MECHANICAL(H4DO) > Cylinder Head
1. Install the cylinder head and gaskets on cylinder block.
CAUTION:
Be careful not to scratch the mating surface of cylinder head and cylinder block.
NOTE:
Use a new cylinder head gasket.
2. Tighten the cylinder head bolts.
(1) Apply a thin coat of engine oil to washer and bolt thread.
(2) Tighten all bolts to 29 N·m (3.0 kgf-m, 22 ft-lb) in alphabetical sequence.
(3) Further tighten all bolts to 69 N·m (7.0 kgf-m, 51 ft-lb) in alphabetical order.
(4) Loosen all the bolts by 180° in the reverse order of tightening, and loosen them again by 180°.
(5) Tighten all bolts to 49 N·m (5.0 kgf-m, 36 ft-lb) in alphabetical order.
(6) Tighten all bolts by 80 to 90° in alphabetical sequence.
(7) Tighten all bolts by 40 to 45° in alphabetical order.
CAUTION:
Do not tighten the bolts 45°.
(8) Further tighten the bolts (A) and (B) by 40 to 45°.
CAUTION:
Make sure that the total “re-tightening angle” of the previous steps (7) and (8) does not exceed 90°.
4. Install the A/C compressor bracket on cylinder head.