lock BUICK PARK AVENUE 2004 Manual PDF

How to Add Coolant to the Radiator
1. You can remove the radiator pressure cap when
the cooling system, including the radiator pressure
cap and upper radiator hose, is no longer hot.
Turn the pressure cap slowly counterclockwise until
it rst stops. Do not press down while turning the
pressure cap.
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, 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.
5-34

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 are ready to
replace the cover shield.
4. After the engine cools,
open the coolant air
bleed valve. There is
one bleed valve.
It is located on the
thermostat housing.
5-35

5. Fill the radiator with the proper DEX-COOL®coolant
mixture, up to the base of the ller neck. See
Engine Coolant on page 5-25for 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.
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.
5-36

1. Remove the thumb screws by turning them
counterclockwise.2. Pull the headlamp assembly away from the vehicle.
5-52

3. Remove the bulb
socket by turning it
one-quarter turn
counterclockwise,
while pressing it rmly.
Then pull it out.
You can use a tool to
remove the bulb
socket if you are
unable to do it by
hand.
4. Remove the wire connector from the bulb by
lifting the lock tab and pulling it away from the
plastic base.
5. Replace the old bulb with a new bulb. Make sure not
to touch the new bulb element with your ngers, as
the oils on your hands will reduce bulb life.6. Reverse Steps 1 through 4 to reassemble the
headlamp assembly.
When reassembling, make sure to align the pin at the
outboard edge of the headlamp assembly to the
plastic retainer at the outboard edge of the vehicle.
5-53

Front Turn Signal Lamps
1. Once the headlamp assembly has been removed,
reach down from the top of the vehicle, and while
pressing the lock tab on the socket, turn the socket
one-quarter turn counterclockwise and pull it out.
2. Remove the old bulb
by pulling it straight out
of the socket.
3. Replace the bulb and turn the bulb assembly back
into place.
Rear Turn Signal, Stoplamps and
Back-Up Lamps
5-54

6. Pull the taillamp assembly away from the trunk lid.
The bulbs are located on the back side of the
assembly.7. Turn the bulb socket
one-quarter turn
counterclockwise and
pull it out. You can
use a tool to remove
the bulb socket if
you are unable to do it
by hand.
5-57

8. Once the socket has
been removed, pull the
bulb straight out to
remove it from
the socket.
9. Replace it with a new bulb.
10. Reverse Steps 1 through 8 to reinstall the taillamp
assembly.Rear Quarter Panel Turn Signal and
Stoplamps
1. Open the trunk.
2. On either side of the rear of the trunk is a plastic
retainer that holds the cargo net and taillamp
assembly in place. Unhook the cargo net from the
cargo net retainer and remove the retainer by
turning it counterclockwise.
3. Remove the plastic
retaining screws on the
trunk’s interior.
4. Pull back the trunk trim panel.
5-58

7. Remove the bulb
socket assembly by
turning the socket
one-quarter turn
counterclockwise and
pulling it out.
8. Once the socket has
been removed, pull the
bulb straight out to
remove it from
the socket.9. Replace it with a new bulb.
10. Reverse Steps 1 through 8 to reinstall the taillamp
assembly.
Replacement Bulbs
Lamp Bulb Number
High Beam Headlamp 9005
Low Beam Headlamp 9006
Parking/Turn, Front 3057
Back-Up 3057
Tail/Turn 194
Tail/Stop 3057
For any bulb not listed here contact your dealer.
5-60

Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking. See “Wiper Blade
Check” underPart B: Owner Checks and Services on
page 6-19for more information.
Replacement blades come in different types and are
removed in different ways. For proper type and length,
seeNormal Maintenance Replacement Parts on
page 5-109.
To replace the wiper blade assembly, do the following:
1. Position the wipers on the windshield in the
“mid” wipe position.
2. Lift the windshield wiper arm away from the
windshield. The windshield wiper does not have a
locking upright position feature.3. Push the tab on the wiper blade assembly and pull
the assembly down enough to release it from the
U-hooked end of the wiper arm. Slide the assembly
away from the arm.
4. Replace the blade.
5. To reinstall the wiper blade assembly, slide it over
the wiper arm to engage the U-hooked end on the
wiper blade assembly. Pull up on the assembly
to lock it into place.
5-61