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MAINTENANCE AND SERVICE
625
Coolant expansion tank
Open the lid on the plastic cover.
Screw off the cap and top up with coolant
if necessary. The coolant level must not
exceed the yellow MAX mark inside the
expansion tank.
Reinstall the parts in reverse order.
IMPORTANT
•
Harmful if ingested. May cause organ
(kidney) damage.
•
Use ready-mixed coolant as recom-
mended by Volvo. If concentrated liq-
uid is used, make sure that the ratio is
50 % coolant to 50 % water of an
approved quality.
•
Do not mix different coolants.
•
Only new coolant should be used
when replacing major cooling system
components to ensure the system has
sufficient corrosion protection.
•
The engine must only be run with a
well-filled cooling system. Otherwise,
temperatures that are too high may
occur resulting in the risk of damage
(cracks) in the cylinder head.
•
A high content of chlorine, chlorides
and other salts may cause corrosion in
the cooling system.
Related information
•
Engine compartment overview (p. 620)
•
Coolant (p. 624)
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