Steering Gearbox: Disassembly

Disconnect the four pipes from gearbox.
NOTE: Remove the pipes E and F as a single unit being fixed at clamp plate.
Secure the gearbox assembly removed from vehicle in vise using the ST.
ST 926200000 STAND

CAUTION: Secure the gearbox assembly in a vise using the ST as shown. Do not attempt to secure it without this ST.

Fig 1: Identifying Gearbox Assembly In Vise
Courtesy of SUBARU OF AMERICA, INC.
Remove the tie-rod end and lock nut from gearbox assembly.
Remove the clip on outside of boot using pliers, and then slide the boot to tie-rod end side.

Fig 2: Removing Clip
Courtesy of SUBARU OF AMERICA, INC.
Using flat tip screwdriver, remove the band from boot.
NOTE: Check the boot for crack, damage or deterioration.
Replace the boot with a new one if necessary.

Fig 3: Removing Band From Boot
Courtesy of SUBARU OF AMERICA, INC.
Using the ST, loosen lock nut.
ST 926230000 SPANNER

Fig 4: Loosening Lock Nut Using Spanner ST 926230000
Courtesy of SUBARU OF AMERICA, INC.
Tighten the adjusting screw until it no longer tightens.

Fig 5: Tightening Adjusting Screw
Courtesy of SUBARU OF AMERICA, INC.
Using a 32 mm spanner or adjustable wrench with clinching boot, remove the tie-rod.

Fig 6: Removing Tie-Rod
Courtesy of SUBARU OF AMERICA, INC.
Loosen the adjusting screw, and then remove the spring and sleeve.
Disconnect the pipes A and B from steering body and control valve housing.

Fig 7: Loosening Adjusting Screw
Courtesy of SUBARU OF AMERICA, INC.
Clean the dirt of input shaft. Remove the dust cover taking care not to scratch the housing or input shaft and allow foreign matter to enter gearbox interior.

Fig 8: Removing Dust Cover
Courtesy of SUBARU OF AMERICA, INC.
Align the ST pin to plug hole to install. Rotate the ST counterclockwise to remove plug.
ST 34199AE090 PLUG WRENCH

Fig 9: Identifying Plug Wrench ST 34199AE090 Pin To Plug Hole
Courtesy of SUBARU OF AMERICA, INC.
Remove the valve assembly taking care not to scratch seal ring and valve housing inner surface.

Fig 10: Identifying Valve Assembly
Courtesy of SUBARU OF AMERICA, INC.
Remove the holder using a 32 mm spanner or adjustable wrench.

Fig 11: Removing Holder
Courtesy of SUBARU OF AMERICA, INC.
Install the ST on valve side of rack and press outer side oil seal out taking care not to contact rack with steering body inner surface.
ST 34099FA030 INSTALLER & REMOVER

NOTE: Block the pipe connection of steering body to prevent fluid from flowing out.

Fig 12: Identifying Installer ST 34099FA030
Courtesy of SUBARU OF AMERICA, INC.
Insert the ST from valve side and press backup ring and oil seal out.
ST 927580000 REMOVER

Fig 13: Identifying Remover ST 927580000
Courtesy of SUBARU OF AMERICA, INC.
Using the ST1 and ST2, repair the cylinder's clinched sections.
ST1 34099FA080 PUNCH

ST2 34099FA070 BASE

Fig 14: Repairing Cylinder'S Clinched Sections
Courtesy of SUBARU OF AMERICA, INC.
If the cylinder edge is deformed in a convex shape, repair using an oil stone.

Fig 15: Identifying Cylinder Edge Is Deformed In Convex Shape
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil seal using ST and press from plug.
ST 34199AE100 PLUG OIL SEAL REMOVER

NOTE: Do not apply force on the plug edge surface.

Fig 16: Identifying Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
Set the ST on drawing dimension.
ST 34199AE120 GEARBOX OIL SEAL REMOVER

Fig 17: Identifying ST
Courtesy of SUBARU OF AMERICA, INC.
Set the stopper to gearbox, and then insert the tip of ST to gearbox.

Fig 18: Identifying Stopper And Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
By fixing the 2-surface width, press in by rotating the rod and attach to oil seal.

Fig 19: Identifying In By Rotating Rod And Attach To Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
While fixing the 2-surface width, pull out the oil seal by rotating nut.
CAUTION: Take care not to scratch the gearbox inner surface.

Fig 20: Identifying Out Oil Seal
Courtesy of SUBARU OF AMERICA, INC.