Cooling System - Collapsed Upper Radiator Hose
SOURCE: Mitsubishi Tech Talk Article April/May 2005TITLE: Collapsed Upper Radiator Hose
APPLIES TO: 2003-05 Lancer, Outlander
SERVICE TIP:
If the radiator cap's vacuum valve is stuck closed from corrosion, it may cause the upper radiator hose to collapse. Change the coolant and replace the radiator cap. Do not replace the thermostat for a collapsed hose.