SERVICING
20
Check the coolant level
To be able to function with maximum
efficiency, the cooling system must be
well filled and must not leak.
Check the coolant level when tanking.
The level should be between the "Max"
and "Min" marks on the expansion tank.
When the engine is new or the cooling
system
has
been emptied, this check
should be carried out with particular
thoroughness.
Topping up the coolant.
Topping up the coolant is carried out by filling the expansion tank
when its level drops down to the "Min" mark. Top up with sufficient
fluid so that the level reaches up to the "Max" mark. Use genuine
Volvo coolant.
Note: Do not top up only with water, especially in the wintertime.
Water alone reduces both the rust-proofing qualities of the coolant as
well as its anti-frost effectiveness.
21
Change coolant
The coolant retains its properties for about one year, when it should
be changed.
When draining the cooling system, open the cock on the
engine and loosen the plug under the radiator. The expansion tank is
emptied by lifting it up from the brackets and holding it up so high
that the water runs into the radiator.
Before filling
with new coolant, the entire system should be flushed
with clean water. The coolant is filled through the opening on the radia-
tor,
but the heater control must be set at "Max" heat so that the
entire system can be filled. Fill the radiator to the top and put on the
cap.
Then fill the expansion tank to the "Max" mark or just above.
Run the engine warm and then check to make sure that the radiator
is
completely full and that the level in the expansion tank lies between
the "Min" and "Max" marks.
The capacity of the cooling system is 8.6 litres (15
1
/s
I
mp. pints =
40
18
1
/s
US pints), when the coolant in the expansion tank is at the "Max"
mark.
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