Subaru Legacy 2003 Service Manual page 3451

HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
7. Heater Unit
A: REMOVAL
1) Disconnect ground cable from battery.
2) Pull out LLC.
3) Remove air cleaner case.
4) Release heater hose clamps in engine compart-
ment to remove the hoses.
5) Remove A/C unit. <Ref. to AC-40, Intake Unit.>
6) Using a Torx wrench, remove airbag control unit.
HEATER UNIT
7) Disconnect connector of airbag main harness
near steering support beam.
AC-00272
8) Loosen bolts and nuts of support beam to re-
move support beam.
9) Disconnect servo connector.
10) Loosen bolts and nuts of heater unit to remove
heater unit.
AC-00273
B: INSTALLATION
Install in the reverse order of removal.
AC-30
AC-00274
AC-00275