Subaru Legacy 2003 Service Manual page 1755

EXHAUST
7. Variable Muffler Control Unit
A: REMOVAL
NOTE:
This unit is equipped only for MT vehicles.
1) Disconnect the ground cable from battery.
2) Remove the rear quarter trim. <Ref. EI-42 RE-
MOVAL, Rear QUARTER Trim.>
3) Loosen the lock nut (A) which holds control ca-
ble, and then remove the cable (B).
4) Disconnect the variable muffler control unit and
connector (C) of actuator.
5) Remove the variable muffler control unit, actua-
tor and bracket as a unit.
(C)
B: INSTALLATION
Install in the reverse order of removal.
C: ADJUSTMENT
Adjust the free play of control cable with lock nut
(A).
Inner cable free play when pressed with finger:
2.0 mm (0.08 in)
VARIABLE MUFFLER CONTROL UNIT
FU-00009
(A)
(B)
EX-00094
(A)
EX-00095
EX(H4DOSTC)-14
D: INSPECTION
Turn the ignition switch ON (engine OFF), and then
check that the actuator moves smoothly and does
not make abnormal noise.