How to Add Coolant to the Radiator- Page 220

First Edition for Buick LeSabre Owner’s Manual – 1999

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H–45–0326–T

4. Then fill the coolant recovery tank to the FULL

COLD mark.

5. Put the cap back on the coolant recovery tank, but

leave the radiator pressure cap off.

H–45–0329–T

6. Start the engine and let it run until you can feel the

upper radiator hose getting hot. Watch out for the
engine cooling fans.

7. By this time, the coolant level inside the radiator

filler neck may be lower. If the level is lower, add
more of the proper DEX

-

COOL

R

 coolant mixture

through the filler neck until the level reaches the
base of the filler neck.