wheel GMC SIERRA CLASSIC 2007 Owners Manual

For regular cab models, the equipment you will
need is behind the passenger’s seat. For extended
and crew cab models, the equipment is on the shelf
behind the passenger’s side second row seat.
1. If there is a cover, move the seats forward
and turn the wing nut on the cover
counterclockwise to remove it. For crew cab
models, pull up the second row seat with
the loop at the base of the seat cushion to
access the tools.
2. Turn the knob on the jack counterclockwise to
lower the jack head to release the jack from
its holder.
3. Remove the wheel blocks and the wheel
block retainer by turning the wing nut
counterclockwise.
4. Remove the wing nut used to retain the
storage bag and tools by turning it
counterclockwise.
You will use the jack handle extensions and the
wheel wrench to remove the underbody-mounted
spare tire.A. Spare Tire (Valve
Stem Pointed Down)
B. Hoist Assembly
C. Hoist Cable
D. Tire/Wheel Retainer
E. Hoist Shaft
F. Hoist End of
Extension ToolG. Hoist Shaft
Access Hole
H. Wheel Wrench
I. Jack Handle
Extensions
J. Spare Tire Lock
(If Equipped)
568

1. Open the spare tire lock cover on the bumper
and use the ignition key to remove the lock,
if equipped with a spare tire lock (J). To
remove the spare tire lock, insert the key, turn
and pull straight out.
2. Assemble the wheel wrench (H) and the
two jack handle extensions (I) as shown.3. Insert the hoist end
(open end) (F) of the
extension through
the hole (G) in
the rear bumper.
Be sure the hoist end of the extension (F)
connects to the hoist shaft (E). The ribbed
square end of the extension is used to lower
the spare tire.
569

4. Turn the wheel wrench (H) 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 580.
5. Use the wheel
wrench hook which
allows you to
pull the hoist cable
towards you to
assist in reaching
the spare tire.6. Tilt the retainer (D)
at the end of the
cable (C) when the
tire has been
lowered, so it can
be pulled up through
the wheel opening.
7. Put the spare tire near the at tire.
570

Removing the Flat Tire and
Installing the Spare Tire
Use the following pictures and instructions to
remove the at tire and raise the vehicle.
The tools you will be using include the jack (A),
the wheel blocks (B), the jack handle (C), the jack
handle extensions (D), and the wheel wrench (E).1. If your vehicle has
wheel nut caps,
loosen them
by turning the
wheel wrench
counterclockwise.
If the vehicle has a center cap with wheel nut
caps, the wheel nut caps are designed to
stay with the center cap after they are
loosened. Remove the entire center cap.
571

If the wheel has a smooth center cap, place
the chisel end of the wheel wrench in the
slot on the wheel, and gently pry it out.2. Use the wheel wrench and turn it
counterclockwise to loosen the wheel nuts.
Do not remove the wheel nuts yet.
572

A. Front Location (Two-Wheel-Drive
1500 Model)
B. Front Location (All Other Models)
C. Rear Location (All Models)
3. Position the jack under the vehicle as shown.
If the at tire is on the front of the vehicle
(two-wheel-drive 1500 Model vehicles),
position the jack under the bracket attached
to the vehicle’s frame, behind the at tire.
If the at tire is on the front of the vehicle
(all other models), position the jack on
the frame behind the at tire.If the at tire is on the rear, position the jack
under the rear axle between the spring anchor
and the shock absorber bracket.
If you have added a snow plow to the front
of your vehicle, lower the snow plow fully
before raising the vehicle.
{CAUTION:
Getting under a vehicle when it is jacked
up is dangerous. If the vehicle slips off
the jack you could be badly injured or
killed. Never get under a vehicle when it is
supported only by a jack.Jacking Locations
573

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.
Rear Position – 2WD Pickup ModelsRear Position – All Other Models
575

6. Remove all the
wheel nuts and take
off the at tire.
{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,
CAUTION: (Continued)
CAUTION: (Continued)
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 needed, 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.
576

{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.
10. Tighten each wheel nut by hand. Then use
the wheel wrench to tighten the nuts until the
wheel is held against the hub.
Front Position - All Models
577

11. Turn the wheel wrench counterclockwise to
lower the vehicle. Lower the jack completely.
Front Position - 2WD 1500 ModelRear Position
578