S5 Workshop Manual Engine
3. Inspection
1) Inspect whether it has damage or crack.
2) Use a ruler and plug gauge to inspect the deformation of cylinder head matching
surface.
Standard value: 0.15 mm
Maintenance limit: 0.3 mm
3) Inspect whether exhaust manifold has damage or crack.
4. Installation
1) Install exhaust manifold with washer.
Tightening torque.
Air exhaust manifold
M8: 25 ～ 30 N•m
M10: 30 ～ 40 N•m
Notes:
■ Do not use the used exhaust manifold
washer.
2) Install heat shield.
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