OUTER COMPONENT PARTS — Exhaust Manifold and Catalyser / Removal / Inspection / Assembly

EM-10prose procedure

Exhaust Manifold and Catalyser

Parts Diagram

Specification	Value
Exhaust manifold-to-head studs/nutsTightening torque	29 - 34N·m
Catalyser bracket boltsTightening torque	9.0 - 12.0N·m
Sensor locknutTightening torque	78N·m
Heat-shield bracket boltTightening torque	18 - 22N·m
Exhaust gas sensor (oxygen sensor)Tightening torque	40 - 60N·m
Heat shield screwsTightening torque	3.7 - 5.0N·m

Exhaust manifold-to-head studs/nutsTightening torque

29 - 34N·m

Catalyser bracket boltsTightening torque

9.0 - 12.0N·m

Sensor locknutTightening torque

78N·m

Heat-shield bracket boltTightening torque

18 - 22N·m

Exhaust gas sensor (oxygen sensor)Tightening torque

40 - 60N·m

Heat shield screwsTightening torque

3.7 - 5.0N·m

NOTE

Legend: ⊗ = Do not reuse. Torque-wrench symbol indicates N·m (kg-m, ft-lb).

1
Check all components for wear, damage, etc.
Do not attempt to disassemble the catalyser honeycomb.
2
Check flatness of manifold face using straightedge. Maximum variation: 0.3 mm (0.012 in).
UEM030

Specification	Value
Exhaust manifold flange flatness — Maximum variationLimit (straight-edge check)	0.3 (0.012)mm (in)

Exhaust manifold flange flatness — Maximum variationLimit (straight-edge check)

0.3 (0.012)mm (in)