Volvo S90 2019 Owner's Manual page 608

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Table of Contents

MAINTENANCE AND SERVICE

Topping up coolant

The coolant cools the internal combustion

engine to the correct operating temperature.

The heat that is transferred from the engine

to the coolant can be used to heat the pas-

senger compartment.

When topping up the coolant, follow the

instructions on the packaging. Never top up

with water only. The risk of freezing increases

with both too little and too much coolant con-

If there is coolant under the car, if there is

coolant smoke, or if more than 2 litres (approx.

2 quarts) have been filled, always call for

recovery to avoid the risk of engine damage

due to a defective cooling system when

attempting to start the car.

The coolant may be very hot. Never open

the cap when the coolant is hot. If a top-up

is required, unscrew the expansion tank

cap slowly to allow any overpressure to

Coolant expansion tank, left-hand drive car

Screw off the cap in 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.

Coolant expansion tank, right-hand drive car