Procedures

CYLINDER HEAD GASKETS - RENEW

1. Drain cooling system.
2. Remove intake manifold.
3. Remove generator.
4. Remove rocker shafts.
5. Remove push rods.
6. Remove power steering pump belt.
7. Remove generator bracket.
8. Remove both exhaust manifolds.
9. Remove air cleaner assembly.
10. Remove mass air flow sensor.
11. Remove ground leads from rear of left hand cylinder head.
12. Right hand cylinder head - remove breather pipe from lifting bracket.
13. Loosen cylinder head bolts, reversing tightening sequence.
14. Remove cylinder heads.
15. Remove cylinder head gaskets.


16. Clean exhaust mating faces.
17. Clean head and block faces.
18. Fit new cylinder head gaskets, word TOP uppermost. DO NOT use sealant.
19. Oil cylinder bores.
20. Clean threads of head bolts and lightly oil.
21. Install the cylinder heads on block.
22. Install the cylinder head bolts in position illustrated.
Long bolts 1, 3, 5
Medium bolts 2, 4, 6, 7, 8, 9, and 10
Short bolts 11, 12, 13, and 14




23. Tighten bolts progressively in sequence. Finally tighten to torque:
Bolts 11 to 14 - Outer row - 60 Nm (44 ft lb)
Bolts 2, 4, 6, 8 and 10 - Centre row - 90 Nm (66 ft lb)
Bolts 1, 3, 5, 7 and 9 - Inner row - 90 Nm (66 ft lb)
24. When all bolts have been tightened, re-check for correct torque.
25. Reverse removal procedure 12 to 1.