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Home >> Lexus >> 2007 >> IS 250 AWD >> Repair and Diagnosis >> Drivelines & Axles >> Wheel Hubs >> Axle >> Steering Knuckle >> Installation

Steering Knuckle: Installation

  1. INSTALL STEERING KNUCKLE 
    1. Install the steering knuckle to the upper suspension arm with a nut.

      Torque: 87 N*m (887 kgf*cm, 64 ft.*lbf) 

    2. Install a new clip.
    NOTE: If the holes for the clip are not aligned, further tighten the nut up to 60°.
    Fig 1: Installing Clip
    G04047233Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL TIE ROD ASSEMBLY (for 4WD) 
    1. Install the tie rod end to the steering knuckle with the nut.

      Torque: 65 N*m (663 kgf*cm, 48 ft.*lbf) 

    2. Install a new clip.
    NOTE: If the holes for the clip are not aligned, further tighten the nut up to 60°.
    Fig 2: Installing Tie Rod End Clip
    G04047234Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL FRONT LOWER BALL JOINT ASSEMBLY (for 2WD) 
    1. Install the steering knuckle to the lower ball joint with the 2 bolts.

    Torque: 120 N*m (1,224 kgf*cm, 89 ft.*lbf) 

    Fig 3: Identifying Lower Ball Joint To Steering Knuckle Bolts
    G04029203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL FRONT LOWER BALL JOINT ASSEMBLY (for 4WD) 
    1. Install the steering knuckle to the lower ball joint with the 2 bolts.

    Torque: 120 N*m (1,224 kgf*cm, 89 ft.*lbf) 

  5. INSTALL FRONT AXLE HUB SUB-ASSEMBLY (for 2WD) (See  INSTALLATION   ) 
  6. INSTALL FRONT AXLE HUB SUB-ASSEMBLY (for 4WD) (See  INSTALLATION   ) 
  7. INSTALL FRONT DISC (See  REASSEMBLY  ) 
  8. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY (for 2WD) (See Step 7 in  INSTALLATION   ) 
  9. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY (for 4WD) (See Step 8 in  INSTALLATION   ) 
    Fig 4: Installing Steering Knuckle Lower Ball Joint Bolts (For 4WD)
    G04047236Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL FRONT AXLE HUB NUT (for 4WD) 
    1. Using a socket wrench (30 mm), install a new axle hub nut.

      Torque: 294 N*m (2,998 kgf*cm, 217 ft.*lbf) 

    2. Using a chisel and hammer, stake the front axle hub nut.
  11. INSTALL FRONT SPEED SENSOR (for 2WD) (See Step 10 in  INSTALLATION   ) 
  12. INSTALL FRONT SPEED SENSOR (for 4WD) (See Step 11 in  INSTALLATION   ) 
  13. INSTALL FRONT WHEEL 

    Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) 

  14. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    (See ADJUSTMENT )

    Fig 5: Staking Axle Hub Nut
    G04053718Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. CHECK ABS SPEED SENSOR SIGNAL 

    (with VDIM: See TEST MODE PROCEDURE )

    (without VDIM: See TEST MODE PROCEDURE )