Radiator Pressure Cap (3.8L V6 Engine); Coolant Surge Tank Pressure Cap (4.6L V8 Engine); Engine Overheating (3.8L V6 Engine) - Pontiac 2005 Bonneville Owner's Manual

CAUTION:
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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. Do not spill coolant on a hot engine.
When replacing the pressure cap, make sure the arrow
lines up with the tube.
Radiator Pressure Cap
(3.8L V6 Engine)
Notice: The radiator cap on your vehicle is a
pressure-type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrows on the cap line
up with the overflow tube on the radiator filler neck.
See Engine Compartment Overview on page 5-12
for more information on location.
5-36
Coolant Surge Tank Pressure Cap
(4.6L V8 Engine)
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.
See Engine Compartment Overview on page 5-12 for
more information on location.

Engine Overheating (3.8L V6 Engine)

You will find a coolant temperature gage or a DIC
warning message about a hot engine on your vehicle's
instrument panel. See Engine Coolant Temperature
Gage (V6 Engine) on page 3-45 or Engine Coolant
Temperature Gage (V8 Engine) on page 3-46 and
DIC Warnings and Messages on page 3-62.