Variable Camshaft Unit - Variable Camshaft Control (VCC) - LH
12.30.62 Variable camshaft unit - variable camshaft control (VCC) - LHBefore disconnecting the battery, ensure all text and cautions in the battery disconnection information are observed.
Remove
1. Position vehicle on lift.
2. Disconnect battery earth lead.
3. Drain cooling system.
4. Remove fan cowl.
5. Remove LH camshaft cover.
6. Remove RH camshaft cover.
7. Remove 8 spark plugs.
8. Remove 2 bolts securing engine lifting eye to rear of RH cylinder head and remove engine lifting eye.
9. Remove 20 nuts securing 4 camshaft oil lines to LH and RH cylinder heads and remove camshaft oil lines.
10. Rotate engine crankshaft pulley until cylinder 1 camshaft lobes are at TDC firing position.
11. The rear of the camshafts may appear twisted and out of alignment when cylinder 1 is in the TDC firing position.
NOTE: The twisting and apparent misalignment of the camshafts does not indicate incorrect engine timing.
12. Position LRT-12-227 through timing tool access hole and secure flywheel in TDC position.
13. Remove LH upper timing gear cover.
14. Remove RH upper timing gear cover.
15. Remove nut securing LH CMP sensor ring and remove CMP sensor ring.
NOTE: Thread is left handed.
16. Remove nut securing RH CMP sensor ring and remove CMP sensor ring.
NOTE: Thread is left handed.
17. Loosen 2 Torx bolts securing LH VCC unit and LH exhaust camshaft sprocket � a turn.
NOTE: Thread is left handed.
18. Loosen 2 Torx bolts securing RH VCC unit and RH exhaust camshaft sprocket � a turn.
NOTE: Thread is left handed.
19. Loosen bolt securing LRT-12-223/2 to LRT-12-223/1.
20. Fit LRT-12-223/2 and LRT-12-223/1 to rear of RH camshafts and tighten bolt securing tools.
21. Fit LRT-12-223/5, LRT-12-223/6 to RH cylinder head and tighten LRT-12-223/6 into spark plug thread.
22. Loosen bolt securing LRT-12-223/4 to LRT-12-223/3.
23. Fit LRT-12-223/4 and LRT-12-223/3 to rear of LH camshafts and tighten bolt securing tools.
24. Fit LRT-12-223/5, LRT-12-223/6 to LH cylinder head and tighten LRT-12-223/6 into spark plug thread.
25. Compress LH exhaust timing chain tensioner, fit LRT-12-220 to chain tensioner and remove 2 Torx bolts securing
LH VCC unit and LH exhaust camshaft sprocket.
NOTE: Thread is left handed.
26. Remove LH exhaust camshaft sprocket, LH exhaust camshaft chain and LH VCC unit.
NOTE: Secure chain to cylinder head to prevent chain failing into lower timing gear cover.
Refit
1. Position LH exhaust camshaft chain to LH VCC unit and position LH exhaust camshaft sprocket to LH exhaust camshaft chain.
NOTE: The VCC unit, exhaust camshaft chain and exhaust camshaft sprocket do not have timing marks on them. These parts may be freely fitted to the timing gear chain and camshafts in any position.
2. Position LH VCC unit to timing gear chain, fit VCC unit and exhaust camshaft sprocket to camshafts, fit and hand tighten 2 Torx bolts to eliminate excess play.
NOTE: Thread is left handed.
3. Compress LH exhaust timing chain tensioner and remove LRT-12-220.
4. Fit LRT-12-221 to RH cylinder head, fit LRT-12-222 to LRT-12-221 and hand tighten.
NOTE: Only screw in adjustment bolt until slight resistance is present.
5. Fit LRT-12-224 to LH VCC unit, connect multimeter between pin on LH VCC unit and stud on LH oil line.
6. Rotate LH VCC unit using LRT-12-224 to 40 Nm (30 ft. lbs.) and using the multimeter, check continuity is present.
NOTE: Rotating the VCC unit using LRT-12-224 will remove the oil cushion and make sure the VCC unit is at the full LH stop position. Continuity should be present when the VCC unit reaches this position.
7. Tighten Torx bolts securing LH VCC unit and exhaust camshaft sprocket to 15 Nm (11 ft. lbs.) and loosen one quarter of a turn.
NOTE: Thread is left handed.
8. Fit LRT-12-224 to RH VCC unit, connect multimeter between pin on RH VCC unit and stud on RH oil line.
9. Rotate RH VCC unit using LRT-12-224 to 40 Nm (30 ft. lbs.) and using the multimeter, check continuity is present.
NOTE: Rotating the VCC unit using LRT-12-224 will remove the oil cushion and make sure the VCC unit is at the full LH stop position. Continuity should be present when the VCC unit reaches this position.
10. Tighten Torx bolts securing RH VCC unit and exhaust camshaft sprocket to 15 Nm (11 ft. lbs.) and loosen one quarter of a turn.
NOTE: Thread is left handed.
11. Adjust chain tension by tightening LRT-12-222 to 0.7 Nm (6.3 inch lbs.).
12. Fit LRT-12-224 to LH VCC unit, connect multimeter between pin on LH VCC unit and stud on LH oil line.
NOTE: When the chain tension is adjusted the VCC unit will move and require adjusting to the LH stop.
13. Rotate LH VCC unit using LRT-12-224 to 40 Nm (30 ft. lbs.) and using the multimeter, check continuity is present.
NOTE: Rotating the VCC unit using LRT-12-224 will remove the oil cushion and make sure the VCC unit is at the full LH stop position. Continuity should be present when the VCC unit reaches this position.
14. Tighten LH VCC unit Torx bolt to 110 Nm (81 ft. lbs.) and LH exhaust camshaft sprocket Torx bolt to 125 Nm (92 ft. lbs.).
NOTE: Thread is left handed.
15. Fit LRT-12-224 to RH VCC unit, connect multimeter between pin on RH VCC unit and stud on RH oil line.
NOTE: When the chain tension is adjusted the VCC unit will move and require adjusting to the LH stop.
16. Rotate RH VCC unit using LRT-12-224 to 40 Nm (30 ft. lbs.) and using the multimeter, check continuity is present.
NOTE: Rotating the VCC unit using LRT-12-224 will remove the oil cushion and make sure the VCC unit is at the full LH stop position. Continuity should be present when the VCC unit reaches this position.
17. Tighten RH VCC unit Torx bolt to 110 Nm (81 ft. lbs.) and RH exhaust camshaft sprocket Torx bolt to 125 Nm (92 ft. lbs.).
NOTE: Thread is left handed.
18. Fit RH CMP sensor ring, fit and hand tighten securing nut.
NOTE: Thread is left handed.
19. Position LRT-12-228/1 locating dowel to RH CMP sensor ring, fit 2 bolts securing tool to RH cylinder head and tighten.
NOTE: To ensure correct CMP sensor ring adjustment, make sure the tool is aligned flush with the cylinder head and lower timing gear cover before tightening the tool securing bolts.
20. Tighten nut securing CMP sensor ring to 40 Nm (30 ft. lbs.) and remove LRT-12-228/1 from RH cylinder head.
NOTE: Thread is left handed.
21. Fit LH CMP sensor ring, fit and hand tighten securing nut.
NOTE: Thread is left handed.
22. Position LRT-12-228/2 locating dowel to LH CMP sensor ring, fit 2 bolts securing tool to RH cylinder head and tighten.
NOTE: To ensure correct CMP sensor ring adjustment, make sure the tool is aligned flush with the cylinder head and lower timing gear cover before tightening the tool securing bolts.
23. Tighten nut securing CMP sensor ring to 40 Nm (30 ft. lbs.) and remove LRT-12-228/2 from LH cylinder head.
NOTE: Thread is left handed.
24. Remove LRT-12-223/5, LRT-12-223/6, LRT-12-223/2 and LRT-12-223/1 from RH cylinder head camshafts.
25. Remove LRT-12-223/6, LRT-12-223/5, LRT-12-223/3 and LRT-12-223/4 from LH cylinder head camshafts.
26. Loosen LRT-12-222, remove 2 bolts securing LRT-12-221 to RH cylinder head and remove LRT-12-221.
27. Fit RH upper timing gear cover.
28. Fit LH upper timing gear cover.
29. Remove LRT-12-227 from timing tool access hole.
30. Fit 4 camshaft oil lines to LH and RH cylinder heads, fit and tighten 20 securing bolts.
31. Fit engine lifting eye to rear of RH cylinder head and fit 2 bolts securing engine lifting eye and tighten.
32. Fit and tighten 8 spark plugs to 31 Nm (23 ft. lbs.).
33. Fit RH camshaft cover.
34. Fit LH camshaft cover.
35. Fit fan cowl.
36. Fill cooling system.
37. Connect battery earth lead.