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Expansion Tank.A container that holds engine coolant.
Engine Coolant Expansion TankA failed expansion tank can cause the cooling system in your 2020 Volvo S90 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.
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Chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm may be present in automotive service, replacement parts and fluids. For more information, go to Cancer and Reproductive Harm. www.P65Warnings.ca.gov
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