Subaru IMPREZA GD 2007 Series Manual page 3316

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DIFFERENTIALS
6. COMPANION FLANGE
1) If rust or dirt is attached to the companion flange,
remove them.
2) Set a dial gauge at a companion flange surface
(mating surface of propeller shaft and companion
flange), and then measure the companion flange
runout.
Limit of runout:
0.08 mm (0.003 in)
3) Set the gauge inside of the companion flange,
and measure the runout.
Limit of runout:
0.08 mm (0.003 in)
4) If either runout exceeds the limit, move the
phase of companion flange and drive pinion 90°
each, and find the point where the runout is within
the limit.
5) If the runout exceeds the limit even after chang-
ing the phase, replace the companion flange and
recheck the runout.
6) If the runout exceeds the limit after replacing the
companion flange, the drive pinion may be assem-
bled incorrectly or bearing is faulty.
Rear Differential
F: ADJUSTMENT
1. SIDE GEAR BACKLASH
Adjust the side gear backlash.
<Ref. to DI-32, ASSEMBLY, Rear Differential.>
2. HYPOID DRIVEN GEAR BACKLASH
Adjust the hypoid driven gear backlash.
<Ref. to DI-32, ASSEMBLY, Rear Differential.>
3. TOOTH CONTACT BETWEEN HYPOID
DRIVEN GEAR AND DRIVE PINION
Adjust the tooth contact between hypoid driven
gear and drive pinion gear.
<Ref. to DI-32, ASSEMBLY, Rear Differential.>
4. TOTAL PRELOAD
Adjust the side bearing shim.
<Ref. to DI-32, ASSEMBLY, Rear Differential.>
DI-00360
DI-00361
DI-50