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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt >> Front Seat Belt With PRETENSIONER >> Replacement

Front Seat Belt With PRETENSIONER: Replacement

HINT:

  1. SEPARATE BATTERY NEGATIVE TERMINAL 
  2. REMOVE FRONT SEAT INNER BELT ASSY LH 
    1. Remove the front seat assembly. (See OVERHAUL )
    2. Remove the front seat cushion inner shield. (See OVERHAUL )
    3. Remove the nut and front seat inner belt.
  3. REMOVE REAR SEAT CUSHION ASSY (See  OVERHAUL  ) 
  4. REMOVE REAR SEAT HEADREST PLATE COVER (See  OVERHAUL  ) 
  5. REMOVE WIND DEFLECTOR BOARD ASSY (See  OVERHAUL  ) 
  6. REMOVE REAR SEAT HEADREST PLATE (See  OVERHAUL  ) 
  7. REMOVE REAR SEAT HEADREST ASSY (See  OVERHAUL  ) 
  8. REMOVE REAR SEAT BACK ASSY (See  OVERHAUL  ) 
  9. REMOVE DOOR SCUFF PLATE ASSY LH (See  REPLACEMENT  ) 
  10. REMOVE QUARTER TRIM PANEL ASSY FRONT LH 
    1. Remove the bolt and floor anchor.
      Fig 1: Removing Floor Anchor
      G03479556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, remove the front seat belt hole.

      HINT:

      Tape the screwdriver tip before use.

    3. Remove the 6 screws and clip.
      Fig 2: Removing Clip
      G03479557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a screwdriver, pry out the quarter trim panel assembly front.

    HINT:

    Tape the screwdriver tip before use.

  11. REMOVE FRONT SEAT OUTER BELT ASSY LH 
    1. Remove the bolt and shoulder anchor.
    2. Disconnect the pretensioner connector as shown in Fig 3 .
      Fig 3: Disconnecting Pretensioner Connector
      G03479558Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: When removing the seat belt pretensioner, operation must be started after 90 seconds have passed from the time the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery. 
    3. Remove the 2 bolts and front seat outer belt.
  12. INSTALL FRONT SEAT OUTER BELT ASSY LH 
    1. Check the degree of tilt when beginning to lock the ELR.
      1. Make sure that the belt cannot be pulled out by over 45 degrees of tilt.
        Fig 4: Checking Belt Cannot Be Pulled Over 45° Of Tilt
        G03479559Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Do not disassemble the retractor. 
    2. Install the retractor with the 2 bolts.

      Torque: 

      • Upper side: 7.5 N.m (77 kgf.cm, 66 in.lbf) 
      • Lower side: 42 N.m (428 kgf.cm, 31 ft.lbf) 
    3. Install the shoulder anchor with the bolt.

      Torque: 42 N.m (428 kgf.cm, 31 ft.lbf) 

    4. Install the floor anchor with the bolt.

      Torque: 42 N.m (428 kgf.cm, 31 ft.lbf) 

    5. Check the ELR lock.
      1. Check that the seat belt is locked when the seat belt is pulled out quickly with the seat belt installed in the vehicle.
  13. INSTALL FRONT SEAT INNER BELT ASSY LH 

    Torque: 42 N.m (428 kgf.cm, 31 ft.lbf)