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Home >> Lexus >> 2012 >> IS 250C Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake System / Exhaust System (Service Specifications) >> 4GR-FSE Intake / Exhaust System >> Torque Specifications >> Torque Specifications
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Torque Specifications

INTAKE MANIFOLD

Part Tightened N*m kgf*cm ft.*lbf
Intake manifold x Cylinder head 21 214 15
Intake air surge tank assembly x Cylinder head cover 21 214 15
Intake air surge tank assembly x Intake manifold Bolt 18 184 13
Nut 16 163 12
Surge tank stay x Intake air surge tank assembly 21 214 15
Water hose joint x Intake air surge tank assembly 10 102 7
No. 1 vacuum switching valve assembly x Intake air surge tank assembly 18 184 13
Cold start injector x Intake air surge tank assembly 10 102 7
EXHAUST MANIFOLD

Part Tightened N*m kgf*cm ft.*lbf
Exhaust manifold sub-assembly LH x Cylinder head 21 214 15
No. 3 engine room relay block x Body and Bracket 8.0 82 71 in.*lbf
Earth wire Bracket 10 102 7
Cylinder head 13 133 10
Exhaust manifold sub-assembly RH x Cylinder head 21 214 15
No. 1 exhaust pipe support bracket sub-assembly x Housing 43 440 32
Front Center floor brace x Body 17 173 13
Rear body support bracket x Front Center floor brace and Rear No. 2 body mounting bracket sub-assembly 17 173 13
Front exhaust pipe assembly x Exhaust manifold sub-assembly 55 561 40
Exhaust pipe damper x Tail exhaust pipe assembly 19 194 14
Tail exhaust pipe assembly x Front exhaust pipe assembly 43 440 32
EXHAUST PIPE

Part Tightened N*m kgf*cm ft.*lbf
Exhaust pipe damper x Tail exhaust pipe assembly 19 194 14
Tail exhaust pipe assembly x Front exhaust pipe assembly 43 440 32
Front exhaust pipe assembly x Exhaust manifold sub-assembly 39 398 29
Oxygen sensor x Front exhaust pipe assembly without SST 44 449 33
with SST 40 408 30