1994 GMC SIERRA wheel

Replace the wheel
nuts with the rounded
end of the nuts toward
the wheel.
Lower the vehicle by rotating the ratchet to the left. Lower the jack
completely.
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Tighten to the Left Tightening Sequence
Tighten the nuts firmly in a criss-cross sequence as shown. Rotate the
ratchet to the right with the
UP marking facing you.
For proper torque, see “Wheel Nut Torque” in the Index.
Put the wheel trim back on. For vehicles with plastic nut caps, tighten the
c3ps until they
are finger tight, then tighten them an additional one-half turn
with the ratchet. Remove any wheel blocks.
Remember, the jack and tire must be properly stored
in their original storage
position before you begin driving again. The next part, “Storing the Jack
and Tire,” will show
you how.
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Storing the Tire and Jack
Storing Tire and Jack -Underbody Carrier Mounted Spare Tire
8
7
1. Hoist Assembly
2. Ratchet
3. Wheel Wrench
4. Hoist Shaft
5. Valve Stem (Pointed Down)
6. Spare Tire
7. Retainer
8. Hoist Cable
Put the tire on the ground at the rear of the vehicle, with the valve stem
pointed down.
Pull the retainer through the wheel center. Attach the ratchet,\
with the
UP
side facing you, to the socket. Put the flat end of the socket into the hole in
the rear bumper.
Turn the ratchet until the tire is raised against the underside
of the vehicle.
YOU will hear two “clicks” when the tire is secure, but pull on the tire to
make sure.
Return the jack, ratchet, socket and jack extensions to their location behind
the passengers’ seat. Store the jack; and jacking tools
as shown in the
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illustrations earlier in this section. Secure the items and replace the jack
cover
if there is one.
Storing Tire and Jack -Pickup Bed Mounted Spare Tire
1. Spare Tire
2. Spare Wheel
3. Spare Wheel
Mounting Nut
Mounting Bolt
Put the tire in the bed of the vehicle and slide the spare wheel mounting bolt
through the bottom wheel nut hole. Be sure the valve stem fac\
es
out.
Then place the spare wheel mounting nut on the bolt and turn \
it to the right
until the tire is secure.
Return the jack, ratchet, socket and jack extensions
to their location behind
the passengers’ seat. Store the jack and jacking tools as shown in the
illustrations earlier in this section. Secure the items and rep\
lace the jack
cover
if there is one.
If You’re Stuck: In Sand, Mud, Ice or Snow
What you don’t want to do when your vehicle is stuck is to spin your
wheels. The method known as “rocking” can help you get o\
ut when you’re
stuck, but
you must use caution.
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NOTICE:
~ ~ ~~ ~~
Spinning your wheels can destroy parts of your vehicle as well\
as
the tires. If you spin the wheels too fast while shifting your back
and forth, you can destroy your
.
Rocking your vehicle to get it out:
First, turn your steering wheel left and right. That will clear the area around
your front wheels. Then shift back and forth between
“R’ (Reverse) and a
forward gear (or with a manual
, between First or Second gear and Reverse),
spinning the wheels as little as possible. Release the accelerator pedal while
you shift, and press lightly on the accelerator pedal when the\
is in gear. If
that doesn’t get you out after a few tries, you may need to be towed out. Or,
you can use your recovery hooks,
if your vehicle has them. If you do need
to be towed out, see “Towing Your Vehicle” in the Index.
Using the Recovery Hooks
If you ever get stuck in sand, mud, ice or snow, your vehicle may be
equipped with recovery hooks. The recovery hooks are provided at the front
of your vehicle. You may need to use them
if you’re stuck off-road and
need to be pulled to some place where you can continue drivin\
g.
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Checking Things Under the Hood (continued)
Windshield Washer Fluid
................................. 6-45
Brake Master Cylinder
................................... 6-46
Replacing Brake System Parts
................................ 6-49
Other Maintenance Items
.................................... 6-49
Windshield Wiper Blade Inserts
.............................. 6-50
FluidLeakCheck
.......................................... 6-51
Lubrication
............................................... 6-51
Battery .................................................. 6-52
Vehiclestorage
......................................... 6-52
Bulb Replacement
......................................... 6-53
Fuses and Circuit Breakers
.................................. 6-62
Exhaustsystem
........................................... 6-64
Loading Your Vehicle
...................................... 6-64
Tires .................................................... 6-71
Inflation-Tire Pressure
.................................. 6-71
Tire Inspection and Rotation
............................... 6-73
When it’s Time for New Tires
............................. 6-74
Buying New Tires
....................................... 6-76
Uniform Tire Quality Grading
............................. 6-77
Wheel Alignment and Tire Balance
......................... 6-78
Wheel Replacement
..................................... 6-78
Tire Chains
............................................ 6-79
Appearancecare
.......................................... 6-80
Cleaning the Inside of Your Vehicle
......................... 6-81
Cleaning the Outside
of Your Vehicle ....................... 6-84
Appearance Care Materials
.................................. 6-87
Vehicle Identification Number
................................ 6-88
Service Parts Identification
Label ............................. 6-90
Specifications Charts
..................................... 6-91
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How to Check Lubricant
If the level is below
the bottom
of the filler
plug hole, you’ll need
to add some lubricant.
Add enough lubricant
to raise the level
to the
bottom of the filler
plug hole.
What to Use
Refer to the Maintenance Schedule to determine what kind of lubricant to
use. See “Recommended Fluids and Lubricants” in the Index.
Four- Wheel Drive
Most lubricant checks in this section also apply to four-wheel-drive
vehicles. However, they have two additional systems that need lubrication.
Transfer Case
When to Check Lubricant
Refer to the Maintenance Schedule to determine how often to check the
lubricant. See “Periodic Maintenance Inspections”
in the Index.
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Brake Wear
Your vehicle has front disc brakes and rear drum brakes. If you have a
C 3500 HD model, it has four-wheel disc brakes.
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).
The brake wear warning sound means that sooner or later 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.
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.
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 brakes
replaced, have the rear brakes inspected, too.
Brake linings should always be replaced
as complete axle sets.
Brake Pedal Travel
See your dealer if the brake pedal does not return to normal height, or if
there is a rapid increase in pedal travel. This could be a sign of brake
trouble.
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