7. ENGINE REMOVAL/INSTALLATION MXU550EXi/MXU500i Water Hose Temperature Sensor Connector Disconnect the water hose, bleed hose and water temperature sensor connectors from water joint. Bleed Hose Spark Plug Cap Remove the spark plug cap and disconnect the AICV air supply hose from cylinder head. AICV Air Supply Hose Drive Select Lever Guide Rod Remove the bolt/nut from drive select rod. Remove the mounting nuts from the drive select lever guide, then remove the guide and rod. 7-3