2012 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE

Torque Specifications

CAMSHAFT OIL CONTROL VALVE

Part Tightened N*m kgf*cm ft.*lbf
Camshaft timing oil control valve assembly (for Bank 1) x Cylinder head cover 10 102 7
Camshaft timing oil control valve assembly (for Bank 2) x Cylinder head cover 10 102 7
CAMSHAFT TIMING CONTROL MOTOR

Part Tightened N*m kgf*cm ft.*lbf
Camshaft timing control with EDU motor assembly LH x Timing chain cover 21 214 15
Camshaft timing control with EDU motor assembly RH x Timing chain cover 21 214 15
Engine wire bracket x Timing chain cover 12 122 9
THROTTLE BODY

Part Tightened N*m kgf*cm ft.*lbf
Throttle body assembly x Intake manifold 10 102 7
Intake air connector pipe x Throttle body assembly x Hose clamp 4.8 49 42 in.*lbf
Intake air connector pipe x Intake air resonator x Hose clamp 3.8 39 34 in.*lbf
No. 1 air cleaner inlet x Upper radiator support 5.0 51 44 in.*lbf
ECM

Part Tightened N*m kgf*cm ft.*lbf
ECM x ECU box 5.5 56 49 in.*lbf
TCM x ECU box 5.5 56 49 in.*lbf
Engine room ECU cover x ECU box 5.5 56 49 in.*lbf
ACCELERATOR PEDAL

Part Tightened N*m kgf*cm ft.*lbf
Accelerator pedal x Body panel 5.4 55 48 in.*lbf
MASS AIR FLOW METER

Part Tightened N*m kgf*cm ft.*lbf
Mass air flow meter sub-assembly (for Bank 1) x Air cleaner cap sub-assembly LH 1.0 10 9 in.*lbf
Mass air flow meter sub-assembly (for Bank 2) x Air cleaner cap sub-assembly RH 1.0 10 9 in.*lbf
Air cleaner cap sub-assembly LH x Intake air connector pipe x Hose clamp 3.8 39 34 in.*lbf
Air cleaner cap sub-assembly RH x Intake air connector pipe x Hose clamp 3.8 39 34 in.*lbf
CAMSHAFT POSITION SENSOR

Part Tightened N*m kgf*cm ft.*lbf
Camshaft position sensor x Cylinder head cover RH 10 102 7
VVT SENSOR

Part Tightened N*m kgf*cm ft.*lbf
VVT sensor x Cylinder head cover LH and RH 10 102 7
Air cleaner case RH x Cylinder head cover RH 5.0 51 44 in.*lbf
Air cleaner case LH x Cylinder head cover LH 5.0 51 44 in.*lbf
Air cleaner case RH x Intake air connector pipe 3.8 39 34 in.*lbf
Air cleaner case LH x Intake air connector pipe 3.8 39 34 in.*lbf
CRANKSHAFT POSITION SENSOR

Part Tightened N*m kgf*cm ft.*lbf
Crankshaft position sensor x Flywheel housing 10 102 7
ENGINE COOLANT TEMPERATURE SENSOR

Part Tightened N*m kgf*cm ft.*lbf
Engine coolant temperature sensor x front water by-pass joint 13 (20) 133 (200) 10 (14)

(): For use without ball joint lock nut wrench

KNOCK SENSOR

Part Tightened N*m kgf*cm ft.*lbf
Knock sensor x Cylinder block 20 204 15
Separator case x Cylinder block 10 102 7
AIR FUEL RATIO SENSOR

Part Tightened N*m kgf*cm ft.*lbf
Air fuel ratio sensor (for Bank 1 Sensor 1) x Exhaust manifold LH 40 (44) 408 (449) 30 (32)
Air fuel ratio sensor (for Bank 2 Sensor 1) x Exhaust manifold RH 40 (44) 408 (449) 30 (32)

(): For use without SST

HEATED OXYGEN SENSOR

Part Tightened N*m kgf*cm ft.*lbf
Heated oxygen sensor (for Bank 1 Sensor 2) x Front Exhaust Pipe LH 40 (44) 408 (449) 30 (32)
Heated oxygen sensor (for Bank 2 Sensor 2) x Front exhaust pipe RH 40 (44) 408 (449) 30 (32)

(): For use without SST

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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