Oil Seal, Inner Guide Assembly Note

Install a new O-ring and a new seal ring to the rack's piston.
After installing the seal ring, seat it properly at the piston circumference.
Apply grease to a new oil seal and inner guide.
Install the oil seal to the SST .

Fig 1: Installing Oil Seal To SST
Courtesy of MAZDA MOTORS CORP.
Using the SST , place the oil seal and inner guide at the edge of the steering rack's pinion, and remove the SST .

Fig 2: Installing Oil Seal To Steering Rack
Courtesy of MAZDA MOTORS CORP.
After installing the steering rack to the gear housing, press the oil seal and inner guide using the SSTs until the force required suddenly increases.

Fig 3: Installing Steering Rack To Gear Housing
Courtesy of MAZDA MOTORS CORP.