Subaru 2009 IMPREZA Service Manual page 1907

14.Front Vehicle Speed Sensor
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Remove the air intake chamber. (Non-turbo
model) <Ref. to IN(H4SO)-7, REMOVAL, Air Intake
Chamber.>
4) Remove the intercooler. (Turbo model)
<Ref. to IN(H4DOTC)-13, REMOVAL, Intercool-
er.>
5) Disconnect the transmission harness connector.
(A)
(A) Transmission harness connectors
6) Remove the pitching stopper. <Ref. to 4AT-44,
REMOVAL, Transmission Mounting System.>
7) Remove the transmission harness connector
from stay.
8) Lift up the vehicle.
9) Clean the transmission exterior.
10) Remove the drain plug (ATF) to drain ATF.
CAUTION:
Directly after the vehicle has been running or
the engine has been long idle running, the ATF
is hot. Be careful not to burn yourself.
11) Perform replacement with a new gasket, and
tighten the drain plug (ATF).
Tightening torque:
25 N·m (2.5 kgf-m, 18.4 ft-lb)
(A) Oil pan
(B) Drain plug (ATF)
Front Vehicle Speed Sensor
AT-04527
(A)
(B)
AT-04829
4AT-51
AUTOMATIC TRANSMISSION
12) Remove the front, center and rear exhaust
pipes and the muffler. (Non-turbo model)
<Ref. to EX(H4SO)-6, REMOVAL, Front Exhaust
Pipe.> <Ref. to EX(H4SO)-9, REMOVAL, Center
Exhaust Pipe.> <Ref. to EX(H4SO)-10, REMOV-
AL, Rear Exhaust Pipe.> <Ref. to EX(H4SO)-12,
REMOVAL, Muffler.>
13) Remove the center and rear exhaust pipes and
the muffler. (Turbo model) <Ref. to EX(H4DOTC)-
8, REMOVAL, Center Exhaust Pipe.> <Ref. to
EX(H4DOTC)-13, REMOVAL,
Pipe.> <Ref. to EX(H4DOTC)-15, REMOVAL, Muf-
fler.>
14) Remove the heat shield cover.
15) Remove the propeller shaft. <Ref. to DS-10,
REMOVAL, Propeller Shaft.>
16) Place the transmission jack under the transmis-
sion.
NOTE:
Make sure that the support plate of transmission
jack does not touch the cross.
17) Remove the transmission rear crossmember
bolt.
18) Lower the transmission jack.
NOTE:
Do not separate the transmission jack and trans-
mission.
19) Remove the ATF inlet and outlet pipes.
CAUTION:
When removing the outlet pipe, be careful not
to lose the ball and spring used together with
the retaining screw.
Rear Exhaust
AT-04522
AT-00043