Subaru Impreza 2002 Service Manual page 472

Condition
Correct tooth contact
Tooth contact pattern slightly shifted
towards toe under no load rotation.
(When loaded, contact pattern moves
toward heel.)
Face contact
Backlash is too large.
Flank contact
Backlash is too small.
Toe contact
Contact area is small.
Heel contact
Contact area is small.
: Adjusting direction of drive pinion
: Adjusting direction of crown gear
24) Remove the right and left side bearing retain-
ers.
25) Install the new O-ring to side bearing retainers.
REAR DIFFERENTIAL FOR T-TYPE
TOOTH CONTACT PATTERN
Contact pattern
This may cause noise and chipping at
tooth ends.
This may cause noise and stepped wear
on surfaces.
This may cause chipping at toe ends.
This may cause chipping at heel ends.
DI-29
G3M0098A
Increase thickness of drive pinion height
adjusting shim in order to bring drive pin-
ion closer to crown gear center.
G3M0098B
Reduce thickness of drive pinion height
adjusting shim in order to move drive
pinion away from crown gear.
G3M0098C
Adjust as for flank contact.
G3M0098D
Adjust as for face contact.
G3M0098E
DIFFERENTIALS
Adjustment
—
G3M0098F
G3M0098G
G3M0098G
G3M0098F