Volvo XC90 2015-2021 Owners Manual / Maintenance and service / Refilling coolant

Volvo XC90: Maintenance and service / Refilling coolant

When refilling coolant, follow the instructions on the package. Never fill the cooling system with only water. The risk of freezing is increased with too low or too high amounts of coolant.

If there is coolant under the vehicle, smoke from the cooling system, or if more than 2 liters (about 2 quarts) of coolant has been added to the system, there could be something wrong with the cooling system and starting the vehicle could damage the engine. Call a tow truck and do not attempt to start the engine.

WARNING

The coolant may be very hot. Never unscrew the cap when the coolant is hot. If coolant must be filled, unscrew the expansion tank cap slowly to relieve overpressure.

Volvo XC90. Refilling coolant

Coolant expansion tank

Volvo XC90. Refilling coolant

Volvo XC90. Refilling coolant

Volvo XC90. Refilling coolant

Volvo XC90. Refilling coolant Lift the rubber strip by pressing it inward into the engine compartment.

Volvo XC90. Refilling coolant Remove the plastic cover by folding out the catch and lifting the cover upward.

Volvo XC90. Refilling coolant Unscrew the expansion tank cap and fill coolant as needed. The level should be between the MIN and MAX marks on the expansion tank.

CAUTION

  • Do not ingest the contents. May cause damage to organs (kidneys).
  • Use premixed coolant according to Volvo's recommendations. If concentrated coolant is used, make sure that the coolant mixture is 50% coolant and 50% water of acceptable quality.
  • Do not mix different types of coolant.
  • To help ensure sufficient corrosion protection in the system, only use new coolant when replacing larger components in the cooling system.
  • Never run the engine unless the cooling system is properly filled. An improperly filled cooling system could lead to high temperatures and cracks in the cylinder heads.
  • High levels of chlorine, chlorides and other salts may cause corrosion in the cooling system.

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