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Downloaded from www.Manualslib.com manuals search engine If you ever replace your tires with those not having a
TPC Spec number, make sure they are the same size,
load range, speed rating and construction type (bias,
bias-belted or radial) as your original tires.
Uniform Tire Quality Grading
The following information relates to the system
developed by the United States National Highway
Traffic Safety Administration which grades tires by
treadwear, traction and temperature performance.
(This applies only to vehicles sold
in the United States.)
Treadwear
The treadwear grade is a comparative rating based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded
150 would wear one and a half
(1 1/2) times as well on the government course as a tire
graded
100. The relative performance of tires depends
upon the actual conditions
of their use, however, and
may depart significantly from the norm due to variations
in driving habits, service practices and differences in
road characteristics and climate.
Traction - A, B, C
The traction grades, from highest to lowest are: A, B,
and C. They represent the tire’s ability to stop on wet
pavement as measured under controlled conditions on
specified government test surfaces
of asphalt and
concrete. A tire marked
C may have poor traction
performance.
Warning: The traction grade assigned
to this tire is based
on braking (straight-ahead) traction tests and does not
include cornering (turning) traction.
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Downloaded from www.Manualslib.com manuals search engine Temperature - A, B, C
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of
heat and its ability to dissipate heat when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and reduce tire life, and
excessive temperature can lead to sudden tire failure.
The grade
C corresponds to a level of performance
which all passenger car tires must meet under the
Federal Motor Vehicle Safety Standard
No. 109. Grades
B and A represent higher levels of performance on the
laboratory test wheel than the minimum required by law.
Warning: The temperature grade for this tire is
established for
a tire that is properly inflated and not
overloaded. Excessive speed, underinflation, or
excessive loading, either separately or in combination,
can cause heat buildup and possible tire failure.
These grades are molded on the sidewalls of passenger
car tires. While the tires
available as standard or optional
equipment
on General Motors vehicles may vary with
respect to these grades, all such tires meet General
Motors performance standards and have been approved
for use on General Motors vehicles. All passenger type
(P Metric) tires must conform to Federal safety
requirements in addition to these grades.
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.
In most cases, you will not need to have your wheels
aligned again. 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.
6-4 1
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Downloaded from www.Manualslib.com manuals search engine NOTICE:
The wrong wheel can also cause problems with
bearing life, brake cooling, speedometer/odometer
calibration, headlamp
aim, bumper height, vehicle
ground clearance, and
tire or tire chain clearance
to the body and chassis.
Used Replacement Wheels
Tire Chains
NOTICE:
If your Chevrolet has P215/60R16 or P225/60R16
size tires, don’t use tire chains; they can damage
your vehicle.
If you have other tires, use tire chains only where
legal and only when you must. Use only
SAE
Class “S” type chains that are the proper size for
your tires. Install them on the front tires and
tighten them
as tightly as possible with the ends
securely fastened. Drive slowly and follow the
chain manufacturer’s instructions.
If you can
hear the chains contacting your vehicle, stop and
retighten them. If the contact continues, slow
down until
it stops. Driving too fast or spinning
the wheels with chains on will damage your
vehicle.
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Downloaded from www.Manualslib.com manuals search engine Tires
To clean your tires, use a stiff brush with a tire cleaner.
When applying
a tire dressing always take care to wipe
off any overspray or splash from painted surfaces.
Petroleum-based products may damage the paint finish.
Sheet Metal Damage
If your vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair shop
applies anti-corrosion material to the parts repaired or
replaced to restore corrosion protection.
Finish Damage
Any stone chips, fractures or deep scratches in the finish
should be repaired right away. Bare metal will corrode
quickly and may develop into a major repair expense.
Minor chips and scratches can be repaired with touch-up
materials available from your dealer or other service
outlets. Larger areas of finish damage can be corrected
in your dealer’s body and paint shop.
Underbody Maintenance
Chemicals used for ice and snow removal and dust
control can collect on the underbody. If these are not
removed, accelerated corrosion (rust) can occur on
the
underbody parts such as fuel lines, frame, floor pan, and
exhaust system even though they have corrosion
protection.
At least every spring, flush these materials from the
underbody with plain water. Clean any areas where mud
and other debris can collect. Dirt packed
in closed areas
of the frame should be loosened before being flushed.
Your dealer or an underbody vehicle washing system
can do this for you.
6-50
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Downloaded from www.Manualslib.com manuals search engine 1 Maintenance Schedule I I
6,000 Miles (10 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate the shift linkage, parking brake
cable guides, underbody contact points and
linkage (or every
6 months, whichever
occurs first).
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index
for proper rotation
pattern and additional information.
DATE
SERVICED BY: ACTUAL MILEAGE
9,000 Miles (15 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
DATE
SERVICED BY: ACTUAL MILEAGE
, ,.
7-7
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Downloaded from www.Manualslib.com manuals search engine I Maintenance Schedule I I
18,000 Miles (30 000 km)
17 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate the shift linkage, parking brake
cable guides, underbody contact points and
linkage (or every
6 months, whichever
occurs first).
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern
and additional information.
DATE ACTUAL MILEAGE
21,000 Miles (35 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Con fro1 Service.
DATE ACTUAL MILEAGE
I I
SERVICED BY I
7-9
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Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule I
30,000 Miles (50 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate the shift linkage, parking brake cable
guides, underbody contact
points and linkage
(or every
6 months, whichever occurs first).
every 24 months, whichever occurs first).
0 Drain, flush and refill cooling system (or
every 24 months, whichever occurs first).
See “Engine Coolant’’ in the Index for what
to use. Inspect hoses. Clean radiator,
condenser, pressure cap and neck. Pressure
test the cooling system and pressure cap.
0 Inspect engine accessory drive belt (or
An Emission Control Service.
An Emission Control Service.
0 Replace spark plugs. An Emission Control
Service.
17 Replace air cleaner filter. Replace filter
more often under dusty conditions.
An Emission Control Service.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service. i-
0 Rotate tires. See “Tire Inspection and
Rotation’’ in the Index for proper rotation
pattern and additional information.
7-11
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Downloaded from www.Manualslib.com manuals search engine 1 Maintenance Schedule I I
39,000 Miles (65 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
DATE
SERVICED BY
ACTUAL MILEAGE
42,000 Miles (70 000 km)
0 Change engine oil and
filter (or every
3 months, whichever occurs first).
Lubricate the (or every 6 months,
whichever occurs first).
Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
An Emission Control Service.
7-13