2003 Pontiac Bonneville Owner's Manual - Page 298
2003 Pontiac Bonneville Manual
Page 298 highlights
9. Put the cap back on the coolant recovery tank, but leave the radiator pressure cap off. 11. 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@ coolant mixture through the filler neck until the level reaches the base of the filler neck. 12. Then replace the pressure cap. At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. IO. Start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fans. Be sure the arrow on the pressure cap lines up like this. 5-39
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 |
 |
9.
Put
the
cap
back
on the coolant recovery tank, but
leave the radiator pressure cap
off.
11.
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@
coolant mixture
through the filler neck until the level reaches
the base
of
the filler neck.
12.
Then replace the
pressure cap. At
any
time during this
procedure
if
coolant
begins to
flow
out
of
the filler neck,
reinstall the
pressure cap.
IO.
Start
the engine and let it run until you can
feel the
upper radiator hose getting hot.
Watch
out for the
engine cooling fans.
Be sure the arrow on the pressure cap lines
up like this.
5-39