Volvo S40 - Manual (Page 153)

2003 Volvo S40 & V40
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.
Capacity: Approx. 6 US qts. (5.7 liters)
Coolant: Volvo Genuine Coolant/Anti-freeze only (50/50 water antifreeze mix).
NOTE: Do not top up with water only. Water by itself 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.
WARNING!
If the engine is warm and you are going to top up coolant, unscrew the coolant expansion tank cap
slowly in order to allow any excess pressure to escape.
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.
Automatic belt tensioner
The drive belts have an automatic belt tensioner. Belt tension can not be adjusted. Do not attempt to
check the belts yourself. It will be checked in connection with workshop service.
Leave belt replacement to the retailer
It is advisable to let your retailer do this work.
pg. 118 Washer fluid reservoir
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