Cylinder Head Gasket-LH

Cylinder Head Gasket LH

Service Repair No - 12.29.02

Remove
1. Remove camshaft timing belt.
2. Remove inlet manifold chamber.





3. Remove 4 bolts securing LH front camshaft timing belt cover backplate to cylinder head and remove backplate.





4. Release H02S multiplug from support bracket on LH camshaft cover, disconnect multiplug.





5. Release H02S lead from clip on cylinder block. Remove 4 nuts securing exhaust manifold to cylinder head, remove manifold and discard gasket.





6. Disconnect 3 ht leads from spark plugs.
7. Release ht leads from guide bracket.
8. Remove special bolt securing ht lead guide bracket to LH camshaft cover and remove bracket.
9. Disconnect CMP sensor multiplug and release male multiplug from mounting bracket.
10. Remove bolt securing multiplug bracket and remove bracket.





11. Remove 3 nuts and 3 bolts securing ignition coils to LH inlet manifold and release coil earth lead.
12. Remove ignition coils and position aside.





13. Release clip and disconnect coolant bleed hose from LH inlet manifold, position hose aside.





14. Depress locking collar and release breather hose from LH inlet manifold.





15. Disconnect clips securing RH injector harness to injector protection cover.
Protection covers are NOT fitted to NAS vehicles.





16. Remove 2 bolts securing protection cover and RH fuel rail to RH inlet manifold, remove cover.





17. Remove 2 bolts securing fuel rail to LH inlet manifold.
18. Release injectors from manifolds and carefully lay fuel rail and injectors aside.

CAUTION: Always fit plugs to open connections to prevent contamination.





19. Remove 14 bolts and remove LH camshaft cover and gasket.





20. Progressively loosen and remove 8 cylinder head bolts.
21. Remove cylinder head.

CAUTION: Support both ends of cylinder head on blocks of wood.

22. Remove and discard cylinder head gasket.





23. Fit cylinder liner clamps LRT-12-144 and secure with bolts. Ensure that feet of clamps do not protrude over bores.

Refit
1. Clean cylinder head face.





2. Remove bolts securing cylinder liner clamps LRT-12-144 to cylinder block and remove clamps.
3. Clean cylinder block face, dowels and dowel holes.
4. Clean cylinder head bolts and wipe dry.
5. Lightly lubricate threads and beneath heads of cylinder head bolts with clean engine oil.
6. Ensure locating dowels are in cylinder block.
7. Fit new cylinder head gasket onto cylinder block with the word 'TOP' uppermost.
8. With assistance, fit cylinder head and carefully position LH inlet to RH inlet manifold, cylinder head to dowels.
9. Carefully enter cylinder head bolts, DO NOT DROP. Screw bolts into place by hand.





10. Tighten cylinder head bolts progressively in the sequence illustrated to: Stage 1-25 Nm (18 ft. lbs.). Stage 2-25 Nm (18 ft. lbs.). Stage 3-25 Nm (18 ft. lbs.). Stage 4-Using an angle torque gauge, tighten bolts in the same sequence to 180°.
11. Clean mating surfaces of camshaft cover and carrier.
12. Clean inside of camshaft cover. If necessary, wash oil separator gauze and blow dry.
13. Fit gasket and position camshaft cover to carrier.

CAUTION: When fitting camshaft cover gasket, ensure arrows on gasket point towards inlet manifold.





14. Fit bolts and tighten in sequence illustrated to 9 Nm (7 ft. lbs.).
15. Remove and discard 'O' rings from injectors.
16. Clean injectors and injector locations in fuel rail.
17. Lubricate new 'O' rings with castor oil and fit to injectors.
18. Position fuel rail assembly and secure injectors to inlet manifolds.
19. Position injector protection cover to RH fuel rail and secure injector harness to protection cover with clips.
20. Fit bolts securing fuel rail to inlet manifolds and tighten to 9 Nm (7 ft. lbs.).
21. Position CMP sensor bracket, fit and tighten bolt to 9 Nm (7 ft. lbs.).
22. Connect CMP sensor multiplug and secure to bracket.
23. Connect coolant bleed hose to inlet manifold and secure with clip.
24. Connect breather hose to LH inlet manifold.
25. Position ignition coils to LH inlet manifold.
26. Position earth lead, fit nuts and bolts securing ignition coils to LH inlet manifold and tighten to 9 Nm (7 ft. lbs.),
27. Position ht lead guide bracket, fit and tighten special bolt.
28. Connect ht leads to spark plugs and secure ht leads in guide clips.
29. Clean camshaft drive belt cover backplate bolts and apply Loctite 242 to first 3 threads.
30. Position backplate, fit and tighten bolts to 9 Nm (7 ft. lbs.).
31. Clean exhaust manifold and cylinder head mating face.
32. Fit new exhaust manifold gasket, position exhaust manifold, fit nuts and tighten to 45 Nm (33 ft. lbs.).
33. Secure H02S lead in clip on cylinder block.
34. Connect H02S multiplug and secure to support bracket.