Seal Ring Assembly Note

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Install a new seal ring to the valve part of the pinion shaft using the SST .
After installing it, seat it properly using the SST .
Install the snap ring.

Fig 1: Installing Snap Ring
Courtesy of MAZDA MOTORS CORP.