Subaru 2002 Impreza Service Manual page 294

REAR DIFFERENTIAL
Differentials
1. Rear Differential
The drive gear is a hypoid gear with a nominal diameter of 160 mm (6.30 in). The drive pinion shaft
is supported by three bearings. The bearing preload is adjusted by selecting a spacer and washer
combination of a proper thickness. The drive pinion height is adjusted by properly selecting the
thickness of the washers located at the drive pinion neck using Dummy Shaft and Gauge.
NFO097
DI-2