wheel torque CHEVROLET LUMINA 1999 2.G Owners Manual

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5-31
11. Tighten the wheel nuts
firmly in a crisscross
sequence as shown.
CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to become loose
and even come off. This could lead to an accident.
Be sure to use the correct wheel nuts. If you have
to replace them, be sure to get new GM original
equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with a torque wrench to
100 lb
-ft (140 N´m).
NOTICE:
Improperly tightened wheel nuts can lead to
brake pulsation and rotor damage. To avoid
expensive brake repairs, evenly tighten the wheel
nuts in the proper sequence and to the proper
torque specification.
Don't try to put a wheel cover on your compact spare
tire. It won't fit. Store the wheel cover in the trunk until
you have the flat tire repaired or replaced.
NOTICE:
Wheel covers won't fit on your compact spare.
If you try to put a wheel cover on your compact
spare, you could damage the cover or the spare.

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6-31 Brake Wear
Your vehicle has front disc brakes and rear drum brakes
if it is equipped with the 3100 engine. It has four
-wheel
disc brakes if it is equipped with the 3800 engine.
Disc brake pads have built
-in wear indicators that make
a high
-pitched warning sound when the brake pads
are worn and new pads are needed. The sound may
come and go or be heard all the time your vehicle is
moving (except when you are pushing on the brake
pedal firmly).
CAUTION:
The brake wear warning sound means that soon
your brakes won't work well. That could lead to
an accident. When you hear the brake wear
warning sound, have your vehicle serviced.
NOTICE:
Continuing to drive with worn-out brake pads
could result in costly brake repair.
Some driving conditions or climates may cause a brake
squeal when the brakes are first applied or lightly
applied. This does not mean something is wrong with
your brakes.
Properly torqued wheel nuts are necessary to help
prevent brake pulsation. When tires are rotated, inspect
brake pads for wear and evenly torque wheel nuts in the
proper sequence to GM specifications.
If you have rear drum brakes, they don't have wear
indicators, but if you ever hear a rear brake rubbing
noise, have the rear brake linings inspected immediately.
Also, the rear brake drums should be removed and
inspected each time the tires are removed for rotation or
changing. When you have the front brake pads replaced,
have the rear brakes inspected, too.
Brake linings should always be replaced as complete
axle sets.

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6-41 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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9-11
Uniform Quality Grading 6-43 . . . . . . . . . . . . . . . . . . . . . . .
Used Replacement Wheels 6-46 . . . . . . . . . . . . . . . . . . . . . .
Wear Indicators 6-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Replacement 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . .
When It's Time for New 6-42 . . . . . . . . . . . . . . . . . . . . . . .
Top Strap 1-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Lock 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque, Wheel Nut 5-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing a Trailer 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing Your Vehicle 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer
Backing Up 4
-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving on Grades 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving with 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Following Distance 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hitches 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Towing 4-40 . . . . . . . . . . . . . . . . . . . . .
Making Turns 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking on Hills 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passing 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tongue Weight 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Weight on Tires 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signals 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Fluid, Automatic 6-19 . . . . . . . . . . . . . . . . . . . . . . .
Transmitters, Remote Keyless Entry 2-7 . . . . . . . . . . . . . . . . . Transportation, Courtesy 8
-8 . . . . . . . . . . . . . . . . . . . . . . . . . .
Before Leaving 4-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trip Odometer 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk 2-9
Lock 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Release, Remote 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TTY Users 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Lane Change Signals 2-31 . . . . . . . . . . . . . . .
Turn Signal/Multifunction Lever 2-31 . . . . . . . . . . . . . . . . . . .
Turn Signals When Towing a Trailer 4-39 . . . . . . . . . . . . . . . .
Tw o-Way Manual Front Seat 1-2 . . . . . . . . . . . . . . . . . . . . . . .
Underbody Flushing Service 7-16 . . . . . . . . . . . . . . . . . . . . .
Underbody Maintenance 6-53 . . . . . . . . . . . . . . . . . . . . . . . . .
Underhood Electrical Center 6-60, 6-61 . . . . . . . . . . . . . . . . .
Vehicle
Control 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage Warnings vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 6
-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification Number 6-55 . . . . . . . . . . . . . . . . . . . . . . . . .
Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 6-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols viii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ventilation System 3
-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity Mirrors 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visors, Sun 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-12
Warning Devices 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Lights, Gages and Indicators 2-51 . . . . . . . . . . . . . . .
Warranty Information 8-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Washing Your Vehicle 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrip Lubrication 7-14 . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrips 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel
Alignment 6
-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nut Torque 5-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wrench 5-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Window Lock Out 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windows 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto-Down 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Windshield Washer 2
-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 2-32, 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Level Check 7-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Wipers 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blade Replacement 6-38 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter Driving 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper Blade Check 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring, Headlamp 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wrecker Towing 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wrench, Wheel 5-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Your Driving and the Road 4-1 . . . . . . . . . . . . . . . . . . . . . . .