2007 BUICK LACROSSE ac drain

A. Windshield Washer Fluid Reservoir. See
“Adding Washer Fluid” underWindshield
Washer Fluid on page 380.
B. Battery. SeeBattery on page 384.
C. Remote Positive (+) Terminal. SeeJump
Starting on page 385.
D. Passenger Compartment Air Filter. See
Passenger Compartment Air Filter on page 178.
E. Underhood Fuse Block. SeeUnderhood
Fuse Block on page 452.
F. Engine Coolant Recovery Tank. SeeCooling
System on page 370.
G. Radiator Pressure Cap. SeeRadiator Pressure
Cap on page 367.
H. Power Steering Fluid Reservoir (Out of View).
SeePower Steering Fluid on page 378.
I. Electric Engine Cooling Fans. SeeCooling
System on page 370.
J. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 353.
K. Engine Oil Fill Cap. See “When to Add Engine
Oil” underEngine Oil on page 353.
L. Automatic Transaxle Fluid Dipstick. See
“Checking the Fluid Level” underAutomatic
Transaxle Fluid on page 360.M. Engine Coolant Bleed Valve. See “How to Add
Coolant to the Radiator” underCooling
System on page 370.
N. Brake Master Cylinder Reservoir. See “Brake
Fluid” underBrakes on page 381.
O. Engine Air Cleaner/Filter. SeeEngine Air
Cleaner/Filter on page 358.
Engine Oil
Checking Engine Oil
It is a good idea to check the engine oil every time
you get fuel. In order to get an accurate reading,
the oil must be warm and the vehicle must be
on level ground.
The engine oil dipstick handle is a yellow loop.
SeeEngine Compartment Overview on page 350
for the location of the engine oil dipstick.
1. Turn off the engine and give the oil several
minutes to drain back into the oil pan. If you
do not do this, the oil dipstick might not
show the actual level.
2. Pull out the dipstick and clean it with a paper
towel or cloth, then push it back in all the
way. Remove it again, keeping the tip down,
and check the level.
353

Used oil can be a threat to the environment. If you
change your own oil, be sure to drain all the oil from
the lter before disposal. Never dispose of oil by
putting it in the trash, pouring it on the ground, into
sewers, or into streams or bodies of water. Instead,
recycle it by taking it to a place that collects used
oil. If you have a problem properly disposing of
used oil, ask your dealer, a service station or a local
recycling center for help.
Engine Air Cleaner/Filter
The engine air cleaner/lter is located in the
engine compartment on the driver’s side of the
vehicle. SeeEngine Compartment Overview
on page 350for more information on location.
When to Inspect the Engine
Air Cleaner/Filter
Inspect the air cleaner/lter at the MaintenanceII
intervals and replace it at the rst oil change
after each 50,000 mile (83 000 km) interval.
SeeScheduled Maintenance on page 462for
more information. If you are driving in dusty/dirty
conditions, inspect the lter at each engine
oil change.
3.6L V6 Engine shown, 3.8L V6 Engine similar
358

How to Add Coolant to the Cooling
System (3.6L V6 Engine)
Notice:Your engine has a specic cooling
system drain and ll procedure. Failure
to follow this procedure could cause your
engine to overheat and be severely damaged.
If your engine’s cooling system needs to
be drained and re-lled, please see your dealer.
1. You can remove the
pressure cap when
the cooling system,
including the
pressure cap and
upper radiator hose
is no longer hot.
Turn the pressure cap slowly counterclockwise.
If you hear a hiss, wait for that to stop. A hiss
means that there is still some pressure left.
2. Then keep turning the pressure cap and
remove it.
{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.
3. Fill the cooling system with the proper
DEX-COOL
®coolant mixture, up to the base
of the ller neck. SeeEngine Coolant on
page 363for more information about
the proper coolant mixture.
4. Rinse or wipe any spilled coolant from the
engine and the compartment.
377

Electrical System
Add-On Electrical Equipment
Notice:Do not add anything electrical to your
vehicle unless you check with your dealer
rst. Some electrical equipment can damage
your vehicle and the damage would not
be covered by your warranty. Some add-on
electrical equipment can keep other
components from working as they should.
Add-on equipment can drain your vehicle’s battery,
even if your vehicle is not operating.
Your vehicle has an airbag system. Before
attempting to add anything electrical to your
vehicle, seeServicing Your Airbag-Equipped
Vehicle on page 80.
Headlamp Wiring
The headlamp wiring is protected by a circuit
breaker in the underhood fuse block. An electrical
overload will cause the headlamps to go on
and off, or in some cases to remain off. If this
happens, have the headlamp system checked
right away.
Windshield Wiper Fuses
The windshield wiper motor is protected by a
circuit breaker and a fuse. If the motor overheats
due to heavy snow, etc., the wiper will stop
until the motor cools. If the overload is caused by
some electrical problem, have it xed.
449

Capacities and Specications
The following approximate capacities are given in English and metric conversions.
Capacities and Specications
ApplicationCapacities
English Metric
Air Conditioning Refrigerant R134aFor the air conditioning system refrigerant charge
amount, see the refrigerant caution label located
under the hood. See your dealer for more information.
Automatic Transaxle (Drain and Rell) 7.4 qt 7.0 L
Cooling System Including Reservoir
3.6L V6 and 3.8L V6 11.2 qt 10.6 L
Engine Oil with Filter
3.6L V6 5.5 qt 5.2 L
3.8L V6 4.5 qt 4.3 L
Fuel Tank
3.8L Engine (with NU6 emissions) sold new in CA, ME,
VT, NY, MA (see your dealer for bordering states)17.0 gal 64.4 L
3.8L Engine (without NU6 emissions) sold new in all
other states (see your dealer for more information)17.5 gal 66.2 L
3.6L Engines sold new in all states 17.5 gal 66.2 L
Wheel Nut Torque 100 lb ft
140Y
All capacities are approximate. When adding, be sure to ll to the approximate level, as recommended in this
manual. SeeScheduled Maintenance on page 462
454

(h)Change automatic transaxle uid and lter if
the vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C)
or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or
delivery service.
(i)Drain, ush, and rell cooling system. This
service can be complex; you should have
your dealer perform this service. See Engine
Coolant on page 363 for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap,
and ller neck. Pressure test the cooling
system and pressure cap.
(j)Check throttle system for interference or
binding and for damaged or missing parts. Replace
parts as needed. Replace any components that
have high effort or excessive wear. Do not
lubricate accelerator or cruise control cables.(k)A uid loss in any vehicle system could
indicate a problem. Have the system inspected
and repaired and the uid level checked. Add uid
if needed.
(l)If you drive regularly under dusty conditions,
inspect the lter at each engine oil change.
(m)Visually inspect belt for fraying, excessive
cracks, or obvious damage. Replace belt if
necessary.
Owner Checks and Services
These owner checks and services should be
performed at the intervals specied to help
ensure the safety, dependability, and emission
control performance of your vehicle. Your
GM Goodwrench
®dealer can assist you with
these checks and services.
Be sure any necessary repairs are completed at
once. Whenever any uids or lubricants are added
to your vehicle, make sure they are the proper
ones, as shown inRecommended Fluids and
Lubricants on page 470.
466