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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Units - Removal, Replacement And Installation >> Engine Coolant Heater, Fuel Driven (1999-2001) >> Water pump engine coolant heater, replacing >> Finishing >> Testing the engine coolant heater

Testing the engine coolant heater

Test run the engine coolant heater. See Engine coolant heater, test running .

NOTE: The water pump may beep for a short while due to air in the system. Check the coolant level in the expansion tank. Top up if necessary.