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.

POWER STEERING VANE PUMP 

TORQUE SPECIFICATION POWER STEERING VANE PUMP

Part tightened N.m kgf.cm ft.lbf
POWER STEERING VANE PUMP      
Vane pump housing rear x Vane pump housing front 24 240 17
Pressure port union 83 850 61
Suction port union set bolt 13 130 9
Vane pump assy x Vane pump bracket rear 43 438 32
Vane pump assy x Stud bolt 22 224 16
Vane pump pulley set nut 44 449 32
Pressure feed tube assy x Vane pump assy 51 520 38
Pressure feed tube assy clamp set bolt 7.8 80 69 in.lbf

STEERING LINK ASPOWERSY 

TORQUE SPECIFICATION STEERING LINK ASPOWERSY

Part tightened N.m kgf.cm ft.lbf
Control valve housing set bolt 18 184 13
Bering guide nut 25 250 18
Rack guide spring cap 25 250 18
Rack guide spring cap lock nut 69 (65) 700 (660) 51 (48)
Power steering rack x Rack end 103 (98) 1,050 (1,000) 76 (72)
Tie rod assy lock nut 88 897 65
Turn pressure tube union nut 25 (23) 250 (230) 18 (17)
Power steering link assy set bolt and nut 100 1,020 74
Pressure feed and return tubes x Control valve housing 44 (42) 449 (428) 32 (31)
Pressure feed tube clamp set bolt 28 286 21
Outlet return tube 44 (42) 449 (428) 32 (31)
Tie rod end x steering knuckle 91 928 67
Stabilizer bar front bracket set bolt 40 408 30

(): For use without SST

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:

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

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