Subaru Impreza 2002 Service Manual page 464

4. Rear Differential for T-type
C: DISASSEMBLY
2. STI MODEL
To detect the real cause of trouble, inspect the fol-
lowing items before disassembling.
• Tooth contact of crown gear and pinion, and
backlash
• Runout of crown gear at its back surface
• Turning resistance of drive pinion
1) Set the ST on vise and install the differential as-
sembly to ST.
ST 398217700 ATTACHMENT SET
2) Drain the gear oil by removing the plug.
3) Remove the air breather cap.
NOTE:
Do not attempt to replace the air breather cap un-
less necessary.
(A) Air breather cap
(B) Rear cover
REAR DIFFERENTIAL FOR T-TYPE
G3M1031
S3M0530A
DI-21
4) Remove the rear cover by loosening the retain-
ing bolts.
(A) Rear cover
(B) Differential carrier
5) Make right and left side bearing retainers in or-
der to identify them at reassembly. Remove the
side bearing retainer attaching bolts, set the ST to
differential case, and extract right and left side
bearing retainers with a puller.
NOTE:
Each shim, which is installed to adjust the side
bearing preload, should be kept together with its
mating retainer.
ST 398457700 ATTACHMENT
6) Pull out the differential case assembly from dif-
ferential carrier.
NOTE:
Be careful not to hit the teeth against the case.
DIFFERENTIALS
S3M0531A
S3M0532A
S3M0533