1999 CHEVROLET CORVETTE suspension

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Selective Real Time Damping
(SRTD) (Option)
You may have a ride control system on your vehicle
called Selective Real Time Damping (SRTD). The
system provides the following performance benefits:

Reduced Impact Harshness

Improved Road Isolation

Improved High
-Speed Stability

Improved Handling Response
This switch is on the center console. Turn it to select the
suspension characteristic of your choice.
TOUR: Use for normal city and highway driving. This
setting provides a smooth, soft ride.
SPORT: Use where road conditions or personal
preference demand more control. This setting provides
more ªfeel,º or response to the road conditions.
PERF: Use for performance driving. This setting
provides a tight, firm ride and precise response to
road conditions.
You can select a setting at any time. Based on road
conditions, steering wheel angle and your vehicle speed,
the system automatically adjusts to provide the best ride
and handling. Select a new setting whenever driving
conditions change.
There are three Driver Information Center (DIC)
messages that are displayed when a malfunction occurs
with the SRTD system. Refer to ªDIC Warnings and
Messagesº in the Index.

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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 and Suspension 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.
Tire and Wheel Inspection
Inspect the tires for uneven wear or damage. If there is
irregular or premature wear, check the wheel alignment.
Inspect for damaged wheels.
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.

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CURRENT PUBLICATIONS FOR 1999 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
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 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.)

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Radiator and Heater Hose 7-18 . . . . . . . . . . . . . . . . . . . . . .
Steering 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholder 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated Windshield and Rear Window Antennas 3-32 . . . .
Interior Lamps 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jacking Your Vehicle 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key in the Ignition 2-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-14 . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certification 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-65 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-31 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-65 . . . . . . . . . . . . . . . . . . .
Lamps 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning Exterior Lamps/Lenses 6-60 . . . . . . . . . . . . . . . . .
Courtesy 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exit and Entry 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-44, 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Sidemarkers 6-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Turn Signal 6-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Headlamp/High
-Beams 6-33 . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Turn Signal and Taillamps 6-36 . . . . . . . . . . . . . . . . . .
Twilight Sentinel 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lap Belt Cinch Feature 1-14 . . . . . . . . . . . . . . . . . . . . . . . . . .
Latches, Seatback 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-36 . . . . . . .
Lifting Your Corvette 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
From the Front 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
From the Rear 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighted Visor Vanity Mirrors 2-60 . . . . . . . . . . . . . . . . . . . . . .
Lighter 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-21, 2-78 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-80, 4-7 . . . . . . . . . . . .
Brake System Warning 2-79 . . . . . . . . . . . . . . . . . . . . . . . . .
Check Engine 2-83 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gages 2-86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-8, 2-78 . . . . . . . . . . . . . . . . . . . . . .
Security 2-86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limited-Slip Rear Axle 2-39 . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinders 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Automatic Transmission Check 7-16 . . . . . . . . . . .
Key Lock Cylinders Service 7-14 . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Wheel Lock Key 6-51 . . . . . . . . . . . . . . . . . . . . .
Loss of Control 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-14 . . . . . . . . . . . . . . . . . . . . . . . .