2003 BUICK LESABRE clock

2. Then keep turning the pressure cap, but now push
down as you turn it. Remove the pressure cap.
3. Remove the 3800 Series II V6 engine cover shield
to access the bleed valve.3.1. Clean the area around the engine oil ®ll tube
and cap before removing. Twist the oil ®ll
tube, with cap attached, counterclockwise
and remove it.
3.2. If you have the supercharged engine,
remove the nut in the center of the cover
shield.
3.3. Lift the engine cover shield at the front, slide
the catch tab out of the engine bracket and
remove the cover shield.
3.4. Put the oil ®ll tube, with cap attached, in the
valve cover oil ®ll hole until you're ready to
replace the cover shield.
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4. After the engine cools,
open the coolant air
bleed valve. There
is one bleed valve. It is
located on the
thermostat housing.5. Fill the radiator with the proper DEX-COOLž
coolant mixture, up to the base of the ®ller
neck. SeeEngine Coolant on page 5-23for more
information about the proper coolant mixture.
If you see a stream of coolant coming from an air
bleed valve, close the valve. Otherwise, close
the valve after the radiator is ®lled.
6. Rinse or wipe any spilled coolant from the engine
and the compartment.
7. Replace the 3800 Series II V6 engine cover shield.
7.1. Remove the oil ®ll tube, with cap attached,
from the valve cover.
7.2. Insert the catch tab on the cover shield
under the bracket on the engine.
7.3. Place the hole in the cover shield over the
hole in the valve cover. Install oil ®ll tube and
cap by twisting clockwise.
7.4. If you have the supercharged engine, install
the nut in the center of the cover shield.
5-33

4. Turn the bulb retainer counterclockwise to remove it
from the bulb assembly.
5. Pull the old bulb straight out from the retainer. Push
the new bulb straight into the retainer.
6. Reverse Steps 1 through 4 to reinstall the headlamp
assembly.
Front Turn Signal Lamps
Once the headlamp assembly has been removed from
the vehicle, the front turn signal bulbs can be
accessed.
1. Reach down into the space provided by the
removal of the headlamp assembly and, while
pushing in the tab on the bulb assembly, turn the
assembly counterclockwise and remove it.
2. Remove the old bulb by pulling it straight out of the
retainer.
3. Install the new bulb and turn the bulb assembly
back into place.
Taillamps, Turn Signal, and
Stoplamps
1. Open the trunk. Turn the screws located just inside
of the trunk counterclockwise and remove them.
2. Remove the plastic trim piece from the trunk.
3. Pull the carpet away from the rear area to access
the turn signal bulb assembly.
4. Loosen and remove the bolts that hold the assembly
in place.
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5. Pull out the bulb assembly.6. Turn the bulb socket
one-quarter turn
counterclockwise, while
pressing it ®rmly.
7. Pull the bulb socket straight out of the assembly.
8. Remove the old bulb by pulling it straight out.
9. Replace with a new bulb by pushing the bulb
straight into the socket until the bulb clicks into
place.
10. Turn the bulb socket one-quarter turn into the
assembly to lock it back into place.
11. Reverse Steps 1 through 5 to reinstall the bulb
assembly.
5-54

3. Push in the tab and turn the bulb socket
counterclockwise to remove it.
4. Remove the bulb by pulling it straight out.
5. Replace the bulb and reverse the steps to install
the assembly.
Replacement Bulbs
Exterior Lamp Bulb Number
Front
Low Beam Headlamps 9006
High Beam Headlamps 9005
Front Turn Signals 3157
Rear
Trunk Mounted Back-Up Lamps 3057
Trunk Mounted Taillamps 194
Tail/Stop/Turn Signal Lamps 3357
For any bulb not listed here contact your dealer.
5-56

Removing the Flat Tire and Installing
the Spare Tire
1. Use the wheel wrench to loosen the wheel nuts, but
don't remove them yet.
2. The jack has a bolt at the end. Attach the wheel
wrench to the bolt to create a jack handle.3. Turn the wheel wrench counterclockwise to lower
the jack head until it ®ts under the vehicle.
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5. Raise the vehicle by turning the wheel wrench
clockwise in the jack. Raise the vehicle far
enough so there's enough room for the spare tire to
®t under the wheel well.
6. Remove all the wheel nuts and take off the ¯at tire.7. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.
{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.
5-72

{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.
8. Place the compact spare tire on the wheel-mounting
surface.
9. Reinstall the wheel
nuts with the rounded
end of the nuts
toward the wheel.
Make sure each wheel
stud is centered in
each wheel hole while
tightening the nuts.
Tighten each nut
by hand until the
wheel is held against
the hub.
10. Lower the vehicle by turning the wheel wrench
counterclockwise on the jack. Lower the jack
completely.11. Tighten the wheel nuts
®rmly in a crisscross
sequence.
{CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to come loose
and even come off. This could lead to an
accident. Be sure to use the correct wheel
nuts. If you have to replace them, be sure to
get new GM original equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with a torque wrench to the
proper torque speci®cation. See ªCapacities
and Speci®cationsº in the Index for wheel nut
torque speci®cation.
5-73