Volvo XC 90 Owner's Manual page 428

WHEELS AND TIRES
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CAUTION
•
High levels of chlorine, chlorides and
other salts may cause corrosion in the
cooling system.
•
Only use coolants with corrosion protec-
tion recommended by Volvo.
•
The ratio of coolant to water is 50/50.
•
Mix the coolant with tap water of drinka-
ble quality.
•
If maintenance is performed on the cool-
ing system or if the coolant is replaced,
flush the cooling system with clean water
before adding new a new coolant/water
mixture.
•
The engine may only be operated with a
properly filled cooling system. Otherwise,
high temperatures and cracks in the cyl-
inders may occur.
Related information
•
Coolant specifications and volumes (p. 482)
426