Long Trip/Highway Scheduled Maintenance
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7-38
90,000 Miles (150 000 km) (Continued)
Replace fuel filter.
An Emission Control Service. (See footnote.)
Replace air cleaner filter.
An Emission Control Service.
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
97,500 Miles (162 500 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)ACTUAL
SERVICED BY:MILEAGE
DATE
Long Trip/Highway Scheduled Maintenance
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7-39
100,000 Miles (166 000 km)
Inspect spark plug wires.
An Emission Control Service.
Replace spark plugs.
An Emission Control Service.
If you haven't used your vehicle under severe service conditions listed
previously and, therefore, haven't changed your automatic transmission fluid,
change both the fluid and filter. Manual transmission fluid doesn't
require change.
Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)
Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
the cooling system and pressure cap.
An Emission Control Service.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
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7-50
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 ªOwner Checks andServicesº or ªPeriodic Maintenanceº 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.
Maintenance Record
DATEODOMETER
READINGSERVICED BYMAINTENANCE PERFORMED
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8-12
CURRENT PUBLICATIONS FOR 1999 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
1999 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE: $50.00
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.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: $15.00
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.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated P.O. Box 07130 Detroit, MI 48207OR ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM ± 6:00 PM Eastern Time
For Credit Card Orders Only (VISA±MasterCard±Discover)
1999 GMC 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.)
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9-7
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Check 7-43 . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-42 . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Door Security 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss of Control 4-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Fuel Light 2-86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-42 . . . . . . . . . . . . . . . . . . . . . . . .
Luggage Carrier 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar Controls 1-3, 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Record 7-50 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Schedule 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway 7-6, 7-28 . . . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-40 . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-45 . . . . . . . . . . . . . . . .
Recommended Fluids and Lubricants 7-47 . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . .
Short Trip/City 7-5, 7-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Underbody 6-56 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-55 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-81 . . . . . . . . . . . . . . . . . . . . . .
Manual Front Seat 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Lumbar Support 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Transmission
Check 7
-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shifting 2
-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your Engine 2-19 . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Seat 1-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Methanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirrors 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Rearview 2-53 . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Visor Vanity 2-66 . . . . . . . . . . . . . . . . . . . . . . .
Inside Day/Night Rearview 2-52 . . . . . . . . . . . . . . . . . . . . .
Outside 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Reference iii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mountain Roads 4
-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multifunction Lever 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net, Convenience 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Neutral, Automatic Transmission 2-23 . . . . . . . . . . . . . . . . . .
Neutral, Manual Transmission 2-25 . . . . . . . . . . . . . . . . . . . . .
New Vehicle ªBreak-Inº 2-16 . . . . . . . . . . . . . . . . . . . . . . . . .
Night Vision 4-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Maintenance Replacement Parts 6-66 . . . . . . . . . . . . .
Odometer 2-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Driving with Your Four-Wheel-Drive
Vehicle 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Recovery 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil, Engine 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opener, Garage Door 2-56, 2-68 . . . . . . . . . . . . . . . . . . . . . . .
Operating Your Vehicle Off Paved Roads 4-14 . . . . . . . . . . . .
Ordering Owner and Service Publications 8-12, 8-13 . . . . . . .
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9-9
Seat Passengers 1-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seats 1-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Window Defogger 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Window Washer/Wiper 2-45 . . . . . . . . . . . . . . . . . . . . . . . .
Rear Seats 1-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rearview Mirror 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reclining Front Seatbacks 1-6 . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Fluids and Lubricants 7-47 . . . . . . . . . . . . . . .
Recovery Hooks 5-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovery Tank, Coolant 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . .
Recreational Vehicle Towing 4-40 . . . . . . . . . . . . . . . . . . . . . .
Replacement
Bulbs 6
-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 6-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reporting Safety Defects 8-10 . . . . . . . . . . . . . . . . . . . . . . . . .
Restraints
Check 7
-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 1-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Child 1-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head 1-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Parts After a Crash 1-57 . . . . . . . . . . . . . . . . . . .
Retained Accessory Power 2-19 . . . . . . . . . . . . . . . . . . . . . . . .
Reverse, Automatic Transmission 2-22 . . . . . . . . . . . . . . . . . .
Reverse, Manual Transmission 2-25 . . . . . . . . . . . . . . . . . . . .
Right Front Passenger Position 1-24 . . . . . . . . . . . . . . . . . . . .
Roadside Assistance 8-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roadside Assistance, Canadian 8-8 . . . . . . . . . . . . . . . . . . . . .
Rocking Your Vehicle 5-33 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rotation, Tires 6-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belts 1-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adults 1-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Care 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center Front Passenger Position 1-30 . . . . . . . . . . . . . . . . .
Center Rear Passenger Position 1-38 . . . . . . . . . . . . . . . . . .
Children 1-39, 1-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Position 1-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extender 1-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Wear Properly 1-16 . . . . . . . . . . . . . . . . . . . . . . . . .
Lap Belt 1-30, 1-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lap-Shoulder 1-16, 1-32 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Questions and Answers 1-15 . . . . . . . . . . . . . . . . . . . . . . . .
Rear Comfort Guides 1-35 . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Seat Passengers 1-32 . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing After a Crash 1-57 . . . . . . . . . . . . . . . . . . . . . . . .
Right Front Passenger Position 1-24 . . . . . . . . . . . . . . . . . .
Use During Pregnancy 1-23 . . . . . . . . . . . . . . . . . . . . . . . . .
Why They Work 1-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Defects, Reporting 8-10 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Warnings and Symbols iii. . . . . . . . . . . . . . . . . . . . . . .
Scheduled Maintenance Services 7
-4 . . . . . . . . . . . . . . . . . . . .
Seatback
Latches 1
-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reclining Front 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seats 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seats and Restraint Systems 1-1 . . . . . . . . . . . . . . . . . . . . . . . .
Second Gear, Automatic Transmission 2-23 . . . . . . . . . . . . . .
Second Gear, Manual Transmission 2-25 . . . . . . . . . . . . . . . . .
Security Warning Light 2-84 . . . . . . . . . . . . . . . . . . . . . . . . . .