STI Model

WARNING: This page is about a different car, the 2013 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect cable from terminal M (A) of the magnet switch assembly.

Fig 1: Identifying Magnet Switch Assembly Terminal M
Courtesy of SUBARU OF AMERICA, INC.
Remove the magnet switch assembly from the starter housing assembly.

Fig 2: Locating Starter Housing Assembly To Magnet Switch Assembly Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove through bolts (A) on both sides and the brush holder screws (B), and remove the starter cover assembly.

Fig 3: Identifying Starter Cover Assembly Mounting Bolts And Brush Holder Screws
Courtesy of SUBARU OF AMERICA, INC.
Remove the yoke assembly and brush holder assembly as a unit.

Fig 4: Identifying Yoke Assembly And Brush Holder Assembly As Unit
Courtesy of SUBARU OF AMERICA, INC.
Remove the two brushes wired to the yoke assembly, and separate the yoke assembly and the brush holder assembly.
NOTE: As shown in the figure, use a flat tip screwdriver, etc. to hold the brush spring and remove the brush.

Fig 5: Removing Brush Using Flat Tip Screwdriver
Courtesy of SUBARU OF AMERICA, INC.

Fig 6: Locating Yoke Assembly
Courtesy of SUBARU OF AMERICA, INC.
Remove the armature from the internal gear assembly.

Fig 7: Identifying Internal Gear Assembly
Courtesy of SUBARU OF AMERICA, INC.
Remove the starter housing assembly (A) then remove the shift lever (B).

Fig 8: Identifying Starter Housing Assembly And Shift Lever
Courtesy of SUBARU OF AMERICA, INC.
Use the following procedures to remove the overrunning clutch from the shaft.
1. Use an appropriate tool (such as a fit socket wrench), and remove the stopper from snap ring by lightly tapping the stopper with a plastic hammer.
  
  Fig 9: Removing Starter Snap Ring Stopper Using Plastic Hammer
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove snap ring (A) from the shaft, and remove stopper (B).
  
  Fig 10: Removing Snap Ring From Shaft Using Tool
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove the overrunning clutch from the shaft.
  
  Fig 11: Removing/Installing Shaft Overrunning Clutch
  Courtesy of SUBARU OF AMERICA, INC.
Use the following procedures to remove the shaft.
1. Remove the starter plate, and remove the pinion gear.
  
  Fig 12: Identifying Starter Plate And Pinion Gear
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the snap ring from the shaft.
  
  Fig 13: Removing/Installing Shaft Snap Ring
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove the shaft from the internal gear assembly.
  
  Fig 14: Identifying Internal Gear Assembly And Shaft
  Courtesy of SUBARU OF AMERICA, INC.