2007 GMC YUKON clock

{CAUTION:
You can be burned if you spill coolant
on hot engine parts. Coolant contains
ethylene glycol and it will burn if the
engine parts are hot enough. Do not spill
coolant on a hot engine.
1. You can remove the
coolant surge tank
pressure cap
when the cooling
system, including
the coolant
surge tank pressure
cap and upper
radiator hose, is no
longer hot.
Remove the coolant surge tank pressure
cap by slowly turning the pressure cap
counterclockwise about one full turn. If you
hear a hiss, wait for that to stop. A hiss means
there is still some pressure left.2. Then keep turning the pressure cap slowly,
and remove it.
3. Fill the coolant surge tank with the proper
mixture, to the FULL COLD mark.
455

7. Locate the vertical headlamp aiming screws,
which are under the hood near each headlamp
assembly.
The adjustment screw can be turned with
a E8 Torx
®socket.
8. Turn the vertical aiming screw until the
headlamp beam is aimed to the horizontal tape
line. Turn it clockwise or counterclockwise to
raise or lower the angle of the beam.9. Make sure that the light from the headlamp is
positioned at the bottom edge of the horizontal
tape line. The lamp on the left (A) shows
the correct headlamp aim. The lamp on the
right (B) shows the incorrect headlamp aim.
10. Repeat Steps 7 through 9 for the opposite
headlamp.
475

To replace one of these bulbs, do the following:
1. Remove the
two screws from
the taillamp
assembly.
2. Remove the taillamp assembly.
3. Press the release tab, if equipped, and turn
the socket counterclockwise to remove it
from the taillamp assembly.
4. Pull the old bulb straight out from the socket.
5. Press a new bulb into the socket, insert
the socket into the taillamp assembly and turn
the socket clockwise into the taillamp
assembly until it clicks.
6. Reinstall the taillamp assembly.License Plate Lamp
1. Remove the two screws holding each of the
license plate lamps to the molding that is part
of the liftgate.
2. Twist and pull the license plate lamp forward
through the molding opening.
3. Turn the bulb socket counterclockwise and
pull the bulb straight out of the socket.
4. Install the new bulb.
5. Reverse steps1–3toreinstall the license
plate lamp.
477

2. Remove the wing nut (B) used to retain the
tool bag by turning it counterclockwise.
3. Turn the knob (A) on the jack
counterclockwise to release the jack and
wheel blocks from the bracket.
4. Remove the wheel blocks and the wheel
block retainer by turning the wing nut (C)
counterclockwise.The tools you will be using include the following:
A. Jack
B. Wheel Blocks
C. Jack HandleD. Jack Handle
Extensions
E. Wheel Wrench
508

To access the spare tire, refer to the following
graphics and instructions:
A. Hoist Assembly
B. Hoist Shaft
C. Hoist Shaft Access
Cover/HoleD. Jack Handle
Extensions
E. Wheel Wrench
F. Hoist CableG. Tire Retainer
H. Spare Tire (Valve
Stem Pointed Down)
I. Hoist Shaft
Access HoleJ. Hoist End of
Extension Tool
K. Spare Tire Lock
1. To reach the hoist shaft access cover (C),
you will rst need to remove the hitch cover.
Remove it by turning the two fasteners located
at the bottom of the cover counterclockwise
and then pull the cover down and rotate
towards you.
2. Remove the hoist shaft access cover (C) on
the bumper to access the spare tire lock (K).
509

3. Insert the ignition key, turn it clockwise and
then pull it to remove the spare tire lock.4. Assemble the two jack handle
extensions (D) and wheel wrench (E)
as shown.
510

5. Insert the open end
of the extension (J)
through the hole
in the rear
bumper (I) (hoist
shaft access hole).
Be sure the hoist end (J) of the extension (D)
connects to the hoist shaft (B). The ribbed
square end of the extension is used to lower
the spare tire.
6. Turn the wheel wrench (E) counterclockwise
to lower the spare tire (H) 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 518for more information.7. Use the wheel
wrench hook that
allows you to
pull the hoist cable
towards you, to
assist in reaching
the spare tire.
8. Tilt the tire
retainer (G) at the
end of the cable
when the tire
has been lowered,
so it can be
pulled up through
the wheel opening.
9. Put the spare tire near the at tire.
511

Removing the Flat Tire and
Installing the Spare Tire
Use the following pictures and instructions to
remove the at tire and raise the vehicle.
1. Remove the center cap by placing the chisel
end of the wheel wrench in the slot on the
wheel and gently pry the cap out.2. Use the wheel wrench to loosen all the wheel
nuts. Turn the wheel wrench counterclockwise
to loosen the wheel nuts. Do not remove
the wheel nuts yet.
512