1998 GMC SAVANA check 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.
The key should turn to LOCK only when the shift
lever is in
PARK (P).
0 The key should come out only in LOCK.
Parking Brake and Automatic Transmission
PARK (P) Mechanism Check
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.
0 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.
7-41
ProCarManuals.com

1998 GMC SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling 01
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 GMC
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 RO. Box 07130 Detroit, MI 48207
OWNER’S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about th
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:
$1 0.00
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-Discover)
ProCarManuals.com

Engine ....................................... 6-10
Coolant ..................................... 6-21
Coolant Level Check
.......................... 7-38
Cooling System
.............................. 5-14
Exhaust
...................... 2.29.2.30.2.33. 4.26
FuseBlock
.................................. 6-65
Identification
........................... 6.60. 6.67
OilLevelCheck
.............................. 7-38
Overheating
................................. 5-11
Running While Parked
......................... 2-30
Starting Your
................................ 2- 18
Engine Coolant Heater ........................... 2-20
Engineoil
.................................... 6-12
Adding
..................................... 6-13
Additives
................................... 6-15
Checking
................................... 6-13
Pressure Gage ................................ 2-60
Used ....................................... 6-16
Whentochange
.............................. 6-15
Exhaust, Engine
................. 2-29,2-30.2-33, 4-26
Exterior Lamps
................................. 2-40
Coolant Temperature
Gage
..................... 2-57
Engine Oil (Continued)
Fabric Cleaning
............................... 6-52
Filling
a Portable Fuel Container .................... 6-7
Filling Your Tank
................................ 6-5
Filter. Air ..................................... 6-16
Finish Care
.................................... 6-55
Finish Damage
................................. 6-57 First Gear. Automatic Transmission
................ 2-23
Flashers. Hazard Warning
......................... 5-2
Flat Tire. Changing
............................. 5-22
Fluids and Lubricants
............................ 7-44
Foreign Countries. Fuel
........................... 6-5
French Language Manual 11
Front Parkingmurn Signal Lamp Bulb Replacement .... 6-35
Front Storage Area
.............................. 2-48
FrontTowing
.................................. 5-10
Fuel
.......................................... 6-3
Canada
...................................... 6-3
Filling
a Portable Container ...................... 6-7
Gage
....................................... 2-63
In Foreign Countries ........................... 6-5
Tank Capacity
............................... 6-69
Fuses and Circuit Breakers
....................... 6-61
.. ...........................
Filling Your Tank .............................. 6-5
Gages Engine Coolant Temperature
.................... 2-57
Engine Oil Pressure
........................... 2-60
Fuel
....................................... 2-63
Speedometer
................................. 2-52
Voltmeter
................................... 2-55
Gear Positions. Automatic Transmission
............. 2-21
Gross Axle Weight Rating
........................ 4-27
Gross Vehicle Weight Rating
...................... 4-27
Guide en Franpis
11
GAWR ....................................... 4-27
.. .................................
GVWR ....................................... 4-27
9-4
ProCarManuals.com

