HOLDEN WH II 2002 Series Owner's Handbook Manual page 106

engines
V8
When the engine is cold the coolant level
should be at or slightly above the 11COLD
FILL11 mark at the centre weld joint. After
the car has been driven and the engine is
at normal operating temperature the level
should be between the centre weld joint
and the cap. If the coolant level is correct,
do not undo the cap.
If the level is too low, cover the cap with a
thick cloth and slowly turn anti-clockwise.
With the coolant cap OFF, top up the
coolant tank if required WHILE THE
ENGINE IS IDLING and replace the cap.
Leave the engine idling for a few minutes
while the level 11Settles11•
Do not overfill, as coolant requires space to expand when warmed up.
All engines
If after taking one or more of the above actions the temperature gauge no longer signals
an overheat condition you can resume driving at a reduced speed. Return to normal
driving after ten minutes if the temperature gauge does not again show an overheat
condition. If overheating occurs again you should have the car attended to, as soon as
possible, by a qualified mechanic.
The engine may temporarily operate at high temperatures during demanding operating
conditions, especially on hot days, including: climbing a long hill; stopping immediately
after high speed driving; idling for long periods in traffic; towing a heavily laden trailer
or caravan.
You should avoid driving for prolonged periods in any of the above conditions if the
temperature gauge shows 11hOt11• It may help to turn off the air conditioner in these
conditions. Chapter 7 gives instructions to help protect your cooling system from
overheating.
Air bleeding: all V6 engines (including supercharged)
These engines have bleeder vents to let any trapped air escape from the cooling
system. Air bleeding should be done if a significant amount of coolant has been added,
otherwise the engine may overheat. This is particularly important if the engine is
supercharged, as these engines have
It is recommended that air bleeding be done by your Holden Dealer, who has the most
up-to-date technical information and equipment on the system. You should have the air
as soon as possible
bled
overheating.
If you have to drive the car before the air bleeding is done, ensure the coolant level in
the radiator is as high as possible. This involves constantly checking and topping up the
level. It is recommended you reduce load on the power train, i.e., reduce driving speed,
don't tow heavy loads or heavily load the car until the air is bled.
ENGINE OVERHEATING cont.
three
on supercharged engines or they may be damaged due to
Chapter 6
EMERGENCIES
air bleed points.
6-11
I