Steering Gearbox: Disassembly

Disconnect the four pipes from the steering body and control valve housing.
Secure the gearbox removed from vehicle in a vise using ST.
ST1 926200000 STAND

ST2 34199AG000 BOSS D

CAUTION: Using the ST, affix the gear box assembly to a vice as shown in the figure. Do not hold the gearbox on the vice without this ST.

Fig 1: Securing Gearbox In Vise Using ST
Courtesy of SUBARU OF AMERICA, INC.
Remove the tie-rod end and lock nut from the gearbox.
Remove the clip on the outer side of the boot, and move the boot towards the tie-rod end.

Fig 2: Removing Clip On Outer Side Of Boot
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Using a flat tip screwdriver, remove the band from boot.
NOTE: Replace the boot if there is damage, cracks or deterioration.

Fig 3: Removing Band From Boot
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Using the ST, loosen the lock nut.
ST 926230000 SPANNER

Fig 4: Loosening Lock Nut
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Tighten the adjusting screw until it can no longer be tightened.

Fig 5: Tightening Adjusting Screw
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Remove the tie-rod.
Loosen the adjusting screw, and remove the spring and sleeve.
Remove any soil on the input shaft. Being careful not to damage the housing and input shaft, and that no foreign objects enter the gear box, pull out the dust cover.
CAUTION: Wrap tape around the input shaft splines to prevent damaging the dust cover.

Fig 6: Identifying Dust Cover
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Match the pin of the ST to the plug hole and attach. Turn the ST counterclockwise to remove the plug.
ST 34199AE090 PLUG WRENCH

Fig 7: Removing Plug
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Remove the valve assembly while being careful not to damage the seal rings and valve housing inner surfaces.

Fig 8: Removing Valve Assembly
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Remove the holder.
Attach the ST to the rack pinion housing side, and push the rack out together with the outer side oil seal.
ST 34199FE000 INSTALLER & REMOVER

NOTE: Plug the pipe connection of the steering body, so that fluid will not come pouring out.

Fig 9: Attaching ST To Rack Pinion Housing Side
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Insert the ST from the valve side, and push out the backup ring and oil seal.
ST 34199FE010 REMOVER

Fig 10: Inserting ST From Valve Side
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Correct the crimped area of the cylinder using ST1 and ST2.
ST1 34099FA080 PUNCH

ST2 34199FE020 BASE

Fig 11: Tapping Crimped Area Of Cylinder Using ST1 And ST2
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If the cylinder end is deformed to form a protrusion, use an oil stone to correct.

Fig 12: Identifying Cylinder Deformed Area
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Using the ST, remove the oil seal and push out from the plug.
ST 34199AE100 OIL SEAL PLUG REMOVER

NOTE: Do not apply a force to the end surface of a plug.

Fig 13: Removing Oil Seal
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Set the ST at the dimensions indicated in the figure.
ST 34199AE120 GEAR BOX OIL SEAL REMOVER

Fig 14: Identifying Gear Box Oil Seal Remover Dimensions
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Set the stopper in the gearbox body first, then insert the tip of the ST into the gearbox body.

Fig 15: Setting Stopper In Gearbox Body
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Fix the width across flats in place, push in while rotating the rod, and hook the oil seal.

Fig 16: Pushing Rod
Courtesy of SUBARU OF AMERICA, INC.
Fix the width across flats in place, turn the nut and pull out the oil seal.
CAUTION: Be careful not to damage the inner surface of the gearbox.

Fig 17: Pulling Out Oil Seal
Courtesy of SUBARU OF AMERICA, INC.