air suspension CHEVROLET METRO 1999 2.G Owners Manual

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7-42
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-Wheel-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 power steering lines
and hoses for proper hook
-up, binding, leaks, cracks,
chafing, etc. Check for seal leakage. Clean and then
inspect the drive axle boot seals for damage, tears or
leakage. Replace seals if necessary. Check final drive
axle output shaft seals for leakage.
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.
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.

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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: $20.00
Without Portfolio: Owner's Manual only.
RETAIL SELL PRICE: $15.00
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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9-5
Steering 7-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension 7-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle System 7-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Cluster 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Cluster 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components, Cleaning 6-50 . . . . . . . . . . . . . .
Jack, Tire 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-39 . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-56 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-33 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-56 . . . . . . . . . . . . . . . . . . .
Lamps 2-27, 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dome 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Latches, Seatback 1
-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle With the Engine Running 2-20 . . . . . . .
Lid Release, Hatchback 2-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lid Release, Remote 2-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighter 2-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-22, 2-37 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Active 2-41, 4-9 . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-40, 4-7 . . . . . . . . . . . .
Brake System Warning 2-39 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps Indicator 2-45 . . . . . . . . . . . . . . .
Engine Oil Pressure Light 2-44, 6-13 . . . . . . . . . . . . . . . . .
Interior 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-9, 2-37 . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift 2-17, 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinders 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Automatic Transaxle Check 7-41 . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-39 . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Door Security 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip, Before Leaving 4-22 . . . . . . . . . . . . . . . . . . . . . . .
Low Gear, Automatic Transaxle 2-15 . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-39 . . . . . . . . . . . . . . . . . . . . . . . .