2005 CHEVROLET COLORADO spare tire

Uniform Tire Quality Grading
Quality grades can be found where applicable on the
tire sidewall between tread shoulder and maximum
section width. For example:
Treadwear 200 Traction AA Temperature A
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.)
The grades are molded on the sidewalls of most
passenger car tires. The Uniform Tire Quality Grading
system does not apply to deep tread, winter-type
snow tires, space-saver or temporary use spare tires,
tires with nominal rim diameters of 10 to 12 inches
(25 to 30 cm), or to some limited-production tires.
While the tires available on General Motors passenger
cars and light trucks may vary with respect to these
grades, they must also conform to federal safety
requirements and additional General Motors Tire
Performance Criteria (TPC) standards.
Treadwear
The treadwear grade is a comparative rating based on
the wear rate of the tire when tested under controlled
conditions on a specied government test course.
For example, a tire graded 150 would wear one and
a half (1.5) 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 signicantly from the norm
due to variations in driving habits, service practices and
differences in road characteristics and climate.
Traction – AA, A, B, C
The traction grades, from highest to lowest, are AA, A,
B, and C. Those grades represent the tire’s ability
to stop on wet pavement as measured under controlled
conditions on specied 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 straight-ahead braking
traction tests, and does not include acceleration,
cornering, hydroplaning, or peak traction characteristics.
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When you have a at tire, use the following as a guide
to assist you in the placement of the wheel blocks.
The following information will tell you next how to use
the jack and change a tire.Removing the Spare Tire and Tools
The tools you will need are located under the
passenger’s seat.
For crew cab models, the jack and wheel blocks are
located under the driver’s side rear seat.
Crew Cab
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3. Remove the wheel blocks and the wheel block
retainer by turning the wing nut counterclockwise.
4. Put the wheel blocks at the front and rear of the tire
farthest away from the one being changed. That
would be the tire on the other side, at the opposite
end of the vehicle.
5. Locate the wing nut used to retain the storage bag
and tools which is under the front passenger’s seat.
Remove it by turning the wing nut counterclockwise.You will use the jack handle extensions and the wheel
wrench to remove the underbody-mounted spare tire.
A. Jack Handle Extensions
B. Jack
C. Extension ToolD. Wheel Wrench
E. Wheel Blocks
1. Assemble the wheel wrench (D) and the jack
handle extensions (A) as shown.
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2. Insert the hoist end (chiseled end) of the extension
tool (C) through the hole in the rear bumper and
into the funnel-shaped guide. The chiseled end of
the extension is used to lower the spare tire.
3. Turn the wheel wrench (D) counterclockwise to
lower the spare tire to the ground. Continue to
turn the wheel wrench until the spare tire can be
pulled out from under the vehicle.
If the spare tire does not lower to the ground, the
secondary latch is engaged causing the tire
not to lower. SeeSecondary Latch System on
page 5-80.4. Tilt the retainer when
the tire has been
lowered, and slide it up
the cable so it can
be pulled up through
the wheel opening.
5. Put the spare tire near the at tire.
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Removing the Flat Tire and
Installing the Spare Tire
Use the following pictures and instructions as a guide in
removing the at tire and raising the vehicle.
The tools you will be using include the jack (A), the
wheel blocks (B), the extension tool (C), the jack handle
extensions (D), and the wheel wrench (E).1. Remove the center cap by placing the chisel end of
the wheel wrench (E) into one of the slots on the
wheel and gently prying the cap out.
If your vehicle has the Xtreme package, remove
each wheel nut cap with the wheel wrench
and remove the center cap by hand.
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If the at tire is on the rear, position the jack under
the rear axle and get as close as possible to the
shock absorber.
4. Make sure the jack head is positioned so that the
rear axle is resting securely between the grooves
that are on the jack head.5. Turn the wheel wrench clockwise to raise the
vehicle. Raise the vehicle far enough off the ground
so there is enough room for the spare tire to t
under the wheel well.
6. Remove all the wheel
nuts and take off the
at tire.
Rear Position
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{CAUTION:
Rust or dirt on the wheel, or on the parts to
which it is fastened, can make the 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
the 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.
7. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.8. Install the spare tire.{CAUTION:
Never use oil or grease on studs or nuts. If
you do, the nuts might come loose. Your wheel
could fall off, causing a serious accident.
9. Put the wheel nuts
back on with the
rounded end of the
nuts toward the wheel.
Tighten each wheel
nut by hand. Then use
the wheel wrench to
tighten the nuts
until the wheel is held
against the hub.
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Secondary Latch System
Your vehicle has an underbody-mounted tire hoist
assembly equipped with a secondary latch system.
It is designed to stop the spare tire from suddenly falling
off your vehicle. For the secondary latch to work, the
spare must be installed with the valve stem pointing
down. SeeStoring a Flat or Spare Tire and Tools
on page 5-83.
{CAUTION:
Before beginning this procedure read all the
instructions. Failure to read and follow the
instructions could damage the hoist assembly
and you and others could get hurt. Read and
follow the instructions listed below.To release the spare tire from the secondary latch,
do the following:
1. Check under the
vehicle to see if the
cable end tting
is visible.
2. If the cable end tting is not visible, proceed to
Step 6.
If it is visible, rst try to tighten the cable by
turning the wheel wrench clockwise until you
hear two clicks or feel it skip twice. You cannot
overtighten the cable.
3. Loosen the cable by turning the wheel wrench
counterclockwise three or four turns.
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