Volvo XC90 Twin Engine 2019, Owner'S Manual

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MAINTENANCE AND SERVICE
624
Coolant expansion tank.
Lift off the rubber strip by pressing it inward
in the engine compartment.
Detach the flap in the plastic cover by folding
out the release catch and turning the flap
upward.
Screw off the cap and top up with coolant if
necessary. The coolant level must lie
between the
MIN and MAX marks on the
expansion tank.
IMPORTANT
•
Harmful if ingested. May cause organ
(kidney) damage.
•
Use ready-mixed coolant as recom-
mended by Volvo. If concentrated liquid 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 compo-
nents to ensure the system has sufficient
corrosion protection.
•
The engine must only be run with a well-
filled cooling system. Otherwise, tempera-
tures that are too high may occur result-
ing 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 — specifications (p. 675)