System 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°.