Pontiac Sunbird Owner's Manual page 214

2. Add the coolant mix to the thermostat
housing until the level reaches the
thermostat housing cap seat.
3. Put in the thermostat. Be sure it is
fully seated.
4. Put on the thermostat housing
pressure cap. When it's tight, the
arrows on the pressure cap should
line up with the radiator inlet hose on
the thermostat housing.
Adding Coolant-3.lL V6 Engine
To Check Coolant:
When your engine
is
cold, the coolant
level should be at FULL COLD,
or a
little higher.
I
4
Turning the coolant surge t a n k
L
pressure cap when the engine
and the radiator are hot can allow
steam and scalding liquids to blow
out and burn you badly. Never turn
the surge tank pressure cap-even
a little-when the engine and
radiator are hot.
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. Don't spill coolant
on a hot engine.
213