vhmk
1 A CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there
is room in front of your vehicle in case
it begins to roll. Be ready to apply the regular
brake at once should the vehicle begin to move. Park
on a
fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
0 To check the parking brake’s holding ability: With
the engine running and transmission in
NEUTRAL
(N), slowly remove foot pressure from
the regular brake pedal.
Do this until the vehicle is
held by
the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift
to PARK (P). Then
release all brakes.
Underbody Flushing Service At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
7-4 1
__

Downloaded from www.Manualslib.com manuals search engine Throttle System Inspection
Inspect the throttle system for interference or binding,
and for damaged or missing parts. Replace parts
as
needed. Replace any components that have high effort
or excessive wear.
Do not lubricate accelerator and
cruise control cables.
Rear Axle Service
Check the gear lubricant level in the rear axle and add if
needed. See “Rear Axle” in the Index. A fluid loss may
indicate a problem. Check the axle and repair it if needed.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
chafing, etc. Inspect disc brake pads for wear and rotors
for surface condition. Also inspect drum brake linings
for wear and cracks. Inspect other brake parts, including
drums, wheel cylinders, calipers, parking brake, etc.
Check parking brake adjustment.
You may need to have
your brakes inspected more often if your driving habits
or conditions result
in frequent braking.

Downloaded from www.Manualslib.com manuals search engine Part E: Maintenance Record
After the scheduled services are performed, record the
date, odometer reading and who performed the service
in the boxes provided after the maintenance interval. Any additional information
from “Owner Checks and
Services” or “Periodic Maintenance” can
be added on
the following record pages. Also, you should retain
all
maintenance receipts. Your owner information portfolio
is a convenient place to store them.
ODOMETER
I DATE I READING
Maintenance Record
SERVICED BY MAINTENANCE PERFORMED

Downloaded from www.Manualslib.com manuals search engine 1998 CHEVROLET SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with
your check, money order,
or credit card information to Helm, Incorporated (address below.)
CURRENT PUBLICATIONS FOR 1998 CHEVROLET
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes,
electrical, steering, body, etc. RETAIL SELL PRICE:
$90.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE UNIT REPAIR MANUAL
This manual provides information on unit repair service procedures, adjustments and specifications for the 1998 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE:
$40.00
SERVICE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated
PO. Box 07130 Detroit, MI 48207
OWNER’S INFORMATION
Owner publications are written directly for Owners and intended to provide basic operational information about the
vehicle. The owner’s manual will include the Maintenance
Schedule for all models.
In-Portfolio: Includes
a Portfolio, Owner’s Manual and
Warranty Booklet.
RETAIL SELL PRICE: $1 5.00
Without Portfolio: Owner’s Manual only. RETAIL SELL PRICE: $10.00
CURRENT
& PAST MODEL ORDER FORMS
Service Publications are available for current and past
model GM vehicles. To request an order form, please
specify year and model name
of the vehicle.
OR ORDER TOLL FREE:
1-800-782-4356
Monday-Friday 8:OO AM - 6:OO PM Eastern Time
For Credit Card Orders Only (VISA-MasterCard-Disr)

Downloaded from www.Manualslib.com manuals search engine ORDER TOLL FREE (NOTE: For Credit Card Holders Only)
Orders will be mailed within 10 days of receipt. Please allow ade uate time for postal
information within
30 days of delivery. On returns, a re-stocking fee may be applied (Monday-Friday 8:OO AM - 6:OO PM EST)
service. If further information is needed, write to the address s gh own below or call
1-800-782-4356 1-800-782-4356. Material cannot be returned for credit without p\
acking slip with return
FAX Orders Only 1-31 3-865-5927 against the original order.
PUBLICATION FORM
ITEM DESCRIPTION VEHICLE MODEL
PRICE
NAME
I YEAR
NUMBER TOTAL
EACH* QTYm PRICE
I- I
9
9
8
G
Service Manual
Car
& Light Truck $90.00
1998
Transmission Unit Repair 1998 $40.00
Owner's Manual In Portfolio
Owner's Manual Without Portfolio $1 5.00 1998
$1 0.00 1998
M
S
H
I
P
T
0
NOTE: Dealers
and Companies please provide dealer or company name, and also the
name of the person to whose attention the shipment should be sent.
Mail completed order form to:
For purchases outside USA. please write to the above address for quotation.
HELM, INCORPORATED
P.O. Box 07130 Detroit, MI 48207
(CUSTOMER'S NAME)
(ATTENTION)
(STREET ADDRESS-NO
P.O. BOX NUMBERS)
~
(CITY) (STATE) (ZIP CODE)
DAYTIME TELEPHONE
NO.
GM-CHE-ORD98 "(Prices are subject to change without notice and without incurring
obligation. Allow ample time for delivery.)
P
A
Y
M
E
N
T
-
i
Note to Canadian Customers: All listed prices are quoted in US. funds. Canadian residents
are to make checks payable in U.S. funds. To cover Canadian postage, add $11.50 plus the
U.S. order processing.
TOTAL MATERIAL
Order payable to Michigan Purchasers
Helm, Inc. (USA funds add 6% sales tax only - do not send cash.) U.S. Order Processing
Mastercard
VISA . GRAND TOTAL
u Discover I' I I
I
Account Number: uIn uIn uIn I
Expiration ml
Check here if your billing address
Date mo/yr: is different from your shipping
address shown.
CUSTOMER SIGNATURE

Downloaded from www.Manualslib.com manuals search engine Section 9 Index
Air Bag .......................
Adding Equipment .............
How Does it Restrain ...........
How it Works .................
Location .....................
Readiness Light ...............
Servicing ....................
What Makes it Inflate ...........
What Will You See After it Inflates
When Should it Inflate
..........
Aircleaner .....................
Air Conditioning ................
Air Conditioning Refrigerants ......
Alignment and Balance. Tire .......
Aluminum Wheels. Cleaning .......
Antenna. Power .................
Antifreeze ......................
Anti-Lock Brake System Warning Light
.....
Brakes ......................
Appearance Care ................
Appearance Care Materials ........
Arbitration Program ..............
Ashtrays .......................
Audio Systems ..................
............... 1-26
............... 1-33
............... 1-31
............... 1-29
............... 1-29
.......... 1.28. 2.54
............... 1-32
............... 1-30
............... 1-31
............... 1-30
............... 6-16
................ 3-6
............... 6-70
............... 6-48
............... 6-56
............... 3-27
............... 6-21
........... 2.57. 4.7
................ 4-7
............... 6-51
............... 6-59
................ 8-9
............... 2-48
................ 3-7 Automatic
Transmission Check
........................... 7-39
Transmission Fluid
............................ 6-17
Transmission Operation
........................ 2-21
Shifting
..................................... 2-21
Transmission Park Mechanism Check
............. 7-41
LockingRear
................................ 2-30
Rear
....................................... 6-21
Axle
Battery
...................................... 6-31
Jump Starting
................................. 5-3
Replacement. Remote Keyless Entry
............... 2-8
Warnings .................................... 5-3
BBB Auto Line
................................. 8-9
Before Leaving on a Long Trip
.................... 4-20
Better Business Bureau Mediation
................... 8-9
Blizzard ...................................... 4-25
Brake Adjustment
.................................. 6-31
Fluid
....................................... 6-27
Master Cylinder
.............................. 6-27
Parking
..................................... 2-24
PedalTravel
................................. 6-30
Replacing System Parts
........................ 6-31
9-1