Subaru Impreza 2.5 L 2004 Owner's Manual page 47

REAR DIFFERENTIAL
DIFFERENTIALS
F: ADJUSTMENT
1. SIDE GEAR BACKLASH
Adjust the side gear backlash. <Ref. to DI-30, AS-
SEMBLY, Rear Differential.>
2. CROWN GEAR BACKLASH
Adjust the crown gear backlash. <Ref. to DI-30,
ASSEMBLY, Rear Differential.>
3. TOOTH CONTACT BETWEEN CROWN
GEAR AND DRIVE PINION
Adjust the tooth contact between crown gear and
drive pinion gear. <Ref. to DI-30, ASSEMBLY,
Rear Differential.>
4. TOTAL PRELOAD
Adjust the side bearing shim. <Ref. to DI-30, AS-
SEMBLY, Rear Differential.>
DI-47