1990 Volvo 740

COOLANT DRAIN & FILL LOCATIONS

DRAINING COOLANT: Disconnect vacuum hose from water valve to prevent valve opening fully. Unscrew and remove cap from expansion tank. Disconnect one lead from battery. Remove engine splash guard. Open tap on right side of cylinder block to drain coolant. A hose can be connected to tap to prevent spillage. Disconnect hose at bottom of radiator. Close tap. Reconnect lower radiator hose. Install splash guard and reconnect battery. FILLING COOLANT: NOTE: Capacity = approx. 9.5 liters (10 US qts) . Ensure that vacuum hose is disconnected from water valve. Fill cooling system through expansion tank. Warm-up engine and top-up with coolant. Refit cap on expansion tank. Reconnect hose to water valve. https://www.2carpros.com/kpages/auto_repair_manuals_alldata.htm