Contents Section: Differential System (except Sti) All sections

SERVICE DATA Subaru Impreza WRX STI GR

SERVICE DATA

Drive pinion bearing preload (For new bearing)Measure with spring measurement (Measured from the companion flange bolt)N (kgf, lbf)17.7 - 38.8 (1.8 - 4.0, 4.0 - 8.7)
Measure with torque wrenchN.m(kgf-m, ft-lb)0.67 - 1.47 (0.07 - 0.15, 0.49 - 1.08)
Side gear backlashMm (in)0.10 - 0.20 (0.004 - 0.008)
Side bearing standard widthMm (in)20.00 (0.7874)
Hypoid driven gear to drive pinion backlashMm (in)0.10 - 0.20 (0.004 - 0.008)
Hypoid driven gear runout on its back surfaceMm (in)0.05 (0.002)

DRIVE PINION BEARING PRELOAD SPECIFICATION CHART