154
Drive belt, Coolant
Belt check
Check the accessory belt regularly to make sure it is in good condition
and is clean. A worn or dirty belt can cause poor cooling and low
alternator output as well as impair the operation of the power steering
and the air conditioning unit.
NOTE:
The drive belt is equipped with a self-tensioning mechanism
and requires no adjustment between changes.
WARNING!
The engine must not be running when this check is performed.
Check coolant level
The cooling system must be filled with coolant and not leak to operate
at maximum efficiency. Check the coolant level regularly. The level
should be between the MAX and MIN marks on the expansion
tank. The check should be made with particular thoroughness when the
engine is new or when the cooling system has been drained.
Do not remove the filler cap other than for topping up with coolant.
Frequent removal may prevent coolant circulation between the engine
and the expansion tank during engine warm up and cooling.
Changing coolant
Normally, the coolant does not need to be changed. If the system must
be drained, consult your Volvo retailer.
NOTE:
Do not top off with water only. This reduces the rust-protective
and antifreeze qualities of the coolant and has a lower boiling point. It
can also cause damage to the cooling system if it should freeze. Top off
with Volvo Genuine Coolant/Antifreeze only.
CAUTION:
The cooling system must always be kept filled to the correct level. If
it is not kept filled, there can be high local temperatures in the engine
which could result in damage. Different types of antifreeze/coolant
may not be mixed.
WARNING!
Never remove the radiator cap while the engine is warm. Wait until
the car cools.
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