Halogen Bulbs ................................ 6-32
Hazard Warning Flashers
.......................... 5-2
Head Restraints
................................. 1-5
Headlamps
.................................... 2-40
Bulb Replacement
............................ 6-33
HighLow Beam Changer
...................... 2-35
OnReminder
................................ 2-41
Wiring
..................................... 6-61
Hearing Impaired. Customer Assistance
.............. 8-4
Heater Controls
................................. 3-2
Heater/Air Conditioning Controls
................... 3-3
High-Beam Headlamps
.......................... 2-35
Highway Hypnosis
.............................. 4-21
Hill and Mountain Roads
......................... 4-21
Hitches. Trailer
................................. 4-32
Hood Checking Things Under
......................... 6-8
Release ...................................... 6-8
Horn ......................................... 2-33
Hydroplaning
.................................. 4-17
Heating
........................................ 3-6
Prop
........................................ 6-9
Ignition Switch ................................ 2- 17
Inflation. Tire
.................................. 6-42
Inside Daymight Rearview Mirror
................. 2-45
Inspections
.................................... 7-42
Brakesystem
................................ 7-43
Engine Cooling System
........................ 7-42
Exhaust Systems
............................. 7-42
Ignition Transmission Lock
Check
................. 7-41 RearAxle
................................... 7-43
Steering
.................................... 7-42
Suspension
.................................. 7-42
Throttle System
.............................. 7-43
Instrument Cluster
.............................. 2-51
Instrument Panel
............................... 2-50
Brightness Control
............................ 2-40
Cleaning
.................................... 6-53
FuseBlock
.................................. 6-62
Interior Lamps
................................. 2-43
Jack. Tire
.................................... 5-23
Jump Starting
................................... 5-3
Keyless Entry System
........................... 2-6
Keys
.......................................... 2-2
Labels Certification
................................. 4-27
Certificatioflire
............................. 4-27
Service Parts Identification
..................... 6-60
Tire-Loading Information
...................... 4-27
Vehicle Identification Number
................... 6-60
Dome
...................................... 2-43
Exterior
.................................... 2-40
Interior
..................................... 2-43
OnReminder
................................ 2-41
Panel
....................................... 2-40
Underhood
.................................. 2-44
Lamps
9-5
ProCarManuals.com

. -~ ....... -
eaving.Yaur Vehicle with the Engine Running ....... 2-27
ighter
, ...................................... 2-48
ights
I
.
Air Bag Readiness ....................... 1-28. 2-54
Brake System Warning
......................... 2-56
Charging System
............................. 2-54
Check Gages
................................ 2-62
Daytime Running
Lamps Indicator ............... 2-62
Exterior
.................................... 2-40
Interior
..................................... 2-43
Safety Belt Reminder
..................... 1-12. 2-53
Se~~rity 2-61
oadiflg
YOLU Vehicle ........................... 4-27
Anti-Lock Brake System Warning
............ 2-57. 4-7
....................................
.......................... Service Engine Soon 2-58
Locks
......................................... 2-4
Door
........................................ 2-4
Ignition
Transmission Check .................... 7-41 .... .. II . . .:. . i ... ...
..... ................... Power Door * .............. 2-5
Rear Door Security
.. I ..... , ................... 2-5
Sliding
Door Child Security ................. , .. , . 2-6
.. ossofContro1 ..................,............. 4-12
ubricants and Fluids
........................... , 7-44
uhication Service, Body
................... , .... 7-39
'~ .. . .... . _ . ..
Maintenance. NOI-ITMI Replacement parts ........... 6-69
Maintenance Record
............................ 7-46
Maintenance Schedule
............................ 7-1
Long TripMLighway
........................... 7-27
Long Tripmighway Definition
................... 7-6
Long Trip/Highway Intervals
..................... 7-7
Owner Checks and Services ..................... 7-38
Periodic Maintenance Inspections
................ 7-42
Recommended Fluids and Lubricants
............. 7-44
Scheduled Maintenance Services .................. 7-4
Short TripKity
................................ 7-8
Short Trip/City Definition ....................... 7-5
Short TripKity Intervals
........................ 7-5
Maintenance. Underbody
......................... 6-58
Maintenance When Trailer Towing
................. 4-36
Malfunction Indicator Lamp
...................... 2-58
ManualFrontSeat
............................... 1-2
Mirrors ....................................... 2-45
Camper-Type
................................ 2-47
Convex Outside
.............................. 2-46
Inside Daymight Rearview
..................... 2-45
Power Remote Control
......................... 2-45
Visor Vanity
................................. 2-49
MMT ......................................... 6-4
Model Reference
................................. vi
Mountain Roads ................................ 4-21
Multifunction Lever
............................. 2-34
Neutral. Automatic Transmission
................. 2-22
New Vehicle Break-Ii.1 ........................... 2-17
Nightvision
................................... 4-14
Noise Control System
........................... 6-1.1
Normal Maintenance Replacement Parts ............. 6-69
Odometer
.................................... 2-52
Odometer. Trip
................................. 2-52
9-6
ProCarManuals.com

