If the pressure cap is not tightly installed,; coolant loss and possible engine damage may; occur. Be sure the cap is properly and tightly- Page 317

2011 Buick lucerne User Manual

Model Year
2014 Dodge Charger SRT Owner Manual

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Black plate (31,1)

Buick Lucerne Owner Manual - 2011

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.

3. Fill the coolant surge

tank with the proper
mixture to the FULL
COLD mark on the
side of the coolant
surge tank.

4. With the coolant surge tank cap off, start the

engine and let it run until you can feel the upper
radiator hose 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 FULL COLD mark
on the side of the coolant surge tank.

5. Then replace the cap. Be sure the cap is

hand

tight and fully seated.

If coolant is needed, add the proper DEX-COOL

®

coolant mixture at the coolant recovery tank.

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 Coolant (3.9L Engine)

The cooling system in the vehicle is filled with
DEX-COOL

®

engine coolant. This coolant is designed

to remain in the vehicle for five years or 150,000 miles
(240 000 km), whichever occurs first.

The following explains the cooling system and how
to check and add coolant when it is low. If there is
a problem with engine overheating, see

Engine

Overheating on page 6

35

.

6-31

Detailed Information for 2011 Buick lucerne User Manual

Lists of information found in 2011 Buick lucerne User Manual - Page 317

  • 1. Turn the pressure cap slowly counterclockwise.
  • 2. Then keep turning the cap and remove it.
  • 3. Fill the coolant surge tank with the proper mixture to the FULL COLD mark on the side of the coolant surge tank.
  • 4. With the coolant surge tank cap off, start the engine and let it run until you can feel the upper radiator hose getting hot.
  • 5. Then replace the cap.
  • 3.9L Engine) The cooling system in the vehicle is filled with DEX-COOL ® engine coolant.

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