Cylinder Head Assembly: Specifications

Cylinder head
Surface warpage limit 0.05 mm (0.0020 inch)
Surface grinding limit 0.3 mm (0.012 inch)
Standard height 127.5 mm (5.02 inch)
Crankshaft Pulley bolts 180 Nm (18.3 kgf-cm, 132.7 ft. lbs.)

Part 1:

Cylinder Head and Camshaft





Camshaft Bearing

For Cylinder Head bolt sequence, refer to Engine; Service and Repair; Procedures; STI; Disassembly and Reassembly; Cylinder Head Assembly.Cylinder Head Assembly





Cylinder head bolts:
1) Apply a coat of engine oil to washers and bolt threads.
2) Tighten all bolts in sequence to 29 Nm (3.0 kgf-m, 22 ft. lbs.)
3) Retighten all bolts in sequence to 69 Nm (7.0 kgf-m, 51 ft. lbs.)
4) Back off all bolts by 180° first, then back them off a further 180°, in the reverse sequence they were tightened.
5) Tighten all bolts in sequence to 49 Nm (5.0 kgf-m, 36 ft. lbs.)
6) Tighten all bolts in sequence to 80 - 90°
7) Tighten all bolts in sequence a further 40 - 45°

NOTE: Do not tighten bolts for more than 45°.

8) Tighten bolt (A) and (B) a further 40 - 45°.

NOTE: Make sure the sum of retightening angles in previous steps has not exceeded 90°.