OH-Road Recovery ............................. 4- 1 1
Oil. Engine .................................... 6-12
Overheating Engine
............................. 5- 1 1
Owner Checks and Services ....................... 7-38
Owner Publications. Ordering
................ 8- 1 1. 8- I2
Paint Spotting. Chemical
........................ 6-58
Park
Automatic Transmission
....................... 2-21
Shifting Into
................................. 2-25
Shifting Out of
............................... 2-28
AtNight
.................................... 2-15
Brake
...................................... 2-24
Brake Mechanism Check
....................... 7-41
Over Things That Burn
........................ 2-29
With
a Trailer ................................ 4-36
Passenger Position
.............................. 1-26
Passing
.................................. 4-11
Passlock
..................................... 2-16
Periodic Maintenance Inspections
.................. 7-42
Power Antenna Mast Care
............................ 3-27
DoorLocks
................................... 2-5
Remote Control Mirror
........................ 2-45
Seat
......................................... 1-3
Steering
..................................... 4-8
Steering Fluid
................................ 6-25
Windows
................................... 2-31
Pregnancy. Use of Safety Belts
.................... 1-25
Parking
Lots
....................................... 2-16 Problems
on the Road
............................ 5-1
Publications. Service and Owner .............. 8- 1 1. 8- 12
Radiator
..................................... 5-18
Radiator Pressure Cap
........................... 6-24
Radio Reception
................................ 3-23
Radios
.......................... 3.7.3.9.3.11. 3.16
Rain. Driving In
................................ 4-15
Reading Lamps
................................ 2-43
Rear
Axle
....................................... 6-21
Door Security Locks
........................... 2-5
Outside Seat Position
.......................... 1-34
Towing
..................................... 5-11
Rear Air Conditioning and Rear Heater
............... 3-5
Rear Heater Controls (without Air Conditioning)
....... 3-4
Rear Passenger Temperature Control
................. 3-5
Rear Safety Belt Comfort Guides .................. 1-37
Rearview Mirror
................................ 2-45
Reclining Front Seatbacks
......................... 1-3
Recommended
Fluids and Lubricants ............... 7-44
Recovery Tank. Coolant
.......................... 5-16
Refrigerants. Air Conditioning
.................... 6-70
Remote Compact Disc Player
..................... 3-20
Replacement SeatPassengers
.............................. 1-34
Bulbs
...................................... 6-66
Parts
....................................... 6-69
Wheel
...................................... 6-49
Replacing Safety Belts
........................... 1-62
Reporting Safety Defects .................... 8- 10. 8-11
9-7
. ~ ...
ProCarManuals.com

Restraints Checking
................................... 1-61
Child ....................................... 1-46
Head
........................................ 1-5
Replacing Parts After a Crash
................... 1-62
System Check
................................ 7-39
Reverse, Automatic Transmission
.................. 2-22
Right Front Passenger Position
.................... 1-26
Roadside Assistance
.............................. 8-5
Roadside Assistance. Canadian
..................... 8-7
Rocking Your Vehicle
........................... 5-36
Rotation, Tires
................................. 6-43
Safety Belt Extender
............................ 1-61
Safety Belts
................................... 1 . 1 I
Adults ...................................... 1-17
Care
....................................... 6-54
Center Passenger Position
...................... 1-39
Center Rear Passenger Position
.................. 1-39
Children
.................................... 1-41
Driver Position
............................... 1 . 17
Extender
.................................... 1-61
How
to Wear Properly ......................... 1 - 17
Incorrect Usage
.................... 1-20, 1-59, 1-60
LapBelt
.................................... 1-40
Lap-Shoulder
........................... 1-17, 1-34
Larger Children
.............................. 1-58
Questions and Answers
........................ 1 - 16
Rear Seat Passengers
.......................... 1-33
Passenger
Position
............................ 1-26
Rear Seat Outside Passenger Positions
............ 1-34 Reminder
Light
......................... I . 12. 2.53
Replacing After a Crash ........................ 1-62
Right Front Passenger Position
.................. 1-26
Shoulder Belt Height Adjuster
................... 1 . 19
Smaller Children and Babies
............... 1.41. 1-44
Use During Pregnancy
......................... 1-25
WhyTheyWork
.............................. 1-13
Safety Chains .................................. 4-33
Safety Defects. Reporting ................... 8- 10. 8- 11
Safety Warnings and Symbols ....................... 111
Scheduled Maintenance Services .................... 7-4
Seatback Reclining ............................... 1-3
Seats ManualFront
................................. 1-2
Power
....................................... 1-3
Rear
........................................ 1-5
Removing Rear
............................... 1-6
Replacing Rear
................................ 1-9
Restraint Systems
.............................. 1-1
Seatcontrols ................................. 1-2
Securing
a Child Restraint ............ 1-52. 1-54. 1-55
Second Gear. Automatic Transmission
.............. 2-23
Security Light
.................................. 2-61
Service
........................................ 6-2
Bulletins. Ordering
....................... 8-1 1. 8-12
Key Lock Cylinder
............................ 7-39
Parts Identification Label
....................... 6-60
Publications. Ordering
.................... 8- 11. 8- 12
Work. Doing Your Own
......................... 6-2
...
Engine Soon Light ............................ 2-58
Manuals. Ordering
....................... 8- 1 1. 8- 12
9-8
ProCarManuals.com

Service and Appearance Care ...................... 6-1
Service and Owner Publications
.............. 8- 1 1. 8. 12
Service Publications
........................ 8- 1 1. 8. 12
Servicing Your
Air Bag-Equipped Vehicle ........... 1-32
Sheet Metal Damage
............................ 6-57
ShiftLever
............................... 2.21. 2.25
Shifting
Automatic Transmission
....................... 2-2 1
Into . Park (P) ................................. 2-25
OutofPark
.................................. 2-28
Sidemarker Lamp Bulb Replacement
............... 6-36
SignalingTurns
................................ 2-35
Skidding
...................................... 4-13
Specifications and Capacities
...................... 6-67
Speech Impaired. Customer Assistance
............... 8-4
Speedometer
................................... 2-52
Stains. Cleaning
................................ 6-52
Starter Switch Check
............................ 7-40
Starting Your Engine
............................ 2- 18
Steam ........................................ 5-12
Steering
....................................... 4-8
In Emergencies
............................... 4- 10
Power ....................................... 4-8
Speedsensitive
............................... 4-9
Tips
......................................... 4-9
Wheel. Tilt
.................................. 2-34
StorageAreas
.................................. 2-48
Storage. Vehicle
................................ 6-3 1
Stuck: In Sand. Mud. Ice or Snow .................. 5-36
Sunvisors
.................................... 2-49
Symbols. Vehicle
.................................. v
Shoulder Belt Height Adjuster ..................... 1 . 19 Taillamp
Bulb Replacement
...................... 6-37
TapePlayerCare
............................... 3-25
Temperature Control. Rear Passenger
................ 3-5
Theft
......................................... 2-15
Theft-Deterrent Feature
.......................... 3-21
Thermostat
.................................... 6-25
Third Gear. Automatic Transmission
................ 2-23
Tilt Steering Wheel
............................. 2-34
Time. Setting the
................................ 3-7
Tire Chains
.................................... 6-50
TireLoading ................................... 4-27
Tire-Loading Information Label
................... 4-27
Tires
......................................... 6-41
Alignment and Balance
........................ 6-48
BuymgNew
................................. 6-46
Chains
..................................... 6-50
Changing
a Flat .............................. 5-22
Cleaning
.................................... 6-57
Dual Operation
............................... 6-45
Inflation
.................................... 6-42
Inflation Check
............................... 7-38
Inspection and Rotation
........................ 6-43
Loading
.................................... 4-27
Pressure
.................................... 6-42
Temperature
................................. 6-48
Traction
.................................... 6-48
Treadwear
................................... 6-47
Uniform Quality Grading
....................... 6-47
Wear Indicators
.............................. 6-45
Wheel Replacement
........................... 6-49
When It’s Time for New
....................... 6-45
TopStrap ..................................... 1-51
9-9
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