Cylinder head - inspection (page 2 of 2)

6. Temporarily fit crankshaft pulley bolt, remove timing pin 18G 1523 and using crankshaft pulley bolt, rotate crankshaft anti-clockwise until numbers 1 and 4 pistons are approximately 25 mm below cylinder block top face. Do not remove bolt at this stage.

CAUTION: Ensure timing belt is not trapped as crankshaft is rotated.

7. Check that camshaft timing gear drive pin is at 2 o’clock position. If necessary, temporarily fit camshaft gear and rotate camshaft until pin is positioned. Remove timing gear.
8. Apply a light film of engine oil to cylinder head bolt threads and underside of bolt heads.

CAUTION: Do not lubricate underside of washers.

9. Fit location dowels to cylinder block.
10. Fit new cylinder head gasket to block, dry.
11. Using assistance, fit cylinder head onto block, carefully locating on dowels.
12. Fit cylinder head bolts in their original fitted order, do not drop bolts into cylinder block.

13. Tighten cylinder head bolts progressively in the sequence shown, using the following procedure: i.Tighten all bolts to 30 Nm. ii.Tighten all bolts to 65 Nm. Using a felt tip pen, mark position of radial mark on each bolt head. iii.Turn all bolts through 90° . iv.Turn all bolts through another 90° .

CAUTION: Ensure correct sequence is followed for all 4 tightening stages. Do not tighten bolts 180° in one operation.