Subaru Legacy 2003 Service Manual page 2237

AUTOMATIC TRANSMISSION
• Tooth contact
Checking item:Tooth contact pattern is slightly
shifted toward to toe side under no-load
rotation. [When loaded, contact pattern moves
toward heel.]
(B)
(A) Toe side
(B) Heel side
• 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.
DRIVE PINION SHAFT
• Flank contact
Checking item: Backlash is too small.
Contact pattern
(A)
Corrective action: Reduce thickness of drive pinion
AT-00207
height adjusting shim in order to move drive pinion
away from crown gear.
• Toe contact (Inside end contact)
Checking item: Contact areas is small.
Contact pattern
AT-00208
AT-00212
AT-122
AT-00209
AT-00213
AT-00210