Black plate (19,1)
Buick LaCrosse Owner Manual - 2012
Vehicle Care
10-19
4. With the coolant surge tank cap
off, start the engine and let it run
until the upper radiator hose
starts getting hot. Watch out for
the engine cooling fans. By this
time, the coolant level inside the
coolant surge tank may be
lower. If the level is lower, add
more of the proper mixture to the
coolant surge tank until the level
reaches the mark pointed to on
the front of the coolant
surge tank.
5. Replace the cap. Be sure the
cap is hand
–
tight and fully
seated.
Notice:
If the pressure cap is not
tightly installed, coolant loss and
possible engine damage may
occur. Be sure the cap is properly
and tightly secured.
Engine Overheating
2.4L L4 Engine
There is a engine coolant
temperature warning light on the
instrument panel cluster that
indicates an overheated engine
condition. See
Temperature Warning Light on
page 5
for more information.
3.6L V6 Engine
There is a coolant temperature
gauge and a engine coolant
temperature warning light on the
instrument panel cluster that
indicate an overheated engine
condition. See
and
for
more information.
If the decision is made not to lift the
hood when this warning appears,
get service help right away. See
Roadside Assistance Program
(U.S. and Canada) on page 13
or
Roadside Assistance Program
(Mexico) on page 13
.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.
Then check to see if the engine
cooling fans are running. If the
engine is overheating, the fans
should be running. If not, do not
continue to run the engine and have
the vehicle serviced.
Notice:
Engine damage from
running the engine without
coolant is not covered by the
warranty.