LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> IS 300 Base, Standard >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System >> Power Steering Gear >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Steering Gear: Installation

  1. INSTALL GROMMET, BRACKET AND PS GEAR ASSEMBLY 

    Install the grommet, bracket and PS gear assembly with the 4 bolts.

    Torque: 74 N.m (750 kgf.cm, 54 ft.lbf) 

  2. CONNECT RETURN TUBE 

    Using SST, connect the return tube.

    SST 09023-38400

    Torque: 40 N.m (410 kgf.cm, 30 ft.lbf) 

    HINT:

    • Use a torque wrench with a fulcrum length of 345 mm (13.58 in).
    • This torque value is effective in case that SST is parallel to a torque wrench.
    Fig 1: Connecting Return Tube
    G01315736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. CONNECT PRESSURE FEED TUBE 

    Install a new gasket, then connect the pressure feed tube with the union bolt.

    Torque: 42 N.m (430 kgf.cm, 31 ft.lbf) 

    Fig 2: Connecting Pressure Feed Tube With Union Bolt
    G01315737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL FRONT SUSPENSION MEMBER BRACE 

    Install the front suspension member brace with the 8 bolts.

    Torque: 

    Bolt A: 119 N.m (1,210 kgf.cm, 88 ft.lbf) 

    Bolt B: 58 N.m (590 kgf.cm, 43 ft.lbf) 

  5. CONNECT SLIDING YOKE (See  INSTALLATION   ) 
  6. INSTALL NO. 2 ENGINE UNDER COVER 
  7. CONNECT RH AND LH TIE ROD ENDS (See  INSPECTION  ) 
  8. INSTALL RH AND LH FRONT BRAKE CALIPERS (See  FRONT BRAKE CALIPER  ) 
  9. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 

    HINT:

    Do it with the front of the vehicle jacked up.

  10. CENTER SPIRAL CABLE (See  INSTALLATION   ) 
  11. INSTALL STEERING WHEEL 
    1. Align the matchmarks on the steering wheel and steering column main shaft.
    2. Temporarily tighten the steering wheel set nut.
    3. Connect the connector.
    Fig 3: Installing Front Suspension Member Brace Bolts
    G01315738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. BLEED POWER STEERING SYSTEM (See  POWER STEERING FLUID   ) 
  13. CHECK STEERING WHEEL CENTER POINT 
  14. TORQUE STEERING WHEEL SET NUT Torque: 50 N.m (510 kgf.cm, 37 ft.lbf) 
  15. INSTALL STEERING WHEEL PAD (See  INSTALLATION   ) 
  16. CHECK FRONT WHEEL ALIGNMENT (See  POWER STEERING GEAR   )