2005 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Torque Specification

Torque Specification Table - Automatic Transmission/Transaxle

Part Tightened N.m kgf.cm ft.lbf
Park/neutral position switch Bolt 12.8 130 9
Nut 6.9 70 61 in..lbf
Transmission control shaft lever x Park/neutral position switch 15.7 160 12
Floor shift gear shifting rod x Connecting rod swivel 13 130 10
Engine mounting insulator rear x Automatic transmission 11.5 117 8
Automatic transmission x Engine 17 mm head 72 730 53
14 mm head 37 380 27
Torque converter clutch x Drive plate 48 490 35
Flywheel housing under cover x Automatic transmission 18 185 13
Wire harness clamp x Automatic transmission 5.0 51 44 in..lbf
Engine rear mounting member x Body Nut 11.5 117 8
Bolt 25.5 260 19
Oil cooler tube clamp 5.4 55 48 in..lbf
Oil cooler outlet tube x Automatic transmission 44 450 32
Oil cooler inlet tube x Automatic transmission 44 450 32
Oil filler tube 12 122 9
Converter assy x Exhaust manifold 62 630 46
Exhaust pipe No. 1 support bracket x Automatic transmission 43 440 32
Suspension member brace sub-assy x Body 58 590 43
Front suspension member brace rear LH x Body 58 590 43
Front suspension member brace rear RH x Body 58 590 43
Speed sensor (SP2) x Automatic transmission 5.4 55 48 in..lbf
Speed sensor (NCO) x Automatic transmission 5.4 55 48 in..lbf
Drain plug x Oil pan 20 205 15
Transmission wire set bolt x Automatic transmission 5.4 55 48 in..lbf
Transmission wire clamp x Valve body 6.4 65 56 in..lbf
Oil strainer x Valve body 10 100 7
Oil pan x Transmission case 7.4 75 65 in..lbf
Shift solenoid valve SLV, SLT x Valve body 6.5 65 56 in..lbf
Shift solenoid valve SLN x Valve body 10 100 7
Shift solenoid valve No. 1, No. 3 x Valve body 6.4 65 56 in..lbf
Shift solenoid valve No. 2, No.4 x Valve body 10 100 7
Valve body x Transmission case 10 100 7
Transmission flange x Output shaft 126 1,280 92
Floor shift assy x Body 8.3 85 74 in..lbf
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.