Differential Bevel Pinion Gear Backlash

WARNING: This page is about a different car, the 2020 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Disassemble the front differential assembly. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (5MT)>FRONT DIFFERENTIAL ASSEMBLY>DISASSEMBLY .

Select the adjusting washer from the table and install.

Adjusting washer
Part No.	Thickness mm (in)
803038021	0.925 - 0.950 (0.0364 - 0.0374)
803038022	0.975 - 1.000 (0.0384 - 0.0394)
803038023	1.025 - 1.050 (0.0404 - 0.0413)

Adjust until the standard value is obtained.
Specification:

0.13 - 0.18 mm (0.0051 - 0.0071 in)