Control Valve Assembly

WARNING: This page is about a different car, the 2008 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Specified steering grease:

VALIANT GREASE M2 (Part No. 003608001)

Clean all parts and tools before reassembling.
Apply a coat of specified power steering fluid to the inner wall of valve housing.

Fig 1: Applying Coat Of Specified Power Steering Fluid
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To avoid scratching the oil seal, apply a coat of grease to the contact surface of installer and oil seal.
Verify the direction of oil seal. Install the oil seal to installer and position it to valve housing.
Press the oil seal into position using press.
ST 34199AG090 INSTALLER & REMOVER

Fig 2: Pressing Oil Seal Into Position
Courtesy of SUBARU OF AMERICA, INC.
Install the bearing to ST and position it to housing. Using the ST and a press, install the special bearing in valve housing.
ST 34199AG090 INSTALLER & REMOVER

Fig 3: Installing Special Bearing In Valve Housing
Courtesy of SUBARU OF AMERICA, INC.
Apply vinyl tape to the groove of pinion.
Install the back-up ring and oil seal to pinion, and then remove the vinyl tape.

Fig 4: Identifying Back-Up Ring And Oil Seal
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Attach the ST to pinion, and install the seal ring.
ST 34199AG020 GUIDE

Fig 5: Identifying ST And Seal Ring
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Remove the ST GUIDE, and form the seal ring properly using ST FORMER.
ST 34199AG070 FORMER

Fig 6: Identifying ST Guide And Seal Ring
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Put vinyl tape around pinion shaft spline to protect oil seal from damage.
Install the valve to pinion, and install the snap ring.

Fig 7: Identifying Valve And Snap Ring
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Attach the pinion and valve assembly into the valve housing.

Fig 8: Identifying Pinion And Valve Assembly
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Using a press, push the outer race of bearing and press-fit the pinion & valve assembly into housing.

Fig 9: Pushing Outer Race Of Bearing
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Apply the specified grease to dust cover.
Install the dust cover on valve assembly.
CAUTION: Be sure to install the dust cover to groove of shaft.

Fig 10: Installing Dust Cover On Valve Assembly
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Apply the genuine grease to the pinion gear and bearing of valve assembly.

Fig 11: Applying Genuine Grease To Pinion Gear And Bearing Of Valve Assembly
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Install new O-ring to valve assembly.

Fig 12: Identifying O-Ring
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Insert the valve assembly into place while facing the rack teeth toward pinion.

Fig 13: Inserting Valve Assembly
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Tighten the bolts alternately to secure the valve assembly.
Tightening torque:

20 N.m (2.0 kgf-m, 14.8 ft-lb)

CAUTION: Be sure to alternately tighten the bolts.
Apply liquid gasket to 1/3 or more of entire perimeter of adjusting screw thread.
Liquid gasket:

THREE BOND 1141 (Part No. 004403006)
Apply a coat of grease to the sliding surface of sleeve and seating surface of spring, and then insert the sleeve into steering body.
Charge the adjusting screw with grease, and then insert the spring into adjusting screw. Then install on the steering body.

Fig 14: Applying Liquid Gasket To Adjusting Screw Thread
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Tighten the adjusting screw to the specified torque, then loosen it.
Tightening torque:

25 N.m (2.5 kgf-m, 18.4 ft-lb)
Tighten the adjusting screw to the specified torque, then loosen it within 20°.
Tightening torque:

3.9 N.m (0.4 kgf-m, 2.9 ft-lb)
Adjust the turning resistance of gearbox so that it is within specification using adjusting screw. <Ref. to TURNING RESISTANCE OF GEARBOX , INSPECTION, Steering Gearbox. >
Apply liquid gasket to lock nut and install it into adjusting screw. While holding the adjusting screw with wrench, tighten the lock nut using ST.
Liquid gasket:

THREE BOND 1141

ST 926230000 SPANNER

Tightening torque (lock nut):

25 N.m (2.5 kgf-m, 18.1 ft-lb)

NOTE: Hold the adjusting screw with a wrench to prevent it from turning while tightening lock nut.
Remove the gearbox from ST.
ST1 926200000 STAND

ST2 34199AG000 BOSS D
Install the four pipes on gearbox.
1. Connect the pipes A and B to gearbox.
  Tightening torque:
  
  Refer to the component parts. <Ref. to POWER ASSISTED SYSTEM , COMPONENT, General Description. >
2. Connect the pipes C and D to gearbox.
Tightening torque:

Pipe C: 37 N.m (3.8 kgf-m, 27.3 ft-lb)

Pipe D: 29 N.m (3.0 kgf-m, 21.4 ft-lb)

Fig 15: Connecting Pipes C And D To Gearbox
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