1999 PONTIAC GRAND PRIX air suspension

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7-18
Part C: Periodic Maintenance
Inspections
Listed in this part are inspections and services which
should be performed at least twice a year (for instance,
each spring and fall). You should let your dealer's
service department or other qualified service center do
these jobs. Make sure any necessary repairs are
completed at once.
Proper procedures to perform these services may be
found in a service manual. See ªService and Owner
Publicationsº in the Index.
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection
Inspect the front and rear suspension and steering
system for damaged, loose or missing parts, signs of
wear or lack of lubrication. Inspect the power steering
lines and hoses for proper hook
-up, binding, leaks,
cracks, chafing, etc. Clean and then inspect the drive
axle boot seals for damage, tears or leakage. Replace
seals if necessary.
Exhaust System Inspection
Inspect the complete exhaust system. Inspect the body
near the exhaust system. Look for broken, damaged,
missing or out
-of-position parts as well as open seams,
holes, loose connections or other conditions which could
cause a heat build
-up in the floor pan or could let
exhaust fumes into the vehicle. See ªEngine Exhaustº in
the Index.
Engine Cooling System Inspection
Inspect the hoses and have them replaced if they are
cracked, swollen or deteriorated. Inspect all pipes,
fittings and clamps; replace as needed. Clean the outside
of the radiator and air conditioning condenser. To help
ensure proper operation, a pressure test of the cooling
system and pressure cap is recommended at least once
a year.

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8-14
CURRENT PUBLICATIONS FOR 1999 PONTIAC
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 PONTIAC 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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9-6
Instrument Panel 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspections
Brake System 7
-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling System 7-18 . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust Systems 7-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Drive Axle Boot 7-18 . . . . . . . . . . . . . . . . . . . . . . . . .
Front Drive Axle Seal 7-18 . . . . . . . . . . . . . . . . . . . . . . . . .
Steering 7-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspections (Continued)
Suspension 7
-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle System 7-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key in the Ignition 2-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-15 . . . . . . . . . . . . . . . . . . . . .
Key Reminder Warning 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry
Operation 2
-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery Replacement 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . .
Matching Transmitter(s) to Your Vehicle 2-10 . . . . . . . . . . .
Resynchronization 2-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification/Tire 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-59 . . . . . . . . . . . . . . . . . . . . . Tire
-Loading Information 4-32 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-59 . . . . . . . . . . . . . . . . . . .
Lamps
Courtesy 2
-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Illumination 2-13 . . . . . . . . . . . . . . . . . . . . . . . . . .
Exit Lighting 2-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reading 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Latches, Seatback 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-39 . . . . . . .
Lighter 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-24, 2-71 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-73, 4-7 . . . . . . . . . . . .
Brake System Warning 2-72 . . . . . . . . . . . . . . . . . . . . . . . . .
Change Oil Soon 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Ajar 2-87, 2-91 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Coolant Temperature 2-79 . . . . . . . . . . . . . . . . . . . .
Enhanced Traction System Warning 2-74, 4-10 . . . . . . . . .
Interior 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Coolant Warning 2-80 . . . . . . . . . . . . . . . . . . . . . . . . .
Low Fuel 2-81 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Oil Level 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Trac 2-74, 2-87, 2-91 . . . . . . . . . . . . . . . . . . . . . . . . .
Low Traction 2-74, 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Warning 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Shift 2-90 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-9, 2-70 . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-75 . . . . . . . . . . . . . . . . . . . . . . . . . .
TCS Off 2-73, 2-91 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trac Off 2-74, 2-87, 2-91 . . . . . . . . . . . . . . . . . . . . . . . . . .