Removal

2. Lubricate and install intake and exhaust valves (x16).
3. Install valve stem oil seals.
4. Install valve springs and collars.
5. Using valve spring compressor, compress valve spring, install collets.
6. Release/remove spring compressor.
7. Install selective tappet buckets in their original fitted positions.
8. Lubricate intake and exhaust camshaft bearings and journals with clean engine oil.
9. Install intake and exhaust camshafts, install bearing caps (x20), install bolts (x40).
10. Torque tighten bearing cap bolts in the correct sequence.
11. Install camshaft sprocket Torx bolts in intake and exhaust camshafts.
12. Rotate intake camshaft clockwise, check and log each valve clearance using feeler gauges.
13. Calculate the correct tappet bucket grade.
14. Remove bearing cap bolts (x40), remove bearing caps (x20), remove intake and exhaust camshafts.
15. Remove tappet buckets, install selected tappet buckets.
16. Install intake and exhaust camshafts, install bearing caps (x20), install bolts (x40).
17. Torque tighten bearing cap bolts in the correct sequence.
18. Rotate intake and exhaust camshafts clockwise, re-check each valve clearance using feeler gauges.
19. Remove camshaft sprocket Torx bolts (x4).
20. Remove bearing cap bolts (x40), remove bearing caps (x20), remove intake and exhaust camshafts.
21. Clean EGR tubes.
22. Install new gaskets, install EGR tubes to cylinder heads, install and torque tighten Torx screws (x4).
23. Clean Knock sensors (x4).
24. Install knock sensors (x4) to cylinder head, install and torque tighten bolts (x4).
25. Clean camshaft timing sensors.
26. Install camshaft timing sensor, install and torque tighten bolt.
27. Install spark plugs.
28. Install cylinder head gaskets - engine set (see Workshop Manual procedure 03.10.AL Gasket - Cylinder Head - Engine Set - Renew).

Removal

1. Remove cylinder head gaskets - engine set (see Workshop Manual procedure 03.10.AL Gasket - Cylinder Head - Engine Set - Renew).
2. Remove spark plugs (x8).
3. Remove selective tappet buckets, keep in their fitted order.
4. Position valve spring compressor, compress valve spring.
5. Remove collets, release/remove spring compressor, collect collar and valve spring.
6. Remove valves from cylinder.
7. Remove valve stem oil seals.
8. Keep valves and springs in their fitted order.
9. Inspect cylinder head face for warpage, across centre and from corner to corner.
10. Check condition and measure free length of valve springs.
11. Decarbonise combustion chambers and exhaust ports.
12. Use new valves and check valve guide clearances.

Installation

1. Clean cylinder head face and inlet/exhaust manifold faces. Use and air line to completely dry cylinder head surfaces.
2. Lubricate and install intake and exhaust valves (x32).
3. Install valve stem oil seals.
4. Install valve springs and collars.
5. Using valve spring compressor, compress valve spring, install collets.
6. Release/remove spring compressor.
7. Install selective tappet buckets in their original fitted positions.
8. Lubricate intake and exhaust camshaft bearings and journals with clean engine oil.
9. Install intake and exhaust camshafts, install bearing caps (x20), install bolts (x40).
10. Torque tighten bearing cap bolts in the correct sequence.
11. Install camshaft sprocket Torx bolts in intake and exhaust camshafts.
12. Rotate intake camshaft clockwise, check and log each valve clearance using feeler gauges.
13. Calculate the correct tappet bucket grade.
14. Remove bearing cap bolts (x40), remove bearing caps (x20), remove intake and exhaust camshafts.
15. Remove tappet buckets, install selected tappet buckets.
16. Install intake and exhaust camshafts, install bearing caps (x20), install bolts (x40).
17. Torque tighten bearing cap bolts in the correct sequence.
18. Rotate intake and exhaust camshafts clockwise, re-check each valve clearance using feeler gauges.
19. Remove camshaft sprocket Torx bolts (x4).

Valve Set (Engine Set) - Renew (including de-coke)