Subaru 2002 IMPREZA Service Manual page 1789

11) 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
12) 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.
13) Turn in the retainer on the upper side addition-
ally by 1 notch in order to apply preload on taper
roller bearing.
14) Tighten temporarily both the upper and lower
lock plates and mark both holder and lock plate for
later readjustment.
15) Turn the transmission main shaft several times
while tapping around the retainer lightly with plastic
hammer.
16) Inspect and adjust the backlash and tooth con-
tact of hypoid gear. <Ref. to MT-99, INSPECTION,
Front Differential Assembly.>
TRANSMISSION CASE
17) 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)
B3M1360A
18) Selecting of main shaft rear plate. <Ref. to MT-
75, ADJUSTMENT, Main Shaft Assembly for Sin-
gle-Range.>
19) Install the clutch release lever and bearing.
<Ref. to CL-26, INSTALLATION, Release Bearing
and Lever.>
20) Install the transfer case with extension case as-
sembly. <Ref. to MT-48, INSTALLATION, Transfer
Case and Extension Case Assembly.>
21) Install the manual transmission assembly into
the vehicle.<Ref. to MT-37, INSTALLATION, Man-
ual Transmission Assembly.>
2. DUAL-RANGE
1) Wipe off grease, oil and dust on the mating sur-
faces of transmission cases with white gasoline.
2) Install the front differential assembly.
3) Install the main shaft assembly and input shaft
assembly.
Connect the main shaft assembly and input the
shaft assembly, and install needle bearing knock
pin hole into transmission case knock pin.
4) Install the drive pinion shaft assembly.
Install the roller bearing knock pin hole into trans-
mission case knock pin.
5) Apply liquid gasket, and then put the case right
side and left side together.
Liquid gasket:
THREE BOND 1215 or equivalent
MT-65
MANUAL TRANSMISSION AND DIFFERENTIAL
S3M0014C