Outlander AWD L4-2.4L SOHC (2003)
Radiator Hose: All Technical Service Bulletins
Cooling System - Collapsed Upper Radiator Hose
SOURCE: Mitsubishi Tech Talk Article April/May 2005
TITLE: 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.