Subaru Impreza 2003, Service Manual

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5MT-72
MANUAL TRANSMISSION AND DIFFERENTIAL
TRANSMISSION CASE
12) Remove the weight and screw in the retainer
without O-ring on upper side and stop at the point
where slight resistance is felt.
NOTE:
At this point, the backlash between hypoid gear
and drive pinion shaft is zero.
ST
499787000 WRENCH ASSY
13) Fit the lock plate. Loosen the retainer on the
lower side by 1-1/2 notches of lock plate and turn in
the retainer on upper side by the same amount in
order to obtain the backlash.
NOTE:
The notch on the lock plate moves by 1/2 notch if
the plate is turned upside down.
14) Turn in the retainer on the upper side addition-
ally by 1 notch in order to apply preload on taper
roller bearing.
15) Tighten temporarily both the upper and lower
lock plates and mark both holder and lock plate for
later readjustment.
16) Turn the transmission main shaft several times
while tapping around the retainer lightly with plastic
hammer.
17) Inspect and adjust the backlash and tooth con-
tact of hypoid gear. <Ref. to 5MT-107, INSPEC-
TION, Front Differential Assembly.>
18) After checking the tooth contact of hypoid
gears, remove the lock plate. Then loosen the re-
tainer until the O-ring groove appears. Fit the O-
ring into groove and tighten the retainer into the po-
sition where retainer has been tightened in.
Tighten the lock plate.
NOTE:
Carry out this job on both upper and lower retain-
ers.
Tightening torque:
T: 25 N·m (2.5 kgf-m, 18.1 ft-lb)
19) Selection of main shaft rear plate <Ref. to 5MT-
82, ADJUSTMENT, Main Shaft Assembly for Sin-
gle-Range.>
20) Install the transfer case with extension case as-
sembly. <Ref. to 5MT-53, INSTALLATION, Trans-
fer Case and Extension Case Assembly.>
21) Install the clutch release lever and bearing.
<Ref. to CL-26, INSTALLATION, Release Bearing
and Lever.>
22) Install the manual transmission assembly into
the vehicle.<Ref. to 5MT-41, INSTALLATION,
Manual Transmission Assembly.>
C: INSPECTION
Check the transmission case for cracks, damage,
and oil leaks.
MT-00176
ST
MT-00177
T