Subaru 2009 IMPREZA Service Manual page 1917

Air Bleeding of Control Valve
AUTOMATIC TRANSMISSION
19.Air Bleeding of Control Valve
A: GENERAL DESCRIPTION
• When ATF is drained from the automatic trans-
mission, make sure to bleed air from the control
valve after filling with the specified amount of ATF.
• Follow the messages displayed on the Subaru
Select Monitor when working.
B: PROCEDURE
1. PREPARATION FOR AIR BLEEDING
1) Cool down until the ATF temperature displayed
on the Subaru Select Monitor is 60°C (140°F) or
less.
2) Shift the select lever to "P" range.
3) Fully apply the parking brake.
4) Lift up the vehicle.
CAUTION:
While working, be sure to keep the lower edge
of the tires 30 cm or more above the ground as
vehicle will vibrate.
5) Connect the Subaru Select Monitor to data link
connector.
6) Turn the ignition switch to ON.
7) Turn off all switches causing an electrical load,
such as headlights, A/C, seat heater and rear de-
fogger, etc.
2. AIR BLEEDING
CAUTION:
Do not turn the power of the Subaru Select
Monitor OFF during work, and do not discon-
nect the data link connector.
1) Select {Learning and inspection mode related to
AT} in the «Transmission Diagnosis» display
screen of the Subaru Select Monitor.
2) Select {AT air bleeding mode} in the «Learning
and inspection mode related to AT» display screen
of the Subaru Select Monitor.
3) Follow the messages displayed on the Subaru
Select Monitor screen when working.
NOTE:
When "AT air bleeding in progress", the "AT OIL
TEMP" light in the combination meter will flash at 2
Hz, and air bleed will start. When the indicator light
flashing at 2 Hz turns off, the following message will
appear on the screen.
4AT-61