Subaru Impreza 2003 Service Manual page 2747

10.Heater Core
A: REMOVAL
1) Remove the heater and cooling unit. <Ref. to
AC-34, REMOVAL, Heater and Cooling Unit.>
2) Loosen the screws to remove the heater core
cover.
3) Remove the heater core.
B: INSTALLATION
Install in the reverse order of removal.
HEATER CORE
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
AC-00622
AC-00623
AC-29