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Exhaust Manifold Torque and Data

Torque Specifications

1ZZ-FE Engine
Lower Heat Insulator 12 Nm (9 ft.lb)
Exhaust Manifold 37 Nm (27 ft.lb)
Upper Heat Insulator 12 Nm (9 ft.lb)
Exhaust Manifold Stay 49 Nm (37 ft.lb)

2ZZ-GE Engine
Lower Heat Insulator 20 Nm (15 ft.lb)
Exhaust Manifold 50 Nm (37 ft.lb)
Upper Heat Insulator 20 Nm (15 ft.lb)
Exhaust Manifold Stay 50 Nm (37 ft.lb)

NOTE: uniformly tighten the exhaust manifold nuts in several passes.