1999 BUICK PARK AVENUE wheel alignment

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5-20 Removing Wheel Covers and Wheel
Nut Caps
The following steps are necessary if you have the alloy
(aluminum) wheel with a center cover that conceals the
wheel nuts.
1. Insert the flat end of the wheel wrench in the
notch and pry off the center cover. Do not drop
the cover or lay it face down, as it could be scratched
or damaged.
2. If your vehicle has this
aluminum wheel, you
may have plastic wheel
nut caps. Use the wheel
nut wrench to remove
the wheel nut caps and
to loosen the wheel nuts.
3. When reinstalling the decorative nut caps, tighten the
caps snugly with the wheel wrench, then continue
one
-eighth of a turn for steel caps and one-quarter of
a turn for plastic caps.
It is not required to remove the center cover on this
wheel; however, if it should be necessary, it should
be removed from the back side by pushing out with a
blunt tool and not pried off from the front.
When reinstalling the cap, there is a plastic
alignment pin which must be aligned with the notch
in the wheel to assure proper installation.
4. After the wheel is put back on the vehicle, replace
the cover. Apply pressure around the edge of the
cover to snap it in place. Do not use a hammer or
mallet to install the cover.
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6-50 Tire Inspection and Rotation
Tires should be rotated every 6,000 to 8,000 miles (10 000 to
13 000 km). Any time you notice unusual wear, rotate your
tires as soon as possible and check wheel alignment. Also
check for damaged tires or wheels. See ªWhen It's Time for
New Tiresº and ªWheel Replacementº later in this section
for more information.
The purpose of regular rotation is to achieve more
uniform wear for all tires on the vehicle. The first
rotation is the most important. See ªScheduled
Maintenance Servicesº in the Index for scheduled
rotation intervals.
When rotating your tires, always use the correct rotation
pattern shown here.Don't include the compact spare tire in your
tire rotation.
After the tires have been rotated, adjust the front and
rear inflation pressures as shown on the Tire
-Loading
Information label. Make certain that all wheel nuts are
properly tightened. See ªWheel Nut Torqueº in
the Index.
CAUTION:
Rust or dirt on a wheel, or on the parts to which
it is fastened, can make wheel nuts become loose
after a time. The wheel could come off and cause
an accident. When you change a wheel, remove
any rust or dirt from places where the wheel
attaches to the vehicle. In an emergency, you can
use a cloth or a paper towel to do this; but be
sure to use a scraper or wire brush later, if you
need to, to get all the rust or dirt off. (See
ªChanging a Flat Tireº in the Index.)
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6-54 Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced
carefully at the factory to give you the longest tire life
and best overall performance.
Scheduled wheel alignment and wheel balancing are not
needed. However, if you notice unusual tire wear or your
vehicle pulling one way or the other, the alignment may need
to be reset. If you notice your vehicle vibrating when driving
on a smooth road, your wheels may need to be rebalanced.
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted
or corroded. If wheel nuts keep coming loose, the wheel,
wheel bolts and wheel nuts should be replaced. If the
wheel leaks air, replace it (except some aluminum
wheels, which can sometimes be repaired). See your
dealer if any of these conditions exist.
Your dealer will know the kind of wheel you need.
Each new wheel should have the same load
-carrying
capacity, diameter, width, offset and be mounted the
same way as the one it replaces.
If you need to replace any of your wheels, wheel bolts
or wheel nuts, replace them only with new GM original
equipment parts. This way, you will be sure to have the
right wheel, wheel bolts and wheel nuts for your vehicle.
CAUTION:
Using the wrong replacement wheels, wheel bolts
or wheel nuts on your vehicle can be dangerous.
It could affect the braking and handling of your
vehicle, make your tires lose air and make you
lose control. You could have a collision in which
you or others could be injured. Always use the
correct wheel, wheel bolts and wheel nuts
for replacement.
NOTICE:
The wrong wheel can also cause problems with
bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper
height, vehicle ground clearance and tire or tire
chain clearance to the body and chassis.
See ªChanging a Flat Tireº in the Index for
more information.
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9-1
Section 9 Index
A
ir Bag 1-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How Does it Restrain 1-25 . . . . . . . . . . . . . . . . . . . . . . . . . .
How it Works 1-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 1-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Readiness Light 1-23, 2-74 . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing 1-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Makes it Inflate 1-25 . . . . . . . . . . . . . . . . . . . . . . . . . .
What Will You See After it Inflates 1-25 . . . . . . . . . . . . . . .
When Should it Inflate 1-24 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning 3-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants 6-76 . . . . . . . . . . . . . . . . . . . . .
Air Control, Climate Control System 3-3, 3-4 . . . . . . . . . . . . .
Air Filter, Passenger Compartment 3-9 . . . . . . . . . . . . . . . . . .
Alarm, Content Theft-Deterrent 2-16 . . . . . . . . . . . . . . . . . . .
Alarm, Instant, Keyless Entry 2-10 . . . . . . . . . . . . . . . . . . . . .
Alignment and Balance, Tire 6-54 . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels, Cleaning 6-61 . . . . . . . . . . . . . . . . . . . . . .
Antenna, Heated Backlite 3-35 . . . . . . . . . . . . . . . . . . . . . . . .
Antifreeze 6-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock
Brake System Warning Light 2-76, 4-7 . . . . . . . . . . . . . . . .
Brakes 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Theft, Radio 3-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care Materials 6-64 . . . . . . . . . . . . . . . . . . . . . . .
Arbitration Program 8-3, 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . Armrest, Storage 2
-58, 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtrays 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assist Straps 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Astroroof 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Controls, Steering Wheel Touch Control 3-31 . . . . . . .
Audio Equipment, Adding 3-33 . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Personal Choice 3-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Wheel Controls 3-31 . . . . . . . . . . . . . . . . . . . . . . .
Automatic Overdrive 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Transaxle
Check 7
-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park Mechanism Check 7-34 . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary Power Outlets 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery 6-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement, Keyless Entry 2-13 . . . . . . . . . . . . . . . . . . . .
Rundown Protection 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Light 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 5-3, 5-4, 5-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BBB Auto Line 8-3, 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Belt, Engine Accessory 6-77, 6-78 . . . . . . . . . . . . . . . . . . . . .
Blizzard 4-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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9-11
Tachometer 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tape Player Care 3-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Control, Climate Control System 3-3 . . . . . . . . .
Theater Dimming 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent 2-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent Feature 3-29 . . . . . . . . . . . . . . . . . . . . . . . . . .
THEFTLOCK
3-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermostat 6-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third Gear, Automatic Transaxle 2-26 . . . . . . . . . . . . . . . . . . .
Tilt Steering Wheel 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Time, Setting the 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Chains 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information Label 4-31 . . . . . . . . . . . . . . . . . . .
Tires 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alignment and Balance 6-54 . . . . . . . . . . . . . . . . . . . . . . . .
Buying New 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Spare 5-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation Check 7-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Rotation 6-50 . . . . . . . . . . . . . . . . . . . . . . . .
Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Treadwear 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uniform Quality Grading 6-52 . . . . . . . . . . . . . . . . . . . . . . .
Wear Indicators 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Replacement 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . .
When It's Time for New 6-51 . . . . . . . . . . . . . . . . . . . . . . . Top Strap 1
-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Lock 2-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque, Wheel Nut 5-24, 6-75 . . . . . . . . . . . . . . . . . . . . . . . . .
Towing a Trailer 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing, Recreational Vehicle 4-30 . . . . . . . . . . . . . . . . . . . . .
Towing Your Vehicle 5-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction
Control System 4
-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control System Warning Light 2-76, 4-9 . . . . . . . . . . . . . .
Trailer
Brakes 4
-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving on Grades 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving with 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Towing 4-40 . . . . . . . . . . . . . . . . . . .
Hitches 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Towing 4-40 . . . . . . . . . . . . . . . . . . . . .
Parking on Hills 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tongue Weight 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Weight on Tires 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signals 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Fluid, Automatic 6-21 . . . . . . . . . . . . . . . . . . . . . . .
Transmitters
Matching to Your Vehicle 2
-12 . . . . . . . . . . . . . . . . . . . . . .
Remote Keyless Entry 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . .
Transportation, Courtesy 8-7 . . . . . . . . . . . . . . . . . . . . . . . . . .
Trip Odometer 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk
Lamp 2
-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock Release 2-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Seat Pass Through 2-60 . . . . . . . . . . . . . . . . . . . . . . . .
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9-12
Trunk (Continued)
Release, Remote 2-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security Override 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk-Mounted CD Changer 3-26 . . . . . . . . . . . . . . . . . . . . . .
Errors 3-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Playing a Compact Disc 3-28 . . . . . . . . . . . . . . . . . . . . . . . .
TTY Users 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn and Lane Change Signal 2-36 . . . . . . . . . . . . . . . . . . . . .
Turn Signal On Chime 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal/Multifunction Lever 2-36 . . . . . . . . . . . . . . . . . . .
Turn Signals When Towing a Trailer 4-38 . . . . . . . . . . . . . . . .
Twilight Sentinel
2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underbody Flushing Service 7-34 . . . . . . . . . . . . . . . . . . . . .
Underbody Maintenance 6-63 . . . . . . . . . . . . . . . . . . . . . . . . .
Universal Transmitter 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle
Control 4-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage Warnings iv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 6
-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification Number 6-65 . . . . . . . . . . . . . . . . . . . . . . . . .
Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 6-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ventilation System 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity Mirror, Illuminated 2-61 . . . . . . . . . . . . . . . . . . .
Visors, Sun 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Indicator 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Devices 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Lights, Gages and Indicators 2-73 . . . . . . . . . . . . . . .
Warranty Information 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Washer Fluid, Windshield 2-40, 6-28 . . . . . . . . . . . . . . . . . . .
Washing Your Vehicle 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrips 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel
Alignment 6
-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nut Torque 5-24, 6-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wrench 5-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Window Lock 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windows 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Express-Down 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Washer
Fluid 2
-40, 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Level Check 7-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Wipers 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blade Check 7-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blade Cleaning 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blade Replacement 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Moisture-Sensing Delay 2-39 . . . . . . . . . . . . . . . . . . . . . . .
Winter Driving 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper Blade Check 7-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper Blades, Cleaning 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper Blades, Replacement 6-45 . . . . . . . . . . . . . . . . . . . . . . .
Wrecker Towing 5-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wrench, Wheel 5-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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