Subaru Impreza 2003 Service Manual page 2222

DIFFERENTIALS
• Face contact
Checking item: Backlash is too large.
Contact pattern
Corrective action: Increase thickness of drive pin-
ion height adjusting shim in order to bring drive pin-
ion close to crown gear.
• Flank contact
Checking item: Backlash is too small.
Contact pattern
REAR DIFFERENTIAL FOR T-TYPE
AT-00208
AT-00212
AT-00209
DI-42
Corrective action: Reduce thickness of drive pinion
height adjusting shim in order to move drive pinion
away from crown gear.
• Toe contact (Inside end contact)
Checking item: Contact area is small.
Contact pattern
Corrective action: Reduce thickness of drive pinion
height adjusting shim in order to move drive pinion
away from crown gear.
AT-00213
AT-00210
AT-00213