clock BUICK LUCERNE 2007 Owner's Guide

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.
8. Then ll the coolant recovery tank to the
FULL COLD mark.
9. Put the cap back on the coolant recovery tank,
but leave the radiator pressure cap off.10. Start the engine and let it run until you can
feel the upper radiator hose getting hot.
Watch out for the engine cooling fans.
11. By this time, the coolant level inside the
radiator ller neck may be lower. If the level is
lower, add more of the proper DEX-COOL
®
coolant mixture through the ller neck until the
level reaches the base of the ller neck.
12. Then replace the pressure cap. At any time
during this procedure if coolant begins to ow
out of the ller neck, reinstall the pressure
cap. Be sure the arrow on the pressure
cap lines up properly.
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Notice:In cold weather, water can freeze and
crack the engine, radiator, heater core and
other parts. Use the recommended coolant and
the proper coolant mixture.
{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.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.
1. Turn the pressure cap slowly
counterclockwise. If you hear a hiss, wait for
that to stop. A hiss means there is still
some pressure left.
2. Then keep turning the cap and remove it.
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6. Turn on the low-beam headlamps and place a
piece of cardboard or equivalent in front of the
headlamp not being adjusted. Do not place
directly on the headlamp. This allows only the
beam of light from the headlamp being
adjusted to be seen on the at surface.
7. Locate the vertical headlamp aiming screws,
which are under the hood near each headlamp
assembly.
The adjustment screw can be turned with a
6 mm male hex.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.
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To replace one of these bulbs, do the following:
1. Open the trunk. SeeTrunk on page 106
for more information.
2. Remove the convenience net, if the vehicle
has one.
3. Remove the plastic wing nuts retaining the
trunk trim.
4. Pull back the trunk trim.
5. Remove the three hex nuts holding the
taillamp assembly in place.6. Pull out the taillamp assembly.
7. Turn the bulb socket counterclockwise and
pull it straight out to remove it.
8. Replace the old bulb with a new one.
9. Turn the bulb socket clockwise to reinstall.
10. Reverse these steps to reinstall the taillamp
assembly.
When reinstalling the taillamp assembly, make
sure the plastic pin on the taillamp assembly
lines up and is inserted correctly into the
opening of the vehicle.
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Taillamps and Back-Up Lamps
A. Taillamp
B. Back-up Lamp
To replace an auxiliary taillamp or back-up lamp
bulb, do the following:
1. Open the trunk. SeeTrunk on page 106for
more information.2. Remove the three fasteners from the
trunk trim.
3. Pull back the trunk trim to access the bulbs.
4. Turn the bulb socket counterclockwise to
remove it.
5. Pull the bulb straight out.
6. Replace the bulb and reinstall it in the
assembly by turning it clockwise.
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License Plate Lamp
To replace one of these bulbs, do the following:
1. Remove the license plate.
2. Reach up through the opening above the
license plate to access the two license
plate lamps.
3. Turn the socket counterclockwise to remove.
4. Grasp the bulb in the socket and pull
straight out.
5. Push the bulb straight into the socket until it
clicks to secure it.
6. Reverse Steps 1 through 3 to reinstall the
bulb socket.
Replacement Bulbs
Exterior Lamps Bulb Number
Back-up Lamp 921
Sidemarker, License Plate Lamp,
and Auxiliary Taillamp194
Stoplamp, Taillamp, and Turn
Signal Lamp3057K
For replacement bulbs not listed here, contact
your dealer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected for
wear or cracking. SeeScheduled Maintenance
on page 442.
It is a good idea to clean or replace the wiper
blade assembly on a regular basis or when worn.
For proper windshield wiper blade length and
type, seeNormal Maintenance Replacement Parts
on page 453.
383

Removing the Spare Tire and Tools
The equipment you will need is located in the
trunk.
1. If your vehicle has a
center retainer, turn
it counterclockwise
to remove it.
2. Lift and remove the compact spare tire cover.3. Remove the washer and retainer that holds
down the jack and wheel wrench.
4. Remove the jack container with the jack and
the wheel wrench.
5. Remove the spare tire from the vehicle. See
Compact Spare Tire on page 418for more
information.
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The tools you will be using include the jack (A)
and the wheel wrench (B).
Removing the Flat Tire and
Installing the Spare Tire
1. Place the wheel wrench securely over the
wheel nut. Turn the wheel wrench
counterclockwise to loosen all the wheel nuts,
but do no remove them yet.
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2. Turn the jack handle clockwise to raise the
jack lift head.
{CAUTION:
Raising your vehicle with the jack
improperly positioned can damage the
vehicle and even make the vehicle fall. To
help avoid personal injury and vehicle
damage, be sure to t the jack lift head
into the proper location before raising the
vehicle.
3. Put the jack into the ange in the frame which
is located near each wheel well. The anges
are accessible through openings in the
plastic trim at the bottom of the vehicle. The
front opening is about 8 inches (20 cm)
back from the front wheel well. The rear
opening is about 3 inches (8 cm) forward from
the rear wheel well.
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4. Position the jack and raise the jack head
until it ts rmly on the ridge in the vehicle’s
frame nearest the at tire. Do not raise
the vehicle yet.
5. Put the compact spare tire near the at tire.
{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.6. Raise the vehicle by turning the jack handle
clockwise. Raise the vehicle far enough off
the ground for the compact spare tire to
t under the vehicle.
412