2003 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Torque Specification

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATION

Part Tightened N.m kgf.cm ft.lbf
FRONT SEAT ASSY LH (MANUAL SEAT TYPE)
Seat position airbag sensor x Seat adjuster assy 8.0 82 71 in.lbf
Seatback cover bracket x Seat adjuster assy (w/ Side airbag) 5.5 56 48 in.lbf
Front seat Inner belt assy LH x Seat adjuster assy 42 428 31
Front seat assy LH x Body 37 375 27
FRONT SEAT ASSY LH (POWER SEAT TYPE)
Seat position airbag sensor x Seat adjuster assy 8.0 82 71 in.lbf
Seatback cover bracket x Seat adjuster assy (w/ Side airbag) 5.5 56 48 in.lbf
Front seat Inner belt assy LH x Seat adjuster assy 42 428 31
Front seat assy LH x Body 37 375 27
REAR NO. 1 SEAT ASSY
Seat belt assy outer center x Body Bolt 42 428 31
Nut 42 428 31
Seatback hinge x Seatback frame 37 377 27
Seatback hinge x Body 18 184 13
Seatlock striker x Body 18 184 13
Seatback hinge center x Body 18 184 13
Seatback hinge center x Seatback frame 37 377 27
Armrest assy center x Seatback assy 8.0 82 71 in.lbf
No. 1 seat hinge assy x Seat cushion frame 18 184 13
No. 1 seat hinge assy x Body 37 377 27
REAR NO.1 SEAT (3rd SEAT) Rear No. 1 seat LH and RH x Body 37 375 27
Rear seat belt inner x Rear seat cushion frame 42 430 31
Rear seat belt inner No. 2 x Rear seat cushion frame 42 430 31
Rear seat 3-joint type belt assy LH x Rear seat cushion frame 42 430 31
Rear seatback frame x Rear seat cushion frame 50 510 37
REAR NO.2 SEAT (3rd SEAT)
Seat No. 1 cushion frame x Rear seat frame 18 185 13
Rear seat belt inner x Rear seat frame 42 430 31
